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#!/bin/sh
#
# alcasar-CA.sh
# by Franck BOUIJOUX, Pascal LEVANT and Richard REY
# This script is distributed under the Gnu General Public License (GPL)
#
# Some ideas from "nessus-mkcert" script written by Renaud Deraison <deraison@cvs.nessus.org>
# and Michel Arboi <arboi@alussinan.org>
#
DIR_TMP=${TMPDIR-/tmp}/alcasar-mkcert.$$
DIR_PKI=/etc/pki
DIR_CERT=$DIR_PKI/tls
DIR_WEB=/var/www/html
CACERT=$DIR_PKI/CA/alcasar-ca.crt
CAKEY=$DIR_PKI/CA/private/alcasar-ca.key
SRVCERT=$DIR_CERT/certs/alcasar.crt
SRVKEY=$DIR_CERT/private/alcasar.key
SRVREQ=$DIR_CERT/alcasar.req
FIC_PARAM="/root/ALCASAR-parameters.txt"
CACERT_LIFETIME="1460"
SRVCERT_LIFETIME="1460"
COUNTRY="FR"
PROVINCE="none"
LOCATION="Paris"
ORGANIZATION="ALCASAR-Team"
mkdir $DIR_TMP || exit 1
# dynamic conf file for openssl
cat <<EOF >$DIR_TMP/ssl.conf
RANDFILE = $HOME/.rnd
#
[ ca ]
default_ca = AlcasarCA
[ AlcasarCA ]
dir = $DIR_TMP # Where everything is kept
certs = \$dir # Where the issued certs are kept
crl_dir = \$dir # Where the issued crl are kept
database = \$dir/index.txt # database index file.
new_certs_dir = \$dir # default place for new certs.
certificate = $CACERT # The CA certificate
serial = \$dir/serial # The current serial number
crl = \$dir/crl.pem # The current CRL
private_key = $CAKEY # The private key
x509_extensions = usr_cert # The extentions to add to the cert
crl_extensions = crl_ext
default_days = 365 # how long to certify for
default_crl_days= 30 # how long before next CRL
default_md = md5 # which md to use.
preserve = no # keep passed DN ordering
policy = policy_anything
[ policy_anything ]
countryName = optional
stateOrProvinceName = optional
localityName = optional
organizationName = optional
organizationalUnitName = optional
commonName = supplied
emailAddress = optional
[ req ]
default_bits = 1024
distinguished_name = req_distinguished_name
# attributes = req_attributes
x509_extensions = v3_ca # The extentions to add to the self signed cert
[ req_distinguished_name ]
countryName = Country Name (2 letter code)
countryName_default = FR
countryName_min = 2
countryName_max = 2
stateOrProvinceName = State or Province Name (full name)
stateOrProvinceName_default = Some-State
localityName = Locality Name (eg, city)
localityName_default = Lyon
0.organizationName = Organization Name (eg, company)
0.organizationName_default = your organization name
# we can do this but it is not needed normally :-)
#1.organizationName = Second Organization Name (eg, company)
#1.organizationName_default = World Wide Web Pty Ltd
organizationalUnitName = Organizational Unit Name (eg, section)
#organizationalUnitName_default =
commonName = Common Name (eg, your name or your server\'s hostname)
commonName_max = 255
emailAddress = Email Address
emailAddress_max = 255
# SET-ex3 = SET extension number 3
[ usr_cert ]
# These extensions are added when 'ca' signs a request.
# This goes against PKIX guidelines but some CAs do it and some software
# requires this to avoid interpreting an end user certificate as a CA.
#basicConstraints=CA:FALSE
# Here are some examples of the usage of nsCertType. If it is omitted
# the certificate can be used for anything *except* object signing.
# This is OK for an SSL server.
# nsCertType = nsCertType
# For normal client use this is typical
# nsCertType = client, email
nsCertType = server
keyUsage = nonRepudiation, digitalSignature, keyEncipherment
# This will be displayed in Netscape's comment listbox.
nsComment = "OpenSSL Generated Certificate"
# PKIX recommendations harmless if included in all certificates.
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid,issuer:always
# This stuff is for subjectAltName and issuerAltname.
# Import the email address.
subjectAltName=email:copy
# Copy subject details
issuerAltName=issuer:copy
#nsCaRevocationUrl = http://www.domain.dom/ca-crl.pem
#nsBaseUrl
#nsRevocationUrl
#nsRenewalUrl
#nsCaPolicyUrl
#nsSslServerName
[ v3_ca ]
# PKIX recommendation.
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid:always,issuer:always
# This is what PKIX recommends but some broken software chokes on critical
# extensions.
basicConstraints = critical,CA:true
# So we do this instead.
#basicConstraints = CA:true
# Key usage: this is typical for a CA certificate. However since it will
# prevent it being used as an test self-signed certificate it is best
# left out by default.
keyUsage = cRLSign, keyCertSign
nsCertType = sslCA
EOF
hostname=`hostname`
if [ -z "$hostname" ];
then
echo "Impossible de déterminer le nom d'hôte !!!"
exit 1
fi
# The value for organizationalUnitName must be 64 chars or less;
# thus, hostname must be 36 chars or less. If it's too big,
# try removing domain (merci REXY ;-) ).
hostname_len=`echo $hostname| wc -c`
if [ $hostname_len -gt 36 ];
then
hostname=`echo $hostname | cut -d '.' -f 1`
fi
if [ ! -f /etc/sysconfig/network-scripts/ifcfg-eth1 ]
then
echo "Impossible de déterminer l'@-IP"
exit 1
fi
IPADDR=`cat /etc/sysconfig/network-scripts/ifcfg-eth1 |grep IPADDR|cut -d"=" -f2`
CAMAIL=ca@$hostname
SRVMAIL=apache@$hostname
echo 01 > $DIR_TMP/serial
touch $DIR_TMP/index.txt
# CA key
rm -f $CAKEY
echo "*********CAKEY*********" > $DIR_TMP/openssl-log
openssl genrsa -out $CAKEY 1024 2>> $DIR_TMP/openssl-log
# CA certificate
rm -f $CACERT
echo "*********CACERT*********" >> $DIR_TMP/openssl-log
echo "$COUNTRY
$PROVINCE
$LOCATION
$ORGANIZATION
Certification Authority for $hostname
ALCASAR-local-CA
$CAMAIL" |
openssl req -config $DIR_TMP/ssl.conf -new -x509 -days $CACERT_LIFETIME -key $CAKEY -out $CACERT 2>> $DIR_TMP/openssl-log
# Server key
rm -f $SRVKEY
echo "*********SRVKEY*********" >> $DIR_TMP/openssl-log
openssl genrsa -out $SRVKEY 1024 2>> $DIR_TMP/openssl-log
# Server certificate "request"
echo "*********SRVRQST*********" >> $DIR_TMP/openssl-log
echo "$COUNTRY
$PROVINCE
$LOCATION
$ORGANIZATION
Server certificate for $hostname
$IPADDR
$SRVMAIL" |
openssl req -config $DIR_TMP/ssl.conf -new -key $SRVKEY -out $SRVREQ 2>> $DIR_TMP/openssl-log
# Sign the server certificate "request" to create server certificate
rm -f $SRVCERT
echo "*********SRVCERT*********" >> $DIR_TMP/openssl-log
openssl ca -config $DIR_TMP/ssl.conf -name AlcasarCA -batch -days $SRVCERT_LIFETIME -in $SRVREQ -out $SRVCERT 2>> $DIR_TMP/openssl-log
rm -f $SRVREQ
chmod a+r $CACERT $SRVCERT
if [ -s "$CACERT" -a -s "$CAKEY" -a -s "$SRVCERT" -a -s "$SRVKEY" ];
then
echo "- Certificat de l'Authorité de Certification : " >> $FIC_PARAM
echo " Certificat = $CACERT" >> $FIC_PARAM
echo " Clée privée = $CAKEY" >> $FIC_PARAM
echo "- Certificat du serveur : " >> $FIC_PARAM
echo " Certificat = $SRVCERT" >> $FIC_PARAM
echo " Clée privée = $SRVKEY" >> $FIC_PARAM
[ -d $DIR_WEB/certs ] || mkdir -p $DIR_WEB/certs
rm -f $DIR_WEB/certs/*
ln -s $CACERT $DIR_WEB/certs/certificat_alcasar_ca.pem
ln -s $SRVCERT $DIR_WEB/certs/certificat_alcasar.pem
rm -rf $DIR_TMP
exit 0
else
echo "Problème lors de la création des certificats (cf. $DIR_TMP/openssl-log)" >> $FIC_PARAM
exit 1
fi