99 lines
4.5 KiB
Python
99 lines
4.5 KiB
Python
"""仅检查远程传输层，不登录、不发信、不读写业务数据库。"""
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from datetime import datetime, timezone
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import hashlib
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import http.client
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import json
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from pathlib import Path
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import smtplib
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import socket
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import ssl
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import subprocess
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HOST = 'web.solit.cn'
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CONTEXT = ssl.create_default_context()
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def request(port, path='/', host=HOST, tls=True):
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raw = socket.create_connection(('127.0.0.1', port), timeout=10)
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stream = CONTEXT.wrap_socket(raw, server_hostname=host) if tls else raw
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try:
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stream.sendall(f'GET {path} HTTP/1.1\r\nHost: {host}\r\nConnection: close\r\n\r\n'.encode())
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response = http.client.HTTPResponse(stream)
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response.begin()
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body = response.read()
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return response.status, dict(response.getheaders()), body
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finally:
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stream.close()
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def check_redirects(results):
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expected = 'https://' + HOST + '/acceptance?x=1'
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failures = []
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for port in (80, 8001):
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status, headers, _ = request(port, '/acceptance?x=1', tls=False)
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location = headers.get('Location')
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results['checks'].append({'port': port, 'redirect': location, 'status': status})
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if status != 308 or location != expected:
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failures.append({'port': port, 'check': 'public_redirect',
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'expectedStatus': 308, 'actualStatus': status,
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'expectedLocation': expected, 'actualLocation': location})
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return failures
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def main():
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results = {'time': datetime.now(timezone.utc).isoformat(), 'checks': []}
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leaf = subprocess.run(['openssl', 'x509', '-in', '/opt/smail/ssl/custom.crt', '-outform', 'DER'],
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check=True, capture_output=True).stdout
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expected = hashlib.sha256(leaf).hexdigest()
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for port, host in [(443, HOST), (443, 'solit.cn'), (443, 'mail.solit.cn'),
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(8002, HOST), (465, 'smtp.solit.cn'),
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(993, 'imap.solit.cn'), (995, 'pop.solit.cn')]:
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with socket.create_connection(('127.0.0.1', port), timeout=10) as raw:
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with CONTEXT.wrap_socket(raw, server_hostname=host) as stream:
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actual = hashlib.sha256(stream.getpeercert(binary_form=True)).hexdigest()
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assert actual == expected, (port, 'certificate mismatch')
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results['checks'].append({'port': port, 'hostname': host, 'tls': stream.version(),
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'systemTrust': True, 'sameCertificate': True})
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for port in (25, 587):
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with smtplib.SMTP(timeout=10) as client:
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assert client.connect('127.0.0.1', port)[0] == 220
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client._host = 'smtp.solit.cn'
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assert client.ehlo('localhost')[0] == 250
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assert not client.has_extn('auth'), 'plaintext AUTH advertised'
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assert client.has_extn('starttls')
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assert client.starttls(context=CONTEXT)[0] == 220
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assert hashlib.sha256(client.sock.getpeercert(binary_form=True)).hexdigest() == expected
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assert client.ehlo('localhost')[0] == 250
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results['checks'].append({'port': port, 'systemTrust': True, 'starttls': True,
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'plaintextAuthHidden': True})
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for port in (443, 8002):
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status, headers, body = request(port)
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assert status == 200 and b'<html' in body.lower(), (port, status)
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assert 'Content-Security-Policy' in headers
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results['checks'].append({'port': port, 'pageStatus': status, 'pageBytes': len(body)})
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status, _, body = request(port, '/api/ping')
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assert status == 200
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results['failures'] = check_redirects(results)
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assert request(80, host='untrusted.invalid', tls=False)[0] == 404
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results['checks'].append({'unknownHttpHost': 'rejected'})
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try:
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with socket.create_connection(('127.0.0.1', 443), timeout=10) as raw:
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CONTEXT.wrap_socket(raw, server_hostname='untrusted.invalid')
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except ssl.SSLError:
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results['checks'].append({'unknownSNI': 'rejected'})
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else:
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raise AssertionError('unknown SNI accepted')
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root = json.loads(Path('/opt/smail/config/config.json').read_text())
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assert root['http']['port'] == 8001 and root['http']['httpsPort'] == 8002
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assert root['security']['webAuthnRpOrigins'] == ['https://web.solit.cn']
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results['fingerprintSHA256'] = expected
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results['status'] = 'failed' if results['failures'] else 'passed'
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print(json.dumps(results, ensure_ascii=False, indent=2))
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return int(bool(results['failures']))
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if __name__ == '__main__':
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raise SystemExit(main())
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