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Test kex payload generation.

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This commit is contained in:
Andris Raugulis 2016-10-14 16:17:38 +03:00
parent c9d58bb827
commit 63a9c479a7
1 changed files with 60 additions and 1 deletions
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test/test_ssh2.py
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@ -1,6 +1,6 @@
#!/usr/bin/env python #!/usr/bin/env python
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
import pytest import pytest, os
class TestSSH2(object): class TestSSH2(object):
@ -46,3 +46,62 @@ class TestSSH2(object):
assert kex.server.languages == [u''] assert kex.server.languages == [u'']
assert kex.follows is False assert kex.follows is False
assert kex.unused == 0 assert kex.unused == 0
def _get_empty_kex(self, cookie=None):
kex_algs, key_algs = [], []
enc, mac, compression, languages = [], [], ['none'], []
cli = self.ssh2.KexParty(enc, mac, compression, languages)
enc, mac, compression, languages = [], [], ['none'], []
srv = self.ssh2.KexParty(enc, mac, compression, languages)
if cookie is None:
cookie = os.urandom(16)
kex = self.ssh2.Kex(cookie, kex_algs, key_algs, cli, srv, 0)
return kex
def _get_kex_variat1(self):
cookie = b'\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff'
kex = self._get_empty_kex(cookie)
kex.kex_algorithms.append('curve25519-sha256@libssh.org')
kex.kex_algorithms.append('ecdh-sha2-nistp256')
kex.kex_algorithms.append('ecdh-sha2-nistp384')
kex.kex_algorithms.append('ecdh-sha2-nistp521')
kex.kex_algorithms.append('diffie-hellman-group-exchange-sha256')
kex.kex_algorithms.append('diffie-hellman-group14-sha1')
kex.key_algorithms.append('ssh-rsa')
kex.key_algorithms.append('rsa-sha2-512')
kex.key_algorithms.append('rsa-sha2-256')
kex.key_algorithms.append('ssh-ed25519')
kex.server.encryption.append('chacha20-poly1305@openssh.com')
kex.server.encryption.append('aes128-ctr')
kex.server.encryption.append('aes192-ctr')
kex.server.encryption.append('aes256-ctr')
kex.server.encryption.append('aes128-gcm@openssh.com')
kex.server.encryption.append('aes256-gcm@openssh.com')
kex.server.encryption.append('aes128-cbc')
kex.server.encryption.append('aes192-cbc')
kex.server.encryption.append('aes256-cbc')
kex.server.mac.append('umac-64-etm@openssh.com')
kex.server.mac.append('umac-128-etm@openssh.com')
kex.server.mac.append('hmac-sha2-256-etm@openssh.com')
kex.server.mac.append('hmac-sha2-512-etm@openssh.com')
kex.server.mac.append('hmac-sha1-etm@openssh.com')
kex.server.mac.append('umac-64@openssh.com')
kex.server.mac.append('umac-128@openssh.com')
kex.server.mac.append('hmac-sha2-256')
kex.server.mac.append('hmac-sha2-512')
kex.server.mac.append('hmac-sha1')
kex.server.compression.append('zlib@openssh.com')
for a in kex.server.encryption:
kex.client.encryption.append(a)
for a in kex.server.mac:
kex.client.mac.append(a)
for a in kex.server.compression:
if a == 'none':
continue
kex.client.compression.append(a)
return kex
def test_key_payload(self):
kex1 = self._get_kex_variat1()
kex2 = self.ssh2.Kex.parse(self._kex_payload())
assert kex1.payload == kex2.payload