def check(computer_name: str, connection: SMBConnection) -> (str, dict):
"""
Return Health check for a Samba connection.
:param computer_name: Remote computer name.
:param connection: Samba connection.
:return: A tuple with a string providing the status (pass, warn, fail) and the checks.
Checks are based on https://inadarei.github.io/rfc-healthcheck/
"""
try:
response = connection.echo(b"")
return (
"pass",
{
f"{computer_name}:echo": {
"componentType": connection.remote_name,
"observedValue": response.decode(),
"status": "pass",
"time": datetime.utcnow().isoformat(),
}
},
)
except Exception as e:
return (
"fail",
{
f"{computer_name}:echo": {
"componentType": connection.remote_name,
"status": "fail",
"time": datetime.utcnow().isoformat(),
"output": str(e),
}
},
)
def get_connection(self):
conn = SMBConnection(self.user_id,
self.password,
self.client_name,
self.server_name,
use_ntlm_v2=True,
is_direct_tcp=True)
try:
conn.connect(self.server_ip, 445)
print(conn.echo('SMB CONNECTED'))
self.conn = conn
except Exception as e:
print(e)
class Connection(komand.Connection):
def __init__(self):
self.conn = None
super(self.__class__, self).__init__(input=ConnectionSchema())
def connect(self, params):
username = params["credentials"]["username"]
password = params["credentials"]["password"]
host = params["host"]
port = params["port"]
netbios_name = params["netbios_name"]
domain = params.get("domain", None)
use_ntvlm_v2 = params.get("use_ntlmv2", True)
is_direct_tcp = True
if domain:
self.conn = SMBConnection(username, password, "InsightConnect", netbios_name, domain=domain,
use_ntlm_v2=use_ntvlm_v2, is_direct_tcp=is_direct_tcp)
else:
self.conn = SMBConnection(username, password, "InsightConnect", netbios_name, use_ntlm_v2=use_ntvlm_v2,
is_direct_tcp=is_direct_tcp)
try:
result = self.conn.connect(host, port, timeout=params.get(Input.TIMEOUT))
if not result:
error = "Failed to authenticate to SMB endpoint. Validate credentials and connection details."
raise Exception(error)
except socket.timeout:
raise Exception("Timeout reached when connecting to SMB endpoint. Validate network connectivity or "
"extend connection timeout")
except Exception as e:
self.logger.error(f"Error connecting to SMB endpoint: {e}")
raise
def test(self):
from komand.exceptions import ConnectionTestException
message = "Hello World"
try:
echo_response = self.conn.echo(message.encode())
except Exception as e:
raise ConnectionTestException(cause="Connectivity test to SMB server failed.", assistance=e)
if echo_response.decode() == message:
self.logger.info("Connectivity test to SMB server was successful")
return
else:
raise ConnectionTestException(cause="Connectivity test to SMB server failed.", assistance="echo response was not as expected")
raise RuntimeError('Cannot connect to host ' + target + '; looking up NetBIOS IP failed')
target_ip = ips[0]
if target_nb_name is None:
print('Looking up NetBIOS name from target IP: ' + target_ip)
nb_names = nb.queryIPForName(target_ip)
print('Got NB names: ' + str(nb_names))
if nb_names is None or len(nb_names) < 1:
raise RuntimeError('Cannot connect to host ' + target + '; looking up NetBIOS name failed')
target_nb_name = nb_names[0]
nb.close()
client_machine_name = socket.gethostbyaddr(socket.gethostname())[0]
# client_machine_name = ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(15))
# print('Generated client machine name: ' + client_machine_name + '\n')
domain = input('Enter domain [none]: ')
username = input('Enter username: '******'Enter password: '******'Could not connect to host ' + target + '; establishing connection failed')
if conn.echo('blah') != 'blah':
raise RuntimeError('Connection test (echo) failed')
conn.close()
if nb_names is None or len(nb_names) < 1:
raise RuntimeError('Cannot connect to host ' + target +
'; looking up NetBIOS name failed')
target_nb_name = nb_names[0]
nb.close()
client_machine_name = socket.gethostbyaddr(socket.gethostname())[0]
# client_machine_name = ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(15))
# print('Generated client machine name: ' + client_machine_name + '\n')
domain = input('Enter domain [none]: ')
username = input('Enter username: '******'Enter password: '******'Could not connect to host ' + target +
'; establishing connection failed')
if conn.echo('blah') != 'blah':
raise RuntimeError('Connection test (echo) failed')
conn.close()
