T71: initial implementation of global IPsec settings.

Only disable-route-autoinstall (install_routes = yes/no) for now.

1 files changed, 67 insertions, 0 deletions

diff --git a/src/conf_mode/ipsec-settings.py b/src/conf_mode/ipsec-settings.py
new file mode 100755
index 000000000..481e083d6
--- /dev/null
+++ b/src/conf_mode/ipsec-settings.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2018 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# 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/>.
+#
+#
+
+import os
+import jinja2
+
+import vyos.config
+import vyos.defaults
+
+from vyos import ConfigError
+
+charon_conf_file = "/etc/strongswan.d/charon.conf"
+
+
+def get_config():
+    config = vyos.config.Config()
+    data = {"install_routes": "yes"}
+
+    if config.exists("vpn ipsec settings disable-route-autoinstall"):
+        data["install_routes"] = "no"
+
+    return data
+
+def verify(data):
+    pass
+
+def generate(data):
+    tmpl_path = os.path.join(vyos.defaults.directories["data"], "templates", "ipsec")
+    fs_loader = jinja2.FileSystemLoader(tmpl_path)
+    env = jinja2.Environment(loader=fs_loader)
+
+
+    charon_conf_tmpl = env.get_template("charon.tmpl")
+    charon_conf = charon_conf_tmpl.render(data)
+
+    with open(charon_conf_file, 'w') as f:
+        f.write(charon_conf)
+
+def apply(data):
+    # Do nothing
+    # StrongSWAN should only be restarted when actual tunnels are configured
+    pass
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        sys.exit(1)