Generate a cnf file with patch from SWITCH to control cert content.

Add -e option to supply entityID and -f force option.

git-svn-id: https://svn.middleware.georgetown.edu/cpp-sp/trunk@2768 cb58f699-b61c-0410-a6fe-9272a202ed29

diff --git a/configs/keygen.sh b/configs/keygen.sh
index 451125d..df3b4c9 100755 (executable)
--- a/configs/keygen.sh
+++ b/configs/keygen.sh
@@ -1,19 +1,26 @@
 #! /bin/sh
 
-while getopts h:y:b c
+while getopts h:e:y:bf c
      do
          case $c in
            b)         BATCH=1;;
+           f)         FORCE=1;;
            h)         FQDN=$OPTARG;;
-           y)         DAYS=$OPTARG;;
-           \?)        echo keygen [-h hostname/cn for cert] [-y years to issue cert]
+           e)         ENTITYID=$OPTARG;;
+           y)         YEARS=$OPTARG;;
+           \?)        echo keygen [-h hostname for cert] [-y years to issue cert] [-e entityID to embed in cert]
                       exit 1;;
          esac
      done
 
+if [ -n $FORCE ] ; then
+    rm sp-key.pem sp-cert.pem
+fi
+
 if  [ -e sp-key.pem ] || [ -e sp-cert.pem ] ; then
     if [ -z $BATCH ] ; then  
         echo The files sp-key.pem and/or sp-cert.pem already exist!
+        echo Use -f option to force recreation of keypair.
         exit 2
     fi
     exit 0
@@ -23,14 +30,38 @@ if [ -z $FQDN ] ; then
     FQDN=`hostname`
 fi
 
-if [ -z $DAYS ] ; then
-    DAYS=10
+if [ -z $YEARS ] ; then
+    YEARS=10
+fi
+
+DAYS=$(($YEARS*365))
+
+if [ -z $ENTITYID ] ; then
+    ALTNAME=subjectAltName=DNS:$FQDN
+else
+    ALTNAME=subjectAltName=DNS:$FQDN,URI:$ENTITYID
 fi
 
-DAYS=$(($DAYS*365))
+cat >sp-cert.cnf <<EOF
+# OpenSSL configuration file for creating sp-cert.pem
+[req]
+prompt=no
+default_bits=2048
+encrypt_key=no
+default_md=sha1
+distinguished_name=dn
+# PrintableStrings only
+string_mask=MASK:0002
+x509_extensions=ext
+[dn]
+CN=$FQDN
+[ext]
+subjectAltName=$ALTNAME
+subjectKeyIdentifier=hash
+EOF
 
 if [ -z $BATCH ] ; then
-    openssl req -x509 -days $DAYS -newkey rsa:2048 -nodes -keyout sp-key.pem -out sp-cert.pem -subj /CN=$FQDN -extensions usr_cert -set_serial 0
+    openssl req -config sp-cert.cnf -new -x509 -days $DAYS -keyout sp-key.pem -out sp-cert.pem
 else
-    openssl req -x509 -days $DAYS -newkey rsa:2048 -nodes -keyout sp-key.pem -out sp-cert.pem -subj /CN=$FQDN -extensions usr_cert -set_serial 0 2> /dev/null
+    openssl req -config sp-cert.cnf -new -x509 -days $DAYS -keyout sp-key.pem -out sp-cert.pem 2> /dev/null
 fi