Add back script to create a self-signed SSL certificate.

scripts/create_cert.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2020 GNS3 Technologies Inc.
+#
+# 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/>.
+
+# Bash shell script for generating self-signed certs.
+# The certificate is automatically put in your GNS3 config
+
+DST_DIR="$HOME/.config/GNS3/ssl"
+OLD_DIR=`pwd`
+
+fail_if_error() {
+  [ $1 != 0 ] && {
+    unset PASSPHRASE
+    cd $OLD_DIR
+    exit 10
+  }
+}
+
+
+mkdir -p $DST_DIR
+fail_if_error $?
+cd $DST_DIR
+
+SUBJ="/C=US/ST=Texas/O=GNS3SELF/localityName=Austin/commonName=localhost/organizationalUnitName=GNS3Server/emailAddress=gns3cert@gns3.com"
+
+openssl req -nodes -new -x509 -keyout server.key -out server.cert -subj "$SUBJ"