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257 lines (231 loc) · 9.65 KB
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import os
import socket
from unittest import skipUnless
from .base_test import SSH2TestCase
from ssh2.session import Session, LIBSSH2_HOSTKEY_HASH_MD5, \
LIBSSH2_HOSTKEY_HASH_SHA1
from ssh2.sftp import SFTP
from ssh2.channel import Channel
from ssh2.error_codes import LIBSSH2_ERROR_EAGAIN
from ssh2.exceptions import AuthenticationError, AgentAuthenticationError, \
SCPProtocolError, RequestDeniedError, InvalidRequestError, \
SocketSendError, FileError, PublickeyUnverifiedError
from ssh2.utils import wait_socket
class SessionTestCase(SSH2TestCase):
def test_pubkey_auth(self):
self.assertEqual(self.session.userauth_publickey_fromfile(
self.user, self.user_key, publickey=self.user_pub_key,
passphrase=''), 0)
def test_failed_password_auth(self):
self.assertRaises(
AuthenticationError,
self.session.userauth_password, 'FAKE USER', 'FAKE PASSWORD'
)
def test_failed_keyboard_interactive_auth(self):
self.assertRaises(
AuthenticationError,
self.session.userauth_keyboardinteractive, 'FAKE USER', 'FAKE PASSWORD'
)
def test_set_get_error(self):
msg = b'my error message'
self.assertEqual(b'', self.session.last_error())
self.assertEqual(self.session.set_last_error(255, msg), 255)
self.assertEqual(msg, self.session.last_error())
def test_fromfile_auth(self):
self.assertEqual(self._auth(), 0)
self.assertTrue(self.session.userauth_authenticated())
def test_get_auth_list(self):
auth_list = sorted(self.session.userauth_list(self.user))
expected = sorted(['publickey', 'password', 'keyboard-interactive'])
self.assertListEqual(auth_list, expected)
def test_direct_tcpip(self):
self.assertEqual(self._auth(), 0)
chan = self.session.direct_tcpip(self.host, self.port)
self.assertTrue(chan is not None)
def test_agent(self):
agent = self.session.agent_init()
self.assertTrue(agent.connect() == 0)
def test_session_get_set(self):
self.assertEqual(self._auth(), 0)
self.session.set_timeout(10)
self.assertEqual(self.session.get_timeout(), 10)
self.session.set_timeout(0)
self.assertEqual(self.session.get_timeout(), 0)
self.session.set_blocking(0)
self.assertEqual(self.session.get_blocking(), 0)
self.session.set_blocking(1)
self.assertEqual(self.session.get_blocking(), 1)
def test_failed_agent_auth(self):
self.assertRaises(AgentAuthenticationError,
self.session.agent_auth, 'FAKE USER')
def test_failed_pkey_auth(self):
self.assertRaises(AuthenticationError,
self.session.userauth_publickey_fromfile,
'FAKE USER', self.user_key,
publickey=self.user_pub_key)
self.assertRaises(FileError,
self.session.userauth_publickey_fromfile,
self.user, 'EVEN MORE FAKE FILE',
publickey='FAKE FILE')
@skipUnless(hasattr(Session, 'scp_recv2'),
"Function not supported by libssh2")
def test_scp_recv2(self):
self.assertEqual(self._auth(), 0)
test_data = b"data"
remote_filename = os.sep.join([os.path.dirname(__file__),
"remote_test_file"])
with open(remote_filename, 'wb') as fh:
fh.write(test_data)
try:
(file_chan, fileinfo) = self.session.scp_recv2(remote_filename)
except TypeError:
os.unlink(remote_filename)
raise
try:
total = 0
size, data = file_chan.read(size=fileinfo.st_size)
total += size
while total < fileinfo.st_size:
size, data = file_chan.read()
total += size
self.assertEqual(total, fileinfo.st_size)
except Exception:
raise
finally:
os.unlink(remote_filename)
self.assertRaises(SCPProtocolError, self.session.scp_recv2, remote_filename)
def test_scp_recv(self):
self.assertEqual(self._auth(), 0)
test_data = b"data"
remote_filename = os.sep.join([os.path.dirname(__file__),
"remote_test_file"])
with open(remote_filename, 'wb') as fh:
fh.write(test_data)
try:
(file_chan, fileinfo) = self.session.scp_recv(remote_filename)
except TypeError:
os.unlink(remote_filename)
raise
try:
total = 0
size, data = file_chan.read(size=fileinfo.st_size)
total += size
while total < fileinfo.st_size:
total += size
size, data = file_chan.read()
self.assertEqual(total, fileinfo.st_size)
except Exception:
raise
finally:
os.unlink(remote_filename)
self.assertRaises(SCPProtocolError, self.session.scp_recv, remote_filename)
def test_scp_send(self):
self.assertEqual(self._auth(), 0)
test_data = b"data"
remote_filename = os.sep.join([os.path.dirname(__file__),
"remote_test_file"])
to_copy = os.sep.join([os.path.dirname(__file__),
"copied"])
with open(remote_filename, 'wb') as fh:
fh.write(test_data)
fileinfo = os.stat(remote_filename)
try:
chan = self.session.scp_send(
to_copy, fileinfo.st_mode & 777, fileinfo.st_size)
with open(remote_filename, 'rb') as local_fh:
for data in local_fh:
chan.write(data)
chan.send_eof()
chan.wait_eof()
chan.wait_closed()
self.assertEqual(os.stat(to_copy).st_size,
os.stat(remote_filename).st_size)
except Exception:
raise
finally:
os.unlink(remote_filename)
try:
os.unlink(to_copy)
except OSError:
pass
self.assertRaises(SCPProtocolError, self.session.scp_send,
'/cannot_write', 1 & 777, 1)
@skipUnless(hasattr(Session, 'scp_send64'),
"Function not supported by libssh2")
def test_scp_send64(self):
self.assertEqual(self._auth(), 0)
test_data = b"data"
remote_filename = os.sep.join([os.path.dirname(__file__),
"remote_test_file"])
to_copy = os.sep.join([os.path.dirname(__file__),
"copied"])
with open(remote_filename, 'wb') as fh:
fh.write(test_data)
fileinfo = os.stat(remote_filename)
try:
chan = self.session.scp_send64(
to_copy, fileinfo.st_mode & 777, fileinfo.st_size,
fileinfo.st_mtime, fileinfo.st_atime)
with open(remote_filename, 'rb') as local_fh:
for data in local_fh:
chan.write(data)
chan.send_eof()
chan.wait_eof()
chan.wait_closed()
self.assertEqual(os.stat(to_copy).st_size,
os.stat(remote_filename).st_size)
except Exception:
raise
finally:
os.unlink(remote_filename)
try:
os.unlink(to_copy)
except OSError:
pass
self.assertRaises(SCPProtocolError, self.session.scp_send64,
'/cannot_write', 0 & 777, 1, 1, 1)
def test_non_blocking(self):
self.assertEqual(self._auth(), 0)
self.session.set_blocking(False)
self.assertFalse(self.session.get_blocking())
sftp = self.session.sftp_init()
while sftp == LIBSSH2_ERROR_EAGAIN:
wait_socket(self.sock, self.session)
sftp = self.session.sftp_init()
self.assertIsNotNone(sftp)
self.assertIsInstance(sftp, SFTP)
chan = self.session.open_session()
while chan == LIBSSH2_ERROR_EAGAIN:
wait_socket(self.sock, self.session)
chan = self.session.open_session()
self.assertIsInstance(chan, Channel)
def test_non_blocking_handshake(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((self.host, self.port))
session = Session()
session.set_blocking(0)
while session.handshake(sock) == LIBSSH2_ERROR_EAGAIN:
continue
def test_hostkey(self):
self.assertEqual(self._auth(), 0)
for _type in [LIBSSH2_HOSTKEY_HASH_MD5, LIBSSH2_HOSTKEY_HASH_SHA1]:
hostkey = self.session.hostkey_hash(_type)
self.assertTrue(len(hostkey) > 0)
def test_forward_listen_failure(self):
self.assertEqual(self._auth(), 0)
self.assertRaises(RequestDeniedError, self.session.forward_listen, 80)
def test_sftp_init_failure(self):
self.assertRaises(InvalidRequestError, self.session.sftp_init)
def test_open_channel_failure(self):
self.sock.close()
self.assertRaises(SocketSendError, self.session.open_session)
def test_direct_tcpip_failure(self):
self.sock.close()
self.assertRaises(SocketSendError, self.session.direct_tcpip,
'localhost', 80)
def test_keepalive(self):
self.session.keepalive_config(False, 60)
seconds = self.session.keepalive_send()
self.assertTrue(seconds >= 59)
self.session.keepalive_config(False, 0)
self.assertEqual(self.session.keepalive_send(), 0)