New roles for smartcard server and client setup

There are new smartcard roles in the roles folder:

    roles/ipasmartcard_server
    roles/ipasmartcard_client

This roles allows to setup smartcard for servers and clients.

Here is the documentation for the roles:

    roles/ipasmartcard_server/README.md
    roles/ipasmartcard_client/README.md

New example playbooks have been added:

    playbooks/install-smartcard-server.yml
    playbooks/install-smartcard-replicas.yml
    playbooks/install-smartcard-servers.yml
    playbooks/install-smartcard-clients.yml

roles/ipasmartcard_server/files/ipasmartcard_server_enable_ocsp_directive.sh

@@ -0,0 +1,35 @@
+#!/bin/bash -eu
+
+# Authors:
+#   Thomas Woerner <twoerner@redhat.com>
+#
+# Copyright (C) 2022  Red Hat
+# see file 'COPYING' for use and warranty information
+#
+# 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/>.
+
+directive=$1
+conf_file=$2
+
+if [ -z "${directive}" ] || [ -z "${conf_file}" ]; then
+    echo "Usage: $0 <directive> <config file>"
+    exit 1
+fi
+
+if grep -q "${directive} " "${conf_file}"
+then
+    sed -i.ipabkp -r "s/^#*[[:space:]]*${directive}[[:space:]]+(on|off)$/${directive} on/" "${conf_file}"
+else
+    sed -i.ipabkp "/<\/VirtualHost>/i ${directive} on" "${conf_file}"
+fi