1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
#!/usr/bin/env python3
#
# Copyright (C) 2019-2021 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 sys
import vici
import tabulate
import hurry.filesize
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))]
def format_output(conns, 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"}
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)
return sa_data
if __name__ == '__main__':
try:
session = vici.Session()
conns = {}
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 = sorted(sa_data, key=alphanum_key)
output = tabulate.tabulate(sa_data, headers)
print(output)
except PermissionError:
print("You do not have a permission to connect to the IPsec daemon")
sys.exit(1)
except ConnectionRefusedError:
print("IPsec is not runing")
sys.exit(1)
except Exception as e:
print("An error occured: {0}".format(e))
sys.exit(1)
|
