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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
from enum import IntEnum
import json
from json import JSONDecodeError
from random import randint
import sys
import asyncio
from random import randint
from websockets import connect
import logging
import asyncssh
import re
from parse import *
from typing import Union
class AFBT(IntEnum):
REQUEST = 2,
RESPONSE = 3,
ERROR = 4,
EVENT = 5
msgq = {}
# TODO : Replace prints with logging
def addrequest(msgid, msg):
msgq[msgid] = {'request': msg, 'response': None}
def addresponse(msgid, msg):
if msgid in msgq.keys():
msgq[msgid]['response'] = msg
class AGLBaseService:
api = None
url = None
ip = None
port = None
token = None
uuid = None
service = None
def __init__(self, api: str, ip: str, port: str = None, url: str = None,
token: str = 'HELLO', uuid: str = 'magic', service: str = None):
self.api = api
self.url = url
self.ip = ip
self.port = port
self.token = token
self.uuid = uuid
self.service = service
def __await__(self):
return self._async_init().__await__()
async def __aenter__(self):
return self._async_init()
async def _async_init(self):
# setting ping_interval to None because AFB does not support websocket ping
# if set to !None, the library will close the socket after the default timeout
URL = f'ws://{self.ip}:{self.port}/api?token={self.token}&uuid={self.uuid}'
self._conn = connect(close_timeout=0, uri=URL, subprotocols=['x-afb-ws-json1'], ping_interval=None)
self.websocket = await self._conn.__aenter__()
return self
async def __aexit__(self, *args, **kwargs):
await self._conn.__aexit__(*args, **kwargs)
async def close(self):
await self._conn.__aexit__(*sys.exc_info())
async def send(self, message):
await self.websocket.send(message)
async def receive(self):
return await self.websocket.recv()
async def portfinder(self):
async with asyncssh.connect(self.ip, username='root') as c:
servicename = await c.run(f"systemctl --all | grep {self.service} | awk '{{print $1}}'", check=False)
if self.service not in servicename.stdout:
print(f"Unable to find service matching pattern '{self.service}'")
exit(1)
# TODO decide what to do if the service is not started - scan for disabled units/run service via afm-util
print(f"Found service name: {servicename.stdout.strip()}")
pidres = await c.run(f'systemctl show --property MainPID --value {servicename.stdout}')
pid = int(pidres.stdout.strip(), 10)
if pid is 0:
print(f'Service {servicename.stdout.strip()} is stopped')
return None
else:
print(f'Service PID: {pidres.stdout.strip()}')
sockets = await c.run(f'find /proc/{pidres.stdout.strip()}/fd/ | xargs readlink | grep socket')
inodes = frozenset(re.findall('socket:\[(.*)\]', sockets.stdout))
print(f"Socket inodes: {inodes}")
alltcp = await c.run('cat /proc/net/tcp')
fieldsstr = '{sl}: {local_address} {rem_address} {st} {tx_queue}:{rx_queue} {tr}:{tmwhen} {retrnsmt} {uid}' \
' {timeout} {inode} {sref_cnt} {memloc} {rto} {pred_sclk} {ackquick} {congest} {slowstart}'
tcpsockets = [' '.join(l.split()) for l in alltcp.stdout.splitlines()[1:]]
parsedtcpsockets = [parse(fieldsstr, l) for l in tcpsockets if l is not None]
socketinodesbythisprocess = [l for l in parsedtcpsockets if
l is isinstance(l, Result) and l.named['inode'] in inodes]
for s in socketinodesbythisprocess:
_, port = tuple(parse('{}:{}', s['local_address']))
port = int(port, 16)
if port > 30000:
print(f'found port {port}')
return port
async def listener(self):
try:
while True:
msg = await self.receive()
print(f"Received {msg}")
try:
data = json.loads(msg)
if isinstance(data, list):
if data[0] == AFBT.RESPONSE and str.isnumeric(data[1]):
msgid = int(data[1])
if msgid in msgq:
addresponse(msgid, data)
except JSONDecodeError:
print("Not decoding a non-json message")
except KeyboardInterrupt:
print("Received keyboard interrupt, exiting")
except asyncio.CancelledError:
print("Websocket listener coroutine stopped")
except Exception as e:
print("Unhandled seal: " + str(e))
async def request(self, verb: str, values: Union[str, dict] = "", msgid: int = randint(0, 9999999),
waitresponse: bool = False):
l = json.dumps([AFBT.REQUEST, str(msgid), f'{self.api}/{verb}', values])
await self.send(l)
if waitresponse:
return await self.receive()
async def subscribe(self, event):
await self.request('subscribe', {'value': f'{event}'})
async def unsubscribe(self, event):
await self.request('unsubscribe', {'value': f'{event}'})
|
