Subversion Repositories ALCASAR

#!/bin/sh

# $Id: alcasar-CA.sh 2924 2021-02-23 21:42:48Z rexy $

# alcasar-CA.sh

# by Franck BOUIJOUX (3abtux), Pascal LEVANT and Richard REY (Rexy)

# 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

SRVREQ=$DIR_CERT/alcasar.req

SRVKEY=$DIR_CERT/private/alcasar.key

SRVCERT=$DIR_CERT/certs/alcasar.crt

SRVPEM=$DIR_CERT/private/alcasar.pem

SRVCHAIN=$DIR_CERT/certs/server-chain.pem

CONF_FILE="/usr/local/etc/alcasar.conf"

hostname=`grep ^HOSTNAME= $CONF_FILE|cut -d"=" -f2`

domain=`grep ^DOMAIN= $CONF_FILE|cut -d"=" -f2`

domain=${domain:=localdomain}

fqdn_hostname="$hostname.$domain"

# 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 $fqdn_hostname| wc -c`

if [ $hostname_len -gt 36 ];

then

	fqdn_hostname=$hostname

fi

private_ip=`grep ^PRIVATE_IP= $CONF_FILE|cut -d"=" -f2|cut -d"/" -f1`

CACERT_LIFETIME="1460"

SRVCERT_LIFETIME="1460"

COUNTRY="FR"

PROVINCE="none"

LOCATION="Paris"

ORGANIZATION="ALCASAR-Team"

mkdir $DIR_TMP || exit 1

[ -d $DIR_PKI/CA/private ] || mkdir -p $DIR_PKI/CA/private ; chown -R root:root $DIR_PKI/CA ; chmod -R 750 $DIR_PKI/CA

# 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	= sha256		# which message digest 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		= 2048

distinguished_name	= req_distinguished_name

# attributes		= req_attributes

x509_extensions		= v3_ca		# The extentions to add to the self signed cert

[ v3_ca ]

subjectKeyIdentifier	= hash

authorityKeyIdentifier	= keyid:always,issuer:always

basicConstraints	= critical,CA:true

keyUsage		= cRLSign, keyCertSign

nsCertType		= sslCA

[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

organizationalUnitName		= Organizational Unit Name (eg, section)

commonName			= Common Name (eg, your name or your server\'s hostname)

commonName_max			= 255

emailAddress			= Email Address

emailAddress_max		= 255

[usr_cert]

nsCertType			= server

subjectKeyIdentifier		= hash

authorityKeyIdentifier		= keyid,issuer

basicConstraints		= CA:FALSE

keyUsage			= digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment

issuerAltName			= issuer:copy

subjectAltName			= @alt_names

[alt_names]

DNS.1				= $fqdn_hostname

IP.1				= $private_ip

EOF

CAMAIL=

SRVMAIL=

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 2048 2>> $DIR_TMP/openssl-log

# CA certificate

rm -f $CACERT

echo >> $DIR_TMP/openssl-log

echo "*********CACERT*********" >> $DIR_TMP/openssl-log

echo "$COUNTRY

$PROVINCE

$LOCATION

$ORGANIZATION

Certification Authority for $fqdn_hostname

$fqdn_hostname-local-CA

$CAMAIL" | 

openssl req -config $DIR_TMP/ssl.conf -new -x509 -sha256 -days $CACERT_LIFETIME -key $CAKEY -out $CACERT 2>> $DIR_TMP/openssl-log

# Server key

rm -f $SRVKEY	

echo >> $DIR_TMP/openssl-log

echo "*********SRVKEY*********" >> $DIR_TMP/openssl-log

openssl genrsa -out $SRVKEY 2048 2>> $DIR_TMP/openssl-log

# Server certificate "request"

echo >> $DIR_TMP/openssl-log

echo "*********SRVRQST*********" >> $DIR_TMP/openssl-log

echo "$COUNTRY

$PROVINCE

$LOCATION

$ORGANIZATION

Server certificate for $fqdn_hostname

$fqdn_hostname

$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 >> $DIR_TMP/openssl-log

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

(cat $SRVKEY; echo; cat $SRVCERT) > $SRVPEM

cp -f $CACERT $SRVCHAIN

# Limit rights

chown -R root:root $SRVKEY $CAKEY

chmod -R 0600 $SRVKEY $CAKEY

# Link certs in ALCASAR Control Center

if [ -s "$CACERT" -a -s "$CAKEY" -a -s "$SRVCERT" -a -s "$SRVKEY" ];

	then

	[ -d $DIR_WEB/certs ] || mkdir -p $DIR_WEB/certs

	rm -f $DIR_WEB/certs/*

	ln -s $CACERT $DIR_WEB/certs/certificat_alcasar_ca.crt

	ln -s $SRVCERT $DIR_WEB/certs/certificat_alcasar.crt

	rm -rf $DIR_TMP

	exit 0

else

	echo "An error occured when generating security certificates (see : $DIR_TMP/openssl-log)" 

	exit 1

fi