mirror of
https://github.com/jtesta/ssh-audit.git
synced 2024-10-02 13:42:59 +02:00
Handle the case when received data is in wrong encoding (not utf-8).
This commit is contained in:
parent
6b76e68d0d
commit
8ca6ec591d
@ -1657,7 +1657,10 @@ def audit(conf, sshv=None):
|
|||||||
if err is None:
|
if err is None:
|
||||||
packet_type, payload = s.read_packet(sshv)
|
packet_type, payload = s.read_packet(sshv)
|
||||||
if packet_type < 0:
|
if packet_type < 0:
|
||||||
|
try:
|
||||||
payload = payload.decode('utf-8') if payload else u'empty'
|
payload = payload.decode('utf-8') if payload else u'empty'
|
||||||
|
except UnicodeDecodeError:
|
||||||
|
payload = u'"{0}"'.format(repr(payload).lstrip('b')[1:-1])
|
||||||
if payload == u'Protocol major versions differ.':
|
if payload == u'Protocol major versions differ.':
|
||||||
if sshv == 2 and conf.ssh1:
|
if sshv == 2 and conf.ssh1:
|
||||||
audit(conf, 1)
|
audit(conf, 1)
|
||||||
|
@ -81,6 +81,18 @@ class TestErrors(object):
|
|||||||
assert 'error reading packet' in lines[-1]
|
assert 'error reading packet' in lines[-1]
|
||||||
assert 'xxx' in lines[-1]
|
assert 'xxx' in lines[-1]
|
||||||
|
|
||||||
|
def test_nonutf8_data_after_banner(self, output_spy, virtual_socket):
|
||||||
|
vsocket = virtual_socket
|
||||||
|
vsocket.rdata.append(b'SSH-2.0-ssh-audit-test\r\n')
|
||||||
|
vsocket.rdata.append(b'\x81\xff\n')
|
||||||
|
output_spy.begin()
|
||||||
|
with pytest.raises(SystemExit):
|
||||||
|
self.audit(self._conf())
|
||||||
|
lines = output_spy.flush()
|
||||||
|
assert len(lines) == 2
|
||||||
|
assert 'error reading packet' in lines[-1]
|
||||||
|
assert '\\x81\\xff' in lines[-1]
|
||||||
|
|
||||||
def test_protocol_mismatch_by_conf(self, output_spy, virtual_socket):
|
def test_protocol_mismatch_by_conf(self, output_spy, virtual_socket):
|
||||||
vsocket = virtual_socket
|
vsocket = virtual_socket
|
||||||
vsocket.rdata.append(b'SSH-1.3-ssh-audit-test\r\n')
|
vsocket.rdata.append(b'SSH-1.3-ssh-audit-test\r\n')
|
||||||
|
Loading…
Reference in New Issue
Block a user