mirror of https://github.com/jtesta/ssh-audit.git
122 lines
3.9 KiB
Python
122 lines
3.9 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import pytest, socket
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class TestErrors(object):
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@pytest.fixture(autouse=True)
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def init(self, ssh_audit):
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self.AuditConf = ssh_audit.AuditConf
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self.audit = ssh_audit.audit
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def _conf(self):
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conf = self.AuditConf('localhost', 22)
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conf.colors = False
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conf.batch = True
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return conf
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def test_connection_refused(self, output_spy, virtual_socket):
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vsocket = virtual_socket
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vsocket.errors['connect'] = socket.error(61, 'Connection refused')
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output_spy.begin()
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with pytest.raises(SystemExit):
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self.audit(self._conf())
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lines = output_spy.flush()
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assert len(lines) == 1
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assert 'Connection refused' in lines[-1]
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def test_connection_closed_before_banner(self, output_spy, virtual_socket):
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vsocket = virtual_socket
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vsocket.rdata.append(socket.error(54, 'Connection reset by peer'))
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output_spy.begin()
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with pytest.raises(SystemExit):
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self.audit(self._conf())
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lines = output_spy.flush()
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assert len(lines) == 1
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assert 'did not receive banner' in lines[-1]
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def test_connection_closed_after_header(self, output_spy, virtual_socket):
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vsocket = virtual_socket
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vsocket.rdata.append(b'header line 1\n')
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vsocket.rdata.append(b'header line 2\n')
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vsocket.rdata.append(socket.error(54, 'Connection reset by peer'))
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output_spy.begin()
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with pytest.raises(SystemExit):
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self.audit(self._conf())
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lines = output_spy.flush()
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assert len(lines) == 3
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assert 'did not receive banner' in lines[-1]
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def test_connection_closed_after_banner(self, output_spy, virtual_socket):
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vsocket = virtual_socket
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vsocket.rdata.append(b'SSH-2.0-ssh-audit-test\r\n')
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vsocket.rdata.append(socket.error(54, 'Connection reset by peer'))
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output_spy.begin()
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with pytest.raises(SystemExit):
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self.audit(self._conf())
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lines = output_spy.flush()
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assert len(lines) == 2
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assert 'error reading packet' in lines[-1]
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assert 'reset by peer' in lines[-1]
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def test_empty_data_after_banner(self, output_spy, virtual_socket):
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vsocket = virtual_socket
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vsocket.rdata.append(b'SSH-2.0-ssh-audit-test\r\n')
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output_spy.begin()
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with pytest.raises(SystemExit):
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self.audit(self._conf())
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lines = output_spy.flush()
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assert len(lines) == 2
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assert 'error reading packet' in lines[-1]
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assert 'empty' in lines[-1]
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def test_wrong_data_after_banner(self, output_spy, virtual_socket):
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vsocket = virtual_socket
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vsocket.rdata.append(b'SSH-2.0-ssh-audit-test\r\n')
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vsocket.rdata.append(b'xxx\n')
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output_spy.begin()
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with pytest.raises(SystemExit):
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self.audit(self._conf())
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lines = output_spy.flush()
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assert len(lines) == 2
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assert 'error reading packet' in lines[-1]
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assert 'xxx' in lines[-1]
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def test_non_ascii_banner(self, output_spy, virtual_socket):
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vsocket = virtual_socket
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vsocket.rdata.append(b'SSH-2.0-ssh-audit-test\xc3\xbc\r\n')
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output_spy.begin()
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with pytest.raises(SystemExit):
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self.audit(self._conf())
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lines = output_spy.flush()
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assert len(lines) == 3
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assert 'error reading packet' in lines[-1]
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assert 'ASCII' in lines[-2]
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assert lines[-3].endswith('SSH-2.0-ssh-audit-test?')
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def test_nonutf8_data_after_banner(self, output_spy, virtual_socket):
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vsocket = virtual_socket
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vsocket.rdata.append(b'SSH-2.0-ssh-audit-test\r\n')
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vsocket.rdata.append(b'\x81\xff\n')
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output_spy.begin()
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with pytest.raises(SystemExit):
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self.audit(self._conf())
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lines = output_spy.flush()
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assert len(lines) == 2
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assert 'error reading packet' in lines[-1]
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assert '\\x81\\xff' in lines[-1]
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def test_protocol_mismatch_by_conf(self, output_spy, virtual_socket):
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vsocket = virtual_socket
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vsocket.rdata.append(b'SSH-1.3-ssh-audit-test\r\n')
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vsocket.rdata.append(b'Protocol major versions differ.\n')
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output_spy.begin()
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with pytest.raises(SystemExit):
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conf = self._conf()
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conf.ssh1, conf.ssh2 = True, False
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self.audit(conf)
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lines = output_spy.flush()
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assert len(lines) == 3
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assert 'error reading packet' in lines[-1]
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assert 'major versions differ' in lines[-1]
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