diff options
Diffstat (limited to 'src/op_mode/vpn_ike_sa.py')
| -rwxr-xr-x | src/op_mode/vpn_ike_sa.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/op_mode/vpn_ike_sa.py b/src/op_mode/vpn_ike_sa.py new file mode 100755 index 000000000..28da9f8dc --- /dev/null +++ b/src/op_mode/vpn_ike_sa.py @@ -0,0 +1,68 @@ +#!/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 argparse +import re +import vici + +ike_sa_peer_prefix = """\ +Peer ID / IP Local ID / IP +------------ -------------""" + +ike_sa_tunnel_prefix = """ + + State IKEVer Encrypt Hash D-H Group NAT-T A-Time L-Time + ----- ------ ------- ---- --------- ----- ------ ------""" + +def s(byte_string): + return str(byte_string, 'utf-8') + +def ike_sa(peer, nat): + session = vici.Session() + sas = session.list_sas() + peers = [] + for conn in sas: + for name, sa in conn.items(): + if peer and not name.startswith('peer-' + peer): + continue + if name.startswith('peer-') and name in peers: + continue + if nat and 'nat-local' not in sa: + continue + peers.append(name) + remote_str = f'{s(sa["remote-host"])} {s(sa["remote-id"])}' if s(sa['remote-id']) != '%any' else s(sa["remote-host"]) + local_str = f'{s(sa["local-host"])} {s(sa["local-id"])}' if s(sa['local-id']) != '%any' else s(sa["local-host"]) + print(ike_sa_peer_prefix) + print('%-39s %-39s' % (remote_str, local_str)) + state = 'up' if 'state' in sa and s(sa['state']) == 'ESTABLISHED' else 'down' + version = 'IKEv' + s(sa['version']) + encryption = f'{s(sa["encr-alg"])}_{s(sa["encr-keysize"])}' if 'encr-alg' in sa else 'n/a' + integrity = s(sa['integ-alg']) if 'integ-alg' in sa else 'n/a' + dh_group = s(sa['dh-group']) if 'dh-group' in sa else 'n/a' + natt = 'yes' if 'nat-local' in sa and s(sa['nat-local']) == 'yes' else 'no' + atime = s(sa['established']) if 'established' in sa else '0' + ltime = s(sa['rekey-time']) if 'rekey_time' in sa else '0' + print(ike_sa_tunnel_prefix) + print(' %-6s %-6s %-12s %-13s %-14s %-6s %-7s %-7s\n' % (state, version, encryption, integrity, dh_group, natt, atime, ltime)) + +if __name__ == '__main__': + parser = argparse.ArgumentParser() + parser.add_argument('--peer', help='Peer name', required=False) + parser.add_argument('--nat', help='NAT Traversal', required=False) + + args = parser.parse_args() + + ike_sa(args.peer, args.nat)
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