def connect(self,
host=None,
username=None,
password=None,
private_key=None,
private_key_pass=None,
port=22,
timeout=30):
host = host or self._host
username = username or self._username
password = password or self._password
pkey = self._pkey
if private_key:
pkey = self.load_private_key(private_key, private_key_pass)
log.debug("connecting to host %s on port %d as user %s" %
(host, port, username))
try:
sock = self._get_socket(host, port)
transport = ssh.Transport(sock)
transport.banner_timeout = timeout
except socket.error:
raise exception.SSHConnectionError(host, port)
# Authenticate the transport.
try:
transport.connect(username=username, pkey=pkey, password=password)
except ssh.AuthenticationException:
raise exception.SSHAuthException(username, host)
except ssh.SSHException, e:
msg = e.args[0]
raise exception.SSHError(msg)
def init(hostname, username, keyfile, passwd):
global sftp, tc
t = ssh.Transport(hostname)
tc = t
try:
key = ssh.RSAKey.from_private_key_file(keyfile, passwd)
except ssh.PasswordRequiredException:
sys.stderr.write('\n\nssh.RSAKey.from_private_key_file REQUIRES PASSWORD.\n')
sys.stderr.write('You have two options:\n')
sys.stderr.write('* Use the "-K" option to point to a different (non-password-protected)\n')
sys.stderr.write(' private key file.\n')
sys.stderr.write('* Use the "-P" option to provide the password needed to unlock this private\n')
sys.stderr.write(' key.\n')
sys.stderr.write('\n')
sys.exit(1)
try:
t.connect(username=username, pkey=key)
except ssh.SSHException:
t.close()
sys.stderr.write('\n\nssh.Transport.connect FAILED.\n')
sys.stderr.write('There are several possible reasons why it might fail so quickly:\n\n')
sys.stderr.write('* The host to connect to (%s) is not a valid SSH server.\n' % hostname)
sys.stderr.write(' (Use the "-H" option to change the host.)\n')
sys.stderr.write('* The username to auth as (%s) is invalid.\n' % username)
sys.stderr.write(' (Use the "-U" option to change the username.)\n')
sys.stderr.write('* The private key given (%s) is not accepted by the server.\n' % keyfile)
sys.stderr.write(' (Use the "-K" option to provide a different key file.)\n')
sys.stderr.write('\n')
sys.exit(1)
sftp = ssh.SFTP.from_transport(t)
def _run(self):
self.socks, addr = self.sockl.accept()
self.ts = ssh.Transport(self.socks)
host_key = ssh.RSAKey.from_private_key_file('tests/test_rsa.key')
self.ts.add_server_key(host_key)
server = NullServer()
self.ts.start_server(self.event, server)
def connect(self):
# get hostname
username = '******'
hostname = 'webhost.daily.co.uk'
port = 22
password = open('../password.txt', 'r').read()
# get host key, if we know one
hostkeytype = None
hostkey = None
keypath = None
try:
keypath = os.path.expanduser(
r'C:\MinGW\msys\1.0\home\h3r3tic\.ssh\known_hosts')
print keypath
host_keys = ssh.util.load_host_keys(keypath)
except IOError:
try:
# try ~/ssh/ too, because windows can't have a folder named ~/.ssh/
keypath = os.path.expanduser('/ssh/known_hosts')
host_keys = ssh.util.load_host_keys(keypath)
except IOError:
print '*** Unable to open host keys file'
host_keys = {}
if host_keys.has_key(hostname):
hostkeytype = host_keys[hostname].keys()[0]
hostkey = host_keys[hostname][hostkeytype]
print 'Using host key of type %s from %s' % (hostkeytype, keypath)
self.t = ssh.Transport((hostname, port))
self.t.connect(username=username, password=password, hostkey=hostkey)
self.sftp = ssh.SFTPClient.from_transport(self.t)
self.sftp.chdir('public_html')
def init_transport(self):
transport = ssh.Transport(self.request)
transport.add_server_key(ssh.RSAKey(filename=SERVER_PRIVKEY))
transport.set_subsystem_handler('sftp',
ssh.SFTPServer,
sftp_si=FakeSFTPServer)
server = TestServer(passwords, home, pubkeys, files)
transport.start_server(server=server)
self.ssh_server = server
self.transport = transport
def init_loopback():
global sftp, tc
socks = LoopSocket()
sockc = LoopSocket()
sockc.link(socks)
tc = ssh.Transport(sockc)
ts = ssh.Transport(socks)
host_key = ssh.RSAKey.from_private_key_file('tests/test_rsa.key')
ts.add_server_key(host_key)
event = threading.Event()
server = StubServer()
ts.set_subsystem_handler('sftp', ssh.SFTPServer, StubSFTPServer)
ts.start_server(event, server)
tc.connect(username='******', password='******')
event.wait(1.0)
sftp = ssh.SFTP.from_transport(tc)
def connect(self,
hostname,
sock,
port=22,
username=None,
password=None,
pkey=None,
key_filename=None,
timeout=None,
allow_agent=True,
look_for_keys=True):
t = self._transport = ssh.Transport(sock)
if self._log_channel is not None:
t.set_log_channel(self._log_channel)
t.start_client()
ResourceManager.register(self, t)
server_key = t.get_remote_server_key()
keytype = server_key.get_name()
our_server_key = self._system_host_keys.get(hostname,
{}).get(keytype, None)
if our_server_key is None:
our_server_key = self._host_keys.get(hostname,
{}).get(keytype, None)
if our_server_key is None:
# will raise exception if the key is rejected; let that fall out
self._policy.missing_host_key(self, hostname, server_key)
# if the callback returns, assume the key is ok
our_server_key = server_key
if server_key != our_server_key:
raise ssh.BadHostKeyException(hostname, server_key, our_server_key)
if username is None:
username = getpass.getuser()
if key_filename is None:
key_filenames = []
elif isinstance(key_filename, (str, unicode)):
key_filenames = [key_filename]
else:
key_filenames = key_filename
self._auth(username, password, pkey, key_filenames, allow_agent,
look_for_keys)
import ssh
t = ssh.Transport(("localhost", 22))
t.connect(username="******", password="******")
sftp = ssh.SFTPClient.from_transport(t)
sftp.listdir()
sftp.put("README", "README")
sftp.put("/Users/chandrashekar/contact.txt", "README")
sftp.listdir()
port = 22
if hostname.find(':') >= 0:
hostname, portstr = hostname.split(':')
port = int(portstr)
# now connect
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((hostname, port))
except Exception, e:
print '*** Connect failed: ' + str(e)
traceback.print_exc()
sys.exit(1)
try:
t = ssh.Transport(sock)
try:
t.start_client()
except ssh.SSHException:
print '*** SSH negotiation failed.'
sys.exit(1)
try:
keys = ssh.util.load_host_keys(
os.path.expanduser('~/.ssh/known_hosts'))
except IOError:
try:
keys = ssh.util.load_host_keys(
os.path.expanduser('~/ssh/known_hosts'))
except IOError:
print '*** Unable to open host keys file'
try:
# try ~/ssh/ too, because windows can't have a folder named ~/.ssh/
host_keys = ssh.util.load_host_keys(
os.path.expanduser('~/ssh/known_hosts'))
except IOError:
print '*** Unable to open host keys file'
host_keys = {}
if host_keys.has_key(hostname):
hostkeytype = host_keys[hostname].keys()[0]
hostkey = host_keys[hostname][hostkeytype]
print 'Using host key of type %s' % hostkeytype
# now, connect and use ssh Transport to negotiate SSH2 across the connection
try:
t = ssh.Transport((hostname, port))
t.connect(username=username, password=password, hostkey=hostkey)
sftp = ssh.SFTPClient.from_transport(t)
# dirlist on remote host
dirlist = sftp.listdir('.')
print "Dirlist:", dirlist
# copy this demo onto the server
try:
sftp.mkdir("demo_sftp_folder")
except IOError:
print '(assuming demo_sftp_folder/ already exists)'
sftp.open('demo_sftp_folder/README',
'w').write('This was created by demo_sftp.py.\n')
data = open('demo_sftp.py', 'r').read()
traceback.print_exc()
sys.exit(1)
try:
sock.listen(100)
print 'Listening for connection ...'
client, addr = sock.accept()
except Exception, e:
print '*** Listen/accept failed: ' + str(e)
traceback.print_exc()
sys.exit(1)
print 'Got a connection!'
try:
t = ssh.Transport(client)
try:
t.load_server_moduli()
except:
print '(Failed to load moduli -- gex will be unsupported.)'
raise
t.add_server_key(host_key)
server = Server()
try:
t.start_server(server=server)
except ssh.SSHException, x:
print '*** SSH negotiation failed.'
sys.exit(1)
# wait for auth
chan = t.accept(20)
