def __init__(self):
super(Stateful_thread, self).__init__()
self.os_type = common.get_os_type()
self.checks = checks.Checks()
self.controlchannel = controlchannel.ControlChannel()
# control message handlers
self.cmh_struct = {
# num : [string to look for, function, server(1) or client(0), return on success, return on failure]
# return value meanings: True - module continues
# False - module thread terminates
# in case of Stateless modules, the whole module terminates if the return value is False
0 : [common.CONTROL_CHECK, self.controlchannel.cmh_check_query, 1, True, False],
1 : [common.CONTROL_CHECK_RESULT, self.controlchannel.cmh_check_check, 0, True, False],
2 : [common.CONTROL_AUTH, self.controlchannel.cmh_auth, 1, True, False],
3 : [common.CONTROL_AUTH_OK, self.controlchannel.cmh_auth_ok, 0, True, False],
4 : [common.CONTROL_AUTH_NOTOK, self.controlchannel.cmh_auth_not_ok, 0, True, False],
5 : [common.CONTROL_LOGOFF, self.controlchannel.cmh_logoff, 1, False, False]
}
self.packet_writer = self.packet_writer_default
self.packet_reader = self.packet_reader_default
self.communication = self.communication_unix
if self.os_type == common.OS_WINDOWS:
self.packet_writer = self.packet_writer_win
self.communication = self.communication_win
self.packet_reader = None
if self.os_type == common.OS_MACOSX:
self.packet_writer = self.packet_writer_mac
self.packet_reader = self.packet_reader_mac
return
def __init__(self):
super(Stateless_module, self).__init__()
self.checks = checks.Checks()
self.timeout = 1.0
self.controlchannel = controlchannel.ControlChannel()
# control message handlers
self.cmh_struct = {
# num : [string to look for, function, server(1) or client(0), return on success, return on failure]
# return value meanings: True - module continues
# False - module thread terminates
# in case of Stateless modules, the whole module terminates if the return value is False
0: [
common.CONTROL_CHECK, self.controlchannel.cmh_check_query, 1,
True, True
],
1: [
common.CONTROL_CHECK_RESULT,
self.controlchannel.cmh_check_check, 0, True, False
],
2:
[common.CONTROL_INIT, self.controlchannel.cmh_init, 1, True, True],
3: [
common.CONTROL_INIT_DONE, self.controlchannel.cmh_init_done, 0,
True, False
],
4: [
common.CONTROL_LOGOFF, self.controlchannel.cmh_logoff, 1, True,
False
],
5: [
common.CONTROL_DUMMY_PACKET,
self.controlchannel.cmh_dummy_packet, 1, True, True
],
}
# reading/writing packets can be different based on the OS
self.packet_writer = self.packet_writer_default
self.packet_reader = self.packet_reader_default
# different communication function for Unix and Windows
self.communication = self.communication_unix
# setting up for Windows
if self.os_type == common.OS_WINDOWS:
self.packet_writer = self.packet_writer_win
self.communication = self.communication_win
self.packet_reader = None
# setting up for MacOS(X)
if self.os_type == common.OS_MACOSX:
self.packet_writer = self.packet_writer_mac
self.packet_reader = self.packet_reader_mac
return
def __init__(self):
super(Stateless_module, self).__init__()
self.timeout = 3.0
self.controlchannel = controlchannel.ControlChannel()
# control message handlers
self.cmh_struct = {
# num : [string to look for, function, server(1) or client(0), return on success, return on failure]
# return value meanings: True - module continues
# False - module thread terminates
# in case of Stateless modules, the whole module terminates if the return value is False
0: [
common.CONTROL_CHECK, self.controlchannel.cmh_check_query, 1,
True, True
],
1: [
common.CONTROL_CHECK_RESULT,
self.controlchannel.cmh_check_check, 0, True, False
],
2:
[common.CONTROL_AUTH, self.controlchannel.cmh_auth, 1, True, True],
3: [
common.CONTROL_AUTH_OK, self.controlchannel.cmh_auth_ok, 0,
True, False
],
4: [
common.CONTROL_AUTH_NOTOK, self.controlchannel.cmh_auth_not_ok,
0, True, False
],
5: [
common.CONTROL_LOGOFF, self.controlchannel.cmh_logoff, 1, True,
False
],
6: [
common.CONTROL_DUMMY_PACKET,
self.controlchannel.cmh_dummy_packet, 1, True, True
]
}
return
def per_interface(self, if_name):
"""
Run per interface that sniffing will run on as separate process
"""
#*** Instantiate Data Plane (DP) class:
self.dp = dp.DP(self.config)
#*** Instantiate Control Channel Class:
self.controlchannel = controlchannel.ControlChannel(
self, self.config, if_name, self.dp)
finished = 0
while not finished:
#*** Start Phase 1 connection to the controller:
phase1_connected = 0
self.logger.info("Phase 1 initiated for interface=%s", if_name)
while not phase1_connected:
result = self.controlchannel.phase1(self.api_base, if_name)
if not isinstance(result, dict):
self.logger.error(
"Phase 1 join to controller failed, "
"will retry, "
"interface=%s result=%s", if_name, result)
time.sleep(3)
phase1_connected = 0
continue
if not 'dpae2ctrl_mac' in result:
self.logger.error(
"Phase 1 join to controller failed, "
"will retry, "
"interface=%s", if_name)
time.sleep(3)
phase1_connected = 0
continue
else:
dpae2ctrl_mac = result['dpae2ctrl_mac']
ctrl2dpae_mac = result['ctrl2dpae_mac']
dpae_ethertype = result['dpae_ethertype']
location = result['location']
phase1_connected = 1
self.logger.info("Phase 1 active for interface=%s", if_name)
#*** Start Phase 2:
phase2_connected = 0
retries = 1
while phase1_connected and not phase2_connected:
self.logger.info("Phase 2 Negotiation interface=%s starting",
if_name)
phase2_connected = self.controlchannel.phase2(
location, if_name, dpae2ctrl_mac, ctrl2dpae_mac,
dpae_ethertype)
if phase2_connected:
self.logger.info("Phase 2 Active interface=%s", if_name)
else:
self.logger.info("Phase 2 retry number %s", retries)
time.sleep(3)
retries += 1
if retries > self.PHASE2_MAX_RETRIES:
self.logger.info("Phase 2 max retries exceeded, "
"restarting at Phase 1")
phase1_connected = 0
if not phase2_connected:
continue
#*** Start Phase 3:
phase3_connected = 0
retries = 1
while phase1_connected and phase2_connected and not \
phase3_connected:
self.logger.info(
"Phase 3 confirmation sniff starting"
"interface=%s", if_name)
phase3_connected = self.controlchannel.phase3(
location, if_name, dpae2ctrl_mac, ctrl2dpae_mac,
dpae_ethertype)
if phase3_connected:
self.logger.info("Phase 3 Active interface=%s", if_name)
else:
self.logger.info("Phase 3 retry number %s", retries)
time.sleep(3)
retries += 1
if retries > self.PHASE3_MAX_RETRIES:
self.logger.info("Phase 3 max retries exceeded, "
"restarting at Phase 1")
phase1_connected = 0
phase2_connected = 0
if not phase3_connected:
continue
#*** Start Phase 4:
phase4_services = 0
while phase1_connected and phase2_connected and phase3_connected \
and not phase4_services:
self.logger.info(
"Phase 4 services negotiation starting, "
"interface=%s", if_name)
phase4_services = self.controlchannel.phase4(location, if_name)
#*** Start Services:
if 'traffic_classification' in phase4_services:
self.logger.info("Phase 4 Traffic Classification service "
"starting")
self.cp_run(if_name, self.controlchannel, location)
