mirror of
https://github.com/jumpserver/jumpserver.git
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d48eb40472
fix: Update aliyun-python-sdk-core-v3 to version 2.13.36 and remove telnetlib3 dependency perf: Implement AsyncLocal for asynchronous context storage and update signal handler fix: api docs access error fix: ticket flow api docs access error perf: stash ansible update version perf: update pynacl to version 1.6.2 perf: update telnet version perf: update docker-base perf: update ci
61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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#
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import asyncio
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import socket
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import telnetlib3
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from settings.utils import generate_ips
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PROMPT_REGEX = r'[\<|\[](.*)[\>|\]]'
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async def telnet(dest_addr, port_number=23, timeout=10):
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loop = asyncio.get_running_loop()
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try:
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connection = await loop.run_in_executor(None, telnetlib3.Telnet, dest_addr, port_number, timeout)
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except asyncio.TimeoutError:
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return False, 'Timeout'
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except (ConnectionRefusedError, socket.timeout, socket.gaierror) as e:
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return False, str(e)
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expected_regexes = [bytes(PROMPT_REGEX, encoding='ascii')]
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__, __, output = connection.expect(expected_regexes, timeout=3)
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return True, output.decode('utf-8', 'ignore')
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async def verbose_telnet(dest_ips, dest_port=23, timeout=10, display=None):
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if not display:
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return
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result = {}
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ips = generate_ips(dest_ips)
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await display(f'Total valid address: {len(ips)}\r\n')
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for dest_ip in ips:
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await display(f'Trying ({dest_ip}:{dest_port})')
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try:
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is_connective, resp = await telnet(dest_ip, dest_port, timeout)
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if is_connective:
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result[dest_ip] = 'ok'
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msg = f'Connected to {dest_ip} {dest_port} {resp}.\r\n' \
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f'Connection closed by foreign host.'
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else:
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result[dest_ip] = 'failed'
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msg = f'Unable to connect to remote host\r\n' \
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f'Reason: {resp}'
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except Exception as e:
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msg = 'Error: %s' % e
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await display(f'{msg}\r\n')
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await display(f'----- Telnet statistics -----')
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for k, v in result.items():
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await display(f'{k}: {v}')
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if __name__ == "__main__":
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print(verbose_telnet(dest_addr='1.1.1.1', port_number=2222))
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print(verbose_telnet(dest_addr='baidu.com', port_number=80))
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print(verbose_telnet(dest_addr='baidu.com', port_number=8080))
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print(verbose_telnet(dest_addr='192.168.4.1', port_number=2222))
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print(verbose_telnet(dest_addr='192.168.4.1', port_number=2223))
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print(verbose_telnet(dest_addr='ssssss', port_number=-1))
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