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samba-mirror/source4/scripting/bin/ktpass.sh
Matthieu Patou 24477cacc9 ktpass: also use userPrincipalName for locating the principal
Autobuild-User: Matthieu Patou <mat@samba.org>
Autobuild-Date: Fri Nov 12 20:24:23 UTC 2010 on sn-devel-104
2010-11-12 20:24:23 +00:00

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#!/usr/bin/env bash
# vim: expandtab
#
# Copyright (C) Matthieu Patou <mat@matws.net> 2010
#
#
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
name="ktpass.sh"
TEMP=`getopt -o h --long princ:,pass:,out:,host:,ptype:,enc:,path-to-ldbsearch: \
-n "$name" -- "$@"`
eval set -- "$TEMP"
function usage {
echo -ne "$name --out <keytabfile> --princ <principal> --pass <password>|*\n"
echo -ne " [--host hostname] [--enc <encryption>]\n"
echo -ne " [--ptype <type>] [--path-to-ldbsearch <path>]\n"
echo -ne "\nEncoding should be one of:\n"
echo -ne " * des-cbc-crc\n"
echo -ne " * des-cbc-md5\n"
echo -ne " * rc4-hmac (default)\n"
echo -ne " * aes128-cts\n"
echo -ne " * aes256-cts\n"
exit 0
}
while true ; do
case "$1" in
--out) outfile=$2 ; shift 2 ;;
--princ) princ=$2 ; shift 2 ;;
--pass) pass=$2 ; shift 2 ;;
--host) host=$2 ; shift 2 ;;
--ptype) shift 2 ;;
--enc) enc=$2; shift 2;;
--path-to-ldbsearch) path="$2/"; shift 2;;
-h) usage;;
--) shift ; break ;;
*) echo "Internal error!" ; exit 1 ;;
esac
done
#RC4-HMAC-NT|AES256-SHA1|AES128-SHA
if [ -z "$enc" ]; then
enc="rc4-hmac"
fi
if [ -z "$path" ]; then
path=`dirname $0`/../bin/
if [ ! -f ${path}ldbsearch ]; then
path=`dirname $0`/../../bin/
fi
fi
if [ -z "$outfile" -o -z "$princ" -o -z "$pass" ]; then
echo "At least one mandatory parameter (--out, --princ, --pass) was not specified"
usage
fi
if [ -z $host ]; then
host=`hostname`
fi
kvno=`${path}ldbsearch -H ldap://$host "(|(samaccountname=$princ)(serviceprincipalname=$princ)(userprincipalname=$princ))" msds-keyversionnumber -k 1 -N 2>/dev/null| grep -i msds-keyversionnumber`
if [ "$kvno" == "" ]; then
echo -ne "Unable to find kvno for principal $princ\n"
echo -ne " check that you are authentified with kerberos\n"
exit 1
else
kvno=`echo $kvno | sed 's/^.*: //'`
fi
if [ "$pass" == "*" ]; then
echo -n "Enter password for $princ: "
stty -echo
read pass
stty echo
echo ""
fi
ktutil >/dev/null <<EOF
add_entry -password -p $princ -k $kvno -e $enc
$pass
wkt $outfile
EOF
if [ $? -eq 0 ]; then
echo "Keytab file $outfile created with success"
else
echo "Error while creating the keytab file $outfile"
fi