diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/op_mode/show_ipsec_sa.py | 186 |
1 files changed, 92 insertions, 94 deletions
diff --git a/src/op_mode/show_ipsec_sa.py b/src/op_mode/show_ipsec_sa.py index e72f0f965..5b8f00dba 100755 --- a/src/op_mode/show_ipsec_sa.py +++ b/src/op_mode/show_ipsec_sa.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2019 VyOS maintainers and contributors +# Copyright (C) 2022 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 @@ -14,119 +14,117 @@ # 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 sys +from re import split as re_split +from sys import exit -import vici -import tabulate -import hurry.filesize +from hurry import filesize +from tabulate import tabulate +from vici import Session as vici_session + +from vyos.util import seconds_to_human -import vyos.util def convert(text): return int(text) if text.isdigit() else text.lower() + def alphanum_key(key): - return [convert(c) for c in re.split('([0-9]+)', str(key))] + return [convert(c) for c in re_split('([0-9]+)', str(key))] -def format_output(conns, sas): + +def format_output(sas): sa_data = [] - for peer, parent_conn in conns.items(): - if peer not in sas: - continue - - parent_sa = sas[peer] - child_sas = parent_sa['child-sas'] - installed_sas = {v['name'].decode(): v for k, v in child_sas.items() if v["state"] == b"INSTALLED"} - - # parent_sa["state"] = IKE state, child_sas["state"] = ESP state - state = 'down' - uptime = 'N/A' - - if parent_sa["state"] == b"ESTABLISHED" and installed_sas: - state = "up" - - remote_host = parent_sa["remote-host"].decode() - remote_id = parent_sa["remote-id"].decode() - - if remote_host == remote_id: - remote_id = "N/A" - - # The counters can only be obtained from the child SAs - for child_conn in parent_conn['children']: - if child_conn not in installed_sas: - data = [child_conn, "down", "N/A", "N/A", "N/A", "N/A", "N/A", "N/A"] - sa_data.append(data) - continue - - isa = installed_sas[child_conn] - csa_name = isa['name'] - csa_name = csa_name.decode() - - bytes_in = hurry.filesize.size(int(isa["bytes-in"].decode())) - bytes_out = hurry.filesize.size(int(isa["bytes-out"].decode())) - bytes_str = "{0}/{1}".format(bytes_in, bytes_out) - - pkts_in = hurry.filesize.size(int(isa["packets-in"].decode()), system=hurry.filesize.si) - pkts_out = hurry.filesize.size(int(isa["packets-out"].decode()), system=hurry.filesize.si) - pkts_str = "{0}/{1}".format(pkts_in, pkts_out) - # Remove B from <1K values - pkts_str = re.sub(r'B', r'', pkts_str) - - uptime = vyos.util.seconds_to_human(isa['install-time'].decode()) - - enc = isa["encr-alg"].decode() - if "encr-keysize" in isa: - key_size = isa["encr-keysize"].decode() - else: - key_size = "" - if "integ-alg" in isa: - hash = isa["integ-alg"].decode() - else: - hash = "" - if "dh-group" in isa: - dh_group = isa["dh-group"].decode() - else: - dh_group = "" - - proposal = enc - if key_size: - proposal = "{0}_{1}".format(proposal, key_size) - if hash: - proposal = "{0}/{1}".format(proposal, hash) - if dh_group: - proposal = "{0}/{1}".format(proposal, dh_group) - - data = [csa_name, state, uptime, bytes_str, pkts_str, remote_host, remote_id, proposal] - sa_data.append(data) + for sa in sas: + for parent_sa in sa.values(): + # create an item for each child-sa + for child_sa in parent_sa.get('child-sas', {}).values(): + # prepare a list for output data + sa_out_name = sa_out_state = sa_out_uptime = sa_out_bytes = sa_out_packets = sa_out_remote_addr = sa_out_remote_id = sa_out_proposal = 'N/A' + + # collect raw data + sa_name = child_sa.get('name') + sa_state = child_sa.get('state') + sa_uptime = child_sa.get('install-time') + sa_bytes_in = child_sa.get('bytes-in') + sa_bytes_out = child_sa.get('bytes-out') + sa_packets_in = child_sa.get('packets-in') + sa_packets_out = child_sa.get('packets-out') + sa_remote_addr = parent_sa.get('remote-host') + sa_remote_id = parent_sa.get('remote-id') + sa_proposal_encr_alg = child_sa.get('encr-alg') + sa_proposal_integ_alg = child_sa.get('integ-alg') + sa_proposal_encr_keysize = child_sa.get('encr-keysize') + sa_proposal_dh_group = child_sa.get('dh-group') + + # format data to display + if sa_name: + sa_out_name = sa_name.decode() + if sa_state: + if sa_state == b'INSTALLED': + sa_out_state = 'up' + else: + sa_out_state = 'down' + if sa_uptime: + sa_out_uptime = seconds_to_human(sa_uptime.decode()) + if sa_bytes_in and sa_bytes_out: + bytes_in = filesize.size(int(sa_bytes_in.decode())) + bytes_out = filesize.size(int(sa_bytes_out.decode())) + sa_out_bytes = f'{bytes_in}/{bytes_out}' + if sa_packets_in and sa_packets_out: + packets_in = filesize.size(int(sa_packets_in.decode()), + system=filesize.si) + packets_out = filesize.size(int(sa_packets_out.decode()), + system=filesize.si) + sa_out_packets = f'{packets_in}/{packets_out}' + if sa_remote_addr: + sa_out_remote_addr = sa_remote_addr.decode() + if sa_remote_id: + sa_out_remote_id = sa_remote_id.decode() + # format proposal + if sa_proposal_encr_alg: + sa_out_proposal = sa_proposal_encr_alg.decode() + if sa_proposal_encr_keysize: + sa_proposal_encr_keysize_str = sa_proposal_encr_keysize.decode() + sa_out_proposal = f'{sa_out_proposal}_{sa_proposal_encr_keysize_str}' + if sa_proposal_integ_alg: + sa_proposal_integ_alg_str = sa_proposal_integ_alg.decode() + sa_out_proposal = f'{sa_out_proposal}/{sa_proposal_integ_alg_str}' + if sa_proposal_dh_group: + sa_proposal_dh_group_str = sa_proposal_dh_group.decode() + sa_out_proposal = f'{sa_out_proposal}/{sa_proposal_dh_group_str}' + + # add a new item to output data + sa_data.append([ + sa_out_name, sa_out_state, sa_out_uptime, sa_out_bytes, + sa_out_packets, sa_out_remote_addr, sa_out_remote_id, + sa_out_proposal + ]) + + # return output data return sa_data + if __name__ == '__main__': try: - session = vici.Session() - conns = {} - sas = {} + session = vici_session() + sas = list(session.list_sas()) - for conn in session.list_conns(): - for key in conn: - conns[key] = conn[key] - - for sa in session.list_sas(): - for key in sa: - sas[key] = sa[key] - - headers = ["Connection", "State", "Uptime", "Bytes In/Out", "Packets In/Out", "Remote address", "Remote ID", "Proposal"] - sa_data = format_output(conns, sas) + sa_data = format_output(sas) sa_data = sorted(sa_data, key=alphanum_key) - output = tabulate.tabulate(sa_data, headers) + + headers = [ + "Connection", "State", "Uptime", "Bytes In/Out", "Packets In/Out", + "Remote address", "Remote ID", "Proposal" + ] + output = tabulate(sa_data, headers) print(output) except PermissionError: print("You do not have a permission to connect to the IPsec daemon") - sys.exit(1) + exit(1) except ConnectionRefusedError: print("IPsec is not runing") - sys.exit(1) + exit(1) except Exception as e: print("An error occured: {0}".format(e)) - sys.exit(1) + exit(1) |