ssh-audit/test/test_protocol.py

43 lines
1.4 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pytest
import re
class TestProtocol(object):
@pytest.fixture(autouse=True)
def init(self, ssh_audit):
self.rbuf = ssh_audit.ReadBuf
self.wbuf = ssh_audit.WriteBuf
def _b(self, v):
v = re.sub(r'\s', '', v)
data = [int(v[i * 2:i * 2 + 2], 16) for i in range(len(v) // 2)]
return bytes(bytearray(data))
def test_mpint1(self):
mpint1w = lambda x: self.wbuf().write_mpint1(x).write_flush()
mpint1r = lambda x: self.rbuf(x).read_mpint1()
tc = [(0x0, '00 00'),
(0x1234, '00 0d 12 34'),
(0x12345, '00 11 01 23 45'),
(0xdeadbeef, '00 20 de ad be ef')]
for p in tc:
assert mpint1w(p[0]) == self._b(p[1])
assert mpint1r(self._b(p[1])) == p[0]
def test_mpint2(self):
mpint2w = lambda x: self.wbuf().write_mpint2(x).write_flush()
mpint2r = lambda x: self.rbuf(x).read_mpint2()
tc = [(0x0, '00 00 00 00'),
(0x80, '00 00 00 02 00 80'),
(0x9a378f9b2e332a7, '00 00 00 08 09 a3 78 f9 b2 e3 32 a7'),
(-0x1234, '00 00 00 02 ed cc'),
(-0xdeadbeef, '00 00 00 05 ff 21 52 41 11'),
(-0x8000, '00 00 00 02 80 00'),
(-0x80, '00 00 00 01 80')]
for p in tc:
assert mpint2w(p[0]) == self._b(p[1])
assert mpint2r(self._b(p[1])) == p[0]
assert mpint2r(self._b('00 00 00 02 ff 80')) == -0x80