#!/bin/sh

digest='-md5'
reqcmd="../apps/openssl req"
x509cmd="../apps/openssl x509 $digest"
verifycmd="../apps/openssl verify"
dummycnf="../apps/openssl.cnf"

CAkey="keyCA.ss"
CAcert="certCA.ss"
CAreq="reqCA.ss"
CAconf="CAss.cnf"
CAreq2="req2CA.ss"	# temp

Uconf="Uss.cnf"
Ukey="keyU.ss"
Ureq="reqU.ss"
Ucert="certU.ss"

echo
echo "make a certificate request using 'req'"

echo "string to make the random number generator think it has entropy" >> ./.rnd

if ../apps/openssl no-rsa; then
  req_new='-newkey dsa:../apps/dsa512.pem'
else
  req_new='-new'
fi

$reqcmd -config $CAconf -out $CAreq -keyout $CAkey $req_new #>err.ss
if [ $? != 0 ]; then
	echo "error using 'req' to generate a certificate request"
	exit 1
fi
echo
echo "convert the certificate request into a self signed certificate using 'x509'"
$x509cmd -CAcreateserial -in $CAreq -days 30 -req -out $CAcert -signkey $CAkey >err.ss
if [ $? != 0 ]; then
	echo "error using 'x509' to self sign a certificate request"
	exit 1
fi

echo
echo "convert a certificate into a certificate request using 'x509'"
$x509cmd -in $CAcert -x509toreq -signkey $CAkey -out $CAreq2 >err.ss
if [ $? != 0 ]; then
	echo "error using 'x509' convert a certificate to a certificate request"
	exit 1
fi

$reqcmd -config $dummycnf -verify -in $CAreq -noout
if [ $? != 0 ]; then
	echo first generated request is invalid
	exit 1
fi

$reqcmd -config $dummycnf -verify -in $CAreq2 -noout
if [ $? != 0 ]; then
	echo second generated request is invalid
	exit 1
fi

$verifycmd -CAfile $CAcert $CAcert
if [ $? != 0 ]; then
	echo first generated cert is invalid
	exit 1
fi

echo
echo "make another certificate request using 'req'"
$reqcmd -config $Uconf -out $Ureq -keyout $Ukey $req_new >err.ss
if [ $? != 0 ]; then
	echo "error using 'req' to generate a certificate request"
	exit 1
fi

echo
echo "sign certificate request with the just created CA via 'x509'"
$x509cmd -CAcreateserial -in $Ureq -days 30 -req -out $Ucert -CA $CAcert -CAkey $CAkey >err.ss
if [ $? != 0 ]; then
	echo "error using 'x509' to sign a certificate request"
	exit 1
fi

$verifycmd -CAfile $CAcert $Ucert
echo
echo "Certificate details"
$x509cmd -subject -issuer -startdate -enddate -noout -in $Ucert

echo
echo The generated CA certificate is $CAcert
echo The generated CA private key is $CAkey

echo The generated user certificate is $Ucert
echo The generated user private key is $Ukey

/bin/rm err.ss
exit 0