OpenSSL/CA.sh

CA.sh[edit]

#!/bin/sh
#
# CA - wrapper around ca to make it easier to use ... basically ca requires
#      some setup stuff to be done before you can use it and this makes
#      things easier between now and when Eric is convinced to fix it :-)
#
# CA -newca ... will setup the right stuff
# CA -newreq ... will generate a certificate request
# CA -sign ... will sign the generated request and output
#
# At the end of that grab newreq.pem and newcert.pem (one has the key
# and the other the certificate) and cat them together and that is what
# you want/need ... I'll make even this a little cleaner later.
#
#
# 12-Jan-96 tjh    Added more things ... including CA -signcert which
#                  converts a certificate to a request and then signs it.
# 10-Jan-96 eay    Fixed a few more bugs and added the SSLEAY_CONFIG
#                  environment variable so this can be driven from
#                  a script.
# 25-Jul-96 eay    Cleaned up filenames some more.
# 11-Jun-96 eay    Fixed a few filename missmatches.
# 03-May-96 eay    Modified to use 'ssleay cmd' instead of 'cmd'.
# 18-Apr-96 tjh    Original hacking
#
# Tim Hudson
# tjh@cryptsoft.com
#

# default openssl.cnf file has setup as per the following
# demoCA ... where everything is stored

DAYS="-days 4380"
REQ="/usr/bin/openssl req $SSLEAY_CONFIG"
CA="/usr/bin/openssl ca $SSLEAY_CONFIG"
VERIFY="openssl verify"
X509="openssl x509"

CATOP=./demoCA
CAKEY=./cakey.pem
CACERT=./cacert.pem

for i
do
case $i in
-\?|-h|-help)
   echo "usage: CA -newcert|-newreq|-newca|-sign|-verify" >&2
   exit 0
   ;;
-newcert)
   # create a certificate
   $REQ -new -x509 -keyout newreq.pem -out newreq.pem $DAYS
   RET=$?
   echo "Certificate (and private key) is in newreq.pem"
   ;;
-newreq)
   # create a certificate request
   $REQ -new -keyout newreq.pem -out newreq.pem $DAYS
   RET=$?
   echo "Request (and private key) is in newreq.pem"
   ;;
-newca)
   # if explicitly asked for or it doesn't exist then setup the directory
   # structure that Eric likes to manage things
   NEW="1"
   if [ "$NEW" -o ! -f ${CATOP}/serial ]; then
       # create the directory hierarchy
       mkdir ${CATOP}
       mkdir ${CATOP}/certs
       mkdir ${CATOP}/crl
       mkdir ${CATOP}/newcerts
       mkdir ${CATOP}/private
       echo "01" > ${CATOP}/serial
       touch ${CATOP}/index.txt
   fi
   if [ ! -f ${CATOP}/private/$CAKEY ]; then
       echo "CA certificate filename (or enter to create)"
       read FILE

       # ask user for existing CA certificate
       if [ "$FILE" ]; then
           cp $FILE ${CATOP}/private/$CAKEY
           RET=$?
       else
           echo "Making CA certificate ..."
           $REQ -new -x509 -keyout ${CATOP}/private/$CAKEY \
                          -out ${CATOP}/$CACERT $DAYS
           RET=$?
       fi
   fi
   ;;
-xsign)
   $CA -policy policy_anything -infiles newreq.pem
   RET=$?
   ;;
-sign|-signreq)
   $CA -policy policy_anything -out newcert.pem -infiles newreq.pem
   RET=$?
   cat newcert.pem
   echo "Signed certificate is in newcert.pem"
   ;;
-signcert)
   echo "Cert passphrase will be requested twice - bug?"
   $X509 -x509toreq -in newreq.pem -signkey newreq.pem -out tmp.pem
   $CA -policy policy_anything -out newcert.pem -infiles tmp.pem
   cat newcert.pem
   echo "Signed certificate is in newcert.pem"
   ;;
-verify)
   shift
   if [ -z "$1" ]; then
           $VERIFY -CAfile $CATOP/$CACERT newcert.pem
           RET=$?
   else
       for j
       do
           $VERIFY -CAfile $CATOP/$CACERT $j
           if [ $? != 0 ]; then
                   RET=$?
           fi
       done
   fi
   exit 0
   ;;
*)
   echo "Unknown arg $i";
   exit 1
   ;;
esac
done
exit $RET

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