mirror of https://github.com/jtesta/ssh-audit.git
153 lines
4.2 KiB
Python
153 lines
4.2 KiB
Python
import io
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import sys
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import socket
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import pytest
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@pytest.fixture(scope='module')
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def ssh_audit():
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import ssh_audit.ssh_audit
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return ssh_audit.ssh_audit
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# pylint: disable=attribute-defined-outside-init
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class _OutputSpy(list):
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def begin(self):
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self.__out = io.StringIO()
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self.__old_stdout = sys.stdout
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sys.stdout = self.__out
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def flush(self):
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lines = self.__out.getvalue().splitlines()
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sys.stdout = self.__old_stdout
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self.__out = None
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return lines
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@pytest.fixture(scope='module')
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def output_spy():
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return _OutputSpy()
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class _VirtualGlobalSocket:
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def __init__(self, vsocket):
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self.vsocket = vsocket
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self.addrinfodata = {}
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# pylint: disable=unused-argument
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def create_connection(self, address, timeout=0, source_address=None):
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# pylint: disable=protected-access
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return self.vsocket._connect(address, True)
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# pylint: disable=unused-argument
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def socket(self,
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family=socket.AF_INET,
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socktype=socket.SOCK_STREAM,
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proto=0,
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fileno=None):
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return self.vsocket
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def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
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key = '{}#{}'.format(host, port)
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if key in self.addrinfodata:
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data = self.addrinfodata[key]
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if isinstance(data, Exception):
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raise data
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return data
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if host == 'localhost':
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r = []
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if family in (0, socket.AF_INET):
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r.append((socket.AF_INET, 1, 6, '', ('127.0.0.1', port)))
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if family in (0, socket.AF_INET6):
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r.append((socket.AF_INET6, 1, 6, '', ('::1', port)))
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return r
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return []
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class _VirtualSocket:
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def __init__(self):
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self.sock_address = ('127.0.0.1', 0)
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self.peer_address = None
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self._connected = False
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self.timeout = -1.0
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self.rdata = []
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self.sdata = []
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self.errors = {}
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self.blocking = False
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self.gsock = _VirtualGlobalSocket(self)
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def _check_err(self, method):
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method_error = self.errors.get(method)
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if method_error:
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raise method_error
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def connect(self, address):
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return self._connect(address, False)
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def connect_ex(self, address):
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return self.connect(address)
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def _connect(self, address, ret=True):
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self.peer_address = address
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self._connected = True
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self._check_err('connect')
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return self if ret else None
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def setblocking(self, r: bool):
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self.blocking = r
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def settimeout(self, timeout):
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self.timeout = timeout
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def gettimeout(self):
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return self.timeout
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def getpeername(self):
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if self.peer_address is None or not self._connected:
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raise OSError(57, 'Socket is not connected')
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return self.peer_address
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def getsockname(self):
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return self.sock_address
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def bind(self, address):
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self.sock_address = address
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def listen(self, backlog):
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pass
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def accept(self):
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# pylint: disable=protected-access
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conn = _VirtualSocket()
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conn.sock_address = self.sock_address
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conn.peer_address = ('127.0.0.1', 0)
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conn._connected = True
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return conn, conn.peer_address
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def recv(self, bufsize, flags=0):
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# pylint: disable=unused-argument
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if not self._connected:
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raise OSError(54, 'Connection reset by peer')
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if not len(self.rdata) > 0:
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return b''
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data = self.rdata.pop(0)
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if isinstance(data, Exception):
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raise data
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return data
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def send(self, data):
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if self.peer_address is None or not self._connected:
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raise OSError(32, 'Broken pipe')
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self._check_err('send')
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self.sdata.append(data)
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@pytest.fixture()
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def virtual_socket(monkeypatch):
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vsocket = _VirtualSocket()
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gsock = vsocket.gsock
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monkeypatch.setattr(socket, 'create_connection', gsock.create_connection)
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monkeypatch.setattr(socket, 'socket', gsock.socket)
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monkeypatch.setattr(socket, 'getaddrinfo', gsock.getaddrinfo)
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return vsocket
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