1 files changed, 119 insertions, 0 deletions
diff --git a/src/op_mode/vpn_ipsec.py b/src/op_mode/vpn_ipsec.py
new file mode 100755
index 000000000..06e227ccf
--- /dev/null
+++ b/src/op_mode/vpn_ipsec.py
@@ -0,0 +1,119 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021 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 re
+import argparse
+from subprocess import TimeoutExpired
+
+from vyos.util import call
+
+SWANCTL_CONF = '/etc/swanctl/swanctl.conf'
+
+def get_peer_connections(peer, tunnel, return_all = False):
+    search = rf'^[\s]*(peer_{peer}_(tunnel_[\d]+|vti)).*'
+    matches = []
+    with open(SWANCTL_CONF, 'r') as f:
+        for line in f.readlines():
+            result = re.match(search, line)
+            if result:
+                suffix = f'tunnel_{tunnel}' if tunnel.isnumeric() else tunnel
+                if return_all or (result[2] == suffix):
+                    matches.append(result[1])
+    return matches
+
+def reset_peer(peer, tunnel):
+    if not peer:
+        print('Invalid peer, aborting')
+        return
+
+    conns = get_peer_connections(peer, tunnel, return_all = (not tunnel or tunnel == 'all'))
+
+    if not conns:
+        print('Tunnel(s) not found, aborting')
+        return
+
+    result = True
+    for conn in conns:
+        try:
+            call(f'sudo /usr/sbin/ipsec down {conn}', timeout = 10)
+            call(f'sudo /usr/sbin/ipsec up {conn}', timeout = 10)
+        except TimeoutExpired as e:
+            print(f'Timed out while resetting {conn}')
+            result = False
+
+
+    print('Peer reset result: ' + ('success' if result else 'failed'))
+
+def get_profile_connection(profile, tunnel = None):
+    search = rf'(dmvpn-{profile}-[\w]+)' if tunnel == 'all' else rf'(dmvpn-{profile}-{tunnel})'
+    with open(SWANCTL_CONF, 'r') as f:
+        for line in f.readlines():
+            result = re.search(search, line)
+            if result:
+                return result[1]
+    return None
+
+def reset_profile(profile, tunnel):
+    if not profile:
+        print('Invalid profile, aborting')
+        return
+
+    if not tunnel:
+        print('Invalid tunnel, aborting')
+        return
+
+    conn = get_profile_connection(profile)
+
+    if not conn:
+        print('Profile not found, aborting')
+        return
+
+    call(f'sudo /usr/sbin/ipsec down {conn}')
+    result = call(f'sudo /usr/sbin/ipsec up {conn}')
+
+    print('Profile reset result: ' + ('success' if result == 0 else 'failed'))
+
+def debug_peer(peer, tunnel):
+    if not peer or peer == "all":
+        call('sudo /usr/sbin/ipsec statusall')
+        return
+
+    if not tunnel or tunnel == 'all':
+        tunnel = ''
+
+    conn = get_peer_connections(peer, tunnel)
+
+    if not conns:
+        print('Peer not found, aborting')
+        return
+
+    for conn in conns:
+        call(f'sudo /usr/sbin/ipsec statusall | grep {conn}')
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--action', help='Control action', required=True)
+    parser.add_argument('--name', help='Name for peer reset', required=False)
+    parser.add_argument('--tunnel', help='Specific tunnel of peer', required=False)
+
+    args = parser.parse_args()
+
+    if args.action == 'reset-peer':
+        reset_peer(args.name, args.tunnel)
+    elif args.action == "reset-profile":
+        reset_profile(args.name, args.tunnel)
+    elif args.action == "vpn-debug":
+        debug_peer(args.name, args.tunnel)