|
| 1 | +#! /bin/sh |
| 2 | + |
| 3 | +# Defaults added for Debian. They can still be overridden by command-line |
| 4 | +# options. |
| 5 | +OUT=/etc/shibboleth |
| 6 | +USER=_shibd |
| 7 | +GROUP=_shibd |
| 8 | + |
| 9 | +while getopts n:h:u:g:o:e:y:bf c |
| 10 | + do |
| 11 | + case $c in |
| 12 | + u) USER=$OPTARG;; |
| 13 | + g) GROUP=$OPTARG;; |
| 14 | + o) OUT=$OPTARG;; |
| 15 | + b) BATCH=1;; |
| 16 | + f) FORCE=1;; |
| 17 | + h) FQDN=$OPTARG;; |
| 18 | + e) ENTITYID=$OPTARG;; |
| 19 | + y) YEARS=$OPTARG;; |
| 20 | + n) PREFIX=$OPTARG;; |
| 21 | + \?) echo "keygen [-o output directory (default .)] [-u username to own keypair] [-g owning groupname] [-h hostname for cert] [-y years to issue cert] [-e entityID to embed in cert] [-n filename prefix (default 'sp')]" |
| 22 | + exit 1;; |
| 23 | + esac |
| 24 | + done |
| 25 | + |
| 26 | +if [ -z "$OUT" ] ; then |
| 27 | + OUT=. |
| 28 | +fi |
| 29 | + |
| 30 | +if [ -z "$PREFIX" ]; then |
| 31 | + PREFIX="sp" |
| 32 | +fi |
| 33 | + |
| 34 | +if [ -n "$FORCE" ] ; then |
| 35 | + rm $OUT/${PREFIX}-key.pem $OUT/${PREFIX}-cert.pem |
| 36 | +fi |
| 37 | + |
| 38 | +if [ -s $OUT/${PREFIX}-key.pem -o -s $OUT/${PREFIX}-cert.pem ] ; then |
| 39 | + if [ -z "$BATCH" ] ; then |
| 40 | + echo The files $OUT/${PREFIX}-key.pem and/or $OUT/${PREFIX}-cert.pem already exist! |
| 41 | + echo Use -f option to force recreation of keypair. |
| 42 | + exit 2 |
| 43 | + fi |
| 44 | + exit 0 |
| 45 | +fi |
| 46 | + |
| 47 | +# --fqdn flag added for Debian to generate better names for certificates. |
| 48 | +if [ -z "$FQDN" ] ; then |
| 49 | + FQDN=`hostname --fqdn || hostname -f` |
| 50 | +fi |
| 51 | + |
| 52 | +if [ -z "$YEARS" ] ; then |
| 53 | + YEARS=10 |
| 54 | +fi |
| 55 | + |
| 56 | +DAYS=`expr $YEARS \* 365` |
| 57 | + |
| 58 | +if [ -z "$ENTITYID" ] ; then |
| 59 | + ALTNAME=DNS:$FQDN |
| 60 | +else |
| 61 | + ALTNAME=DNS:$FQDN,URI:$ENTITYID |
| 62 | +fi |
| 63 | + |
| 64 | +SSLCNF=$OUT/${PREFIX}-cert.cnf |
| 65 | +cat >$SSLCNF <<EOF |
| 66 | +# OpenSSL configuration file for creating keypair |
| 67 | +[req] |
| 68 | +prompt=no |
| 69 | +default_bits=3072 |
| 70 | +encrypt_key=no |
| 71 | +default_md=sha256 |
| 72 | +distinguished_name=dn |
| 73 | +# PrintableStrings only |
| 74 | +string_mask=MASK:0002 |
| 75 | +x509_extensions=ext |
| 76 | +[dn] |
| 77 | +CN=$FQDN |
| 78 | +[ext] |
| 79 | +subjectAltName=$ALTNAME |
| 80 | +subjectKeyIdentifier=hash |
| 81 | +EOF |
| 82 | + |
| 83 | +touch $OUT/${PREFIX}-key.pem |
| 84 | +chmod 600 $OUT/${PREFIX}-key.pem |
| 85 | +if [ -z "$BATCH" ] ; then |
| 86 | + openssl req -config $SSLCNF -new -x509 -days $DAYS -keyout $OUT/${PREFIX}-key.pem -out $OUT/${PREFIX}-cert.pem |
| 87 | +else |
| 88 | + openssl req -config $SSLCNF -new -x509 -days $DAYS -keyout $OUT/${PREFIX}-key.pem -out $OUT/${PREFIX}-cert.pem 2> /dev/null |
| 89 | +fi |
| 90 | +rm $SSLCNF |
| 91 | + |
| 92 | +#if [ -s $OUT/${PREFIX}-key.pem -a -n "$USER" ] ; then |
| 93 | +# chown $USER $OUT/${PREFIX}-key.pem $OUT/${PREFIX}-cert.pem |
| 94 | +#fi |
| 95 | + |
| 96 | +#if [ -s $OUT/${PREFIX}-key.pem -a -n "$GROUP" ] ; then |
| 97 | +# chgrp $GROUP $OUT/${PREFIX}-key.pem $OUT/${PREFIX}-cert.pem |
| 98 | +#fi |
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