def unconnected_send(self,
path,
route_path=None,
send_path=None,
timeout=None,
read_frag=None,
write_frag=None):
if route_path is None:
# Default to the CPU in chassis (link 0), port 1
route_path = [{'link': 0, 'port': 1}]
if send_path is None:
# Default to the Connection Manager
send_path = [{'class': 6}, {'instance': 1}]
assert isinstance(path, list)
data = cpppo.dotdict()
data.enip = {}
data.enip.session_handle = self.session
data.enip.options = 0
data.enip.status = 0
data.enip.sender_context = {}
data.enip.sender_context.input = bytearray([0x00] * 8)
data.enip.CIP = {}
data.enip.CIP.send_data = {}
sd = data.enip.CIP.send_data
sd.interface = 0
sd.timeout = 0
sd.CPF = {}
sd.CPF.item = [cpppo.dotdict(), cpppo.dotdict()]
sd.CPF.item[0].type_id = 0
sd.CPF.item[1].type_id = 178
sd.CPF.item[1].unconnected_send = {}
us = sd.CPF.item[1].unconnected_send
us.service = 82
us.status = 0
us.priority = 5
us.timeout_ticks = 157
us.path = {'segment': [cpppo.dotdict(d) for d in send_path]}
us.route_path = {'segment': [cpppo.dotdict(d) for d in route_path]}
us.request = {}
us.request.path = {'segment': [cpppo.dotdict(d) for d in path]}
if read_frag:
us.request.read_frag = read_frag
elif write_frag:
us.request.write_frag = write_frag
else:
raise ValueError("Expected a Read/Write Tag [Fragmented] request")
us.request.input = bytearray(logix.Logix.produce(us.request))
sd.input = bytearray(enip.CPF.produce(sd.CPF))
data.enip.input = bytearray(enip.CIP.produce(data.enip))
data.input = bytearray(enip.enip_encode(data.enip))
self.send(data.input, timeout=timeout)
return data
def logix_remote( count, svraddr, kwargs ):
try:
time.sleep(.25) # Wait for server to be established
# Confirm that a known Register encodes as expected
data = cpppo.dotdict()
data.enip = {}
data.enip.options = 0
data.enip.session_handle = 0
data.enip.status = 0
data.enip.sender_context = {}
data.enip.sender_context.input = bytearray( [0x00] * 8 )
data.enip.CIP = {}
data.enip.CIP.register = {}
data.enip.CIP.register.options = 0
data.enip.CIP.register.protocol_version = 1
data.enip.input = bytearray( enip.CIP.produce( data.enip ))
data.input = bytearray( enip.enip_encode( data.enip ))
log.normal( "Register Request: %r" % data )
assert bytes( data.input ) == rss_004_request
# Try to Register a real session, followed by commands
timeout = 5
begun = cpppo.timer()
cli = client.client( host=svraddr[0], port=svraddr[1] )
assert cli.writable( timeout=timeout )
elapsed = cpppo.timer() - begun
log.normal( "Client Connected in %7.3f/%7.3fs" % ( elapsed, timeout ))
begun = cpppo.timer()
with cli:
cli.register( timeout=timeout )
data,elapsed = client.await_response( cli, timeout=timeout )
log.normal( "Client Register Rcvd %7.3f/%7.3fs: %r", elapsed, timeout, data )
assert data is not None and 'enip.CIP.register' in data, "Failed to receive Register response"
assert data.enip.status == 0, "Register response indicates failure: %s" % data.enip.status
# Establish the EtherNet/IP "session handle" used by all further requests
cli.session = data.enip.session_handle
start = cpppo.timer()
with cli:
for _ in range( count ):
begun = cpppo.timer()
cli.read( path=[{'symbolic': 'SCADA'}, {'element': 12}],
elements=201, offset=2, timeout=timeout )
data,elapsed = client.await_response( cli, timeout=timeout )
log.normal( "Client ReadFrg. Rcvd %7.3f/%7.3fs: %r", elapsed, timeout, data )
duration = cpppo.timer() - start
log.warning( "Client ReadFrg. Average %7.3f TPS (%7.3fs ea)." % ( count / duration, duration / count ))
log.normal( "Signal shutdown w/ server.control in object %s", id( kwargs['server']['control'] ))
finally:
kwargs['server']['control'].done= True # Signal the server to terminate
def logix_remote( count, svraddr, kwargs ):
try:
time.sleep(.25) # Wait for server to be established
# Confirm that a known Register encodes as expected
data = cpppo.dotdict()
data.enip = {}
data.enip.options = 0
data.enip.session_handle = 0
data.enip.status = 0
data.enip.sender_context = {}
data.enip.sender_context.input = bytearray( [0x00] * 8 )
data.enip.CIP = {}
data.enip.CIP.register = {}
data.enip.CIP.register.options = 0
data.enip.CIP.register.protocol_version = 1
data.enip.input = bytearray( enip.CIP.produce( data.enip ))
data.input = bytearray( enip.enip_encode( data.enip ))
log.normal( "Register Request: %r" % data )
assert bytes( data.input ) == rss_004_request
# Try to Register a real session, followed by commands
timeout = 5
begun = cpppo.timer()
cli = client.client( host=svraddr[0], port=svraddr[1] )
assert cli.writable( timeout=timeout )
elapsed = cpppo.timer() - begun
log.normal( "Client Connected in %7.3f/%7.3fs" % ( elapsed, timeout ))
begun = cpppo.timer()
with cli:
cli.register( timeout=timeout )
data,elapsed = client.await( cli, timeout=timeout )
log.normal( "Client Register Rcvd %7.3f/%7.3fs: %r", elapsed, timeout, data )
assert data is not None and 'enip.CIP.register' in data, "Failed to receive Register response"
assert data.enip.status == 0, "Register response indicates failure: %s" % data.enip.status
# Establish the EtherNet/IP "session handle" used by all further requests
cli.session = data.enip.session_handle
start = cpppo.timer()
with cli:
for _ in range( count ):
begun = cpppo.timer()
cli.read( path=[{'symbolic': 'SCADA'}, {'element': 12}],
elements=201, offset=2, timeout=timeout )
data,elapsed = client.await( cli, timeout=timeout )
log.normal( "Client ReadFrg. Rcvd %7.3f/%7.3fs: %r", elapsed, timeout, data )
duration = cpppo.timer() - start
log.warning( "Client ReadFrg. Average %7.3f TPS (%7.3fs ea)." % ( count / duration, duration / count ))
log.normal( "Signal shutdown w/ server.control in object %s", id( kwargs['server']['control'] ))
finally:
kwargs['server']['control'].done= True # Signal the server to terminate
def unconnected_send( self, path, route_path=None, send_path=None, timeout=None,
read_frag=None, write_frag=None ):
if route_path is None:
# Default to the CPU in chassis (link 0), port 1
route_path = [{'link': 0, 'port': 1}]
if send_path is None:
# Default to the Connection Manager
send_path = [{'class': 6}, {'instance': 1}]
assert isinstance( path, list )
data = cpppo.dotdict()
data.enip = {}
data.enip.session_handle= self.session
data.enip.options = 0
data.enip.status = 0
data.enip.sender_context= {}
data.enip.sender_context.input = bytearray( [0x00] * 8 )
data.enip.CIP = {}
data.enip.CIP.send_data = {}
sd = data.enip.CIP.send_data
sd.interface = 0
sd.timeout = 0
sd.CPF = {}
sd.CPF.item = [ cpppo.dotdict(), cpppo.dotdict() ]
sd.CPF.item[0].type_id = 0
sd.CPF.item[1].type_id = 178
sd.CPF.item[1].unconnected_send = {}
us = sd.CPF.item[1].unconnected_send
us.service = 82
us.status = 0
us.priority = 5
us.timeout_ticks = 157
us.path = { 'segment': [ cpppo.dotdict( d ) for d in send_path ]}
us.route_path = { 'segment': [ cpppo.dotdict( d ) for d in route_path ]}
us.request = {}
us.request.path = { 'segment': [ cpppo.dotdict( d ) for d in path ]}
if read_frag:
us.request.read_frag= read_frag
elif write_frag:
us.request.write_frag= write_frag
else:
raise ValueError( "Expected a Read/Write Tag [Fragmented] request" )
us.request.input = bytearray( logix.Logix.produce( us.request ))
sd.input = bytearray( enip.CPF.produce( sd.CPF ))
data.enip.input = bytearray( enip.CIP.produce( data.enip ))
data.input = bytearray( enip.enip_encode( data.enip ))
self.send( data.input, timeout=timeout )
return data
def unconnected_send(self, request, route_path=None, send_path=None, timeout=None):
if route_path is None:
# Default to the CPU in chassis (link 0), port 1
route_path = [{"link": 0, "port": 1}]
if send_path is None:
# Default to the Connection Manager
send_path = [{"class": 6}, {"instance": 1}]
assert isinstance(request, dict)
data = cpppo.dotdict()
data.enip = {}
data.enip.session_handle = self.session
data.enip.options = 0
data.enip.status = 0
data.enip.sender_context = {}
data.enip.sender_context.input = bytearray([0x00] * 8)
data.enip.CIP = {}
data.enip.CIP.send_data = {}
sd = data.enip.CIP.send_data
sd.interface = 0
sd.timeout = 0
sd.CPF = {}
sd.CPF.item = [cpppo.dotdict(), cpppo.dotdict()]
sd.CPF.item[0].type_id = 0
sd.CPF.item[1].type_id = 178
sd.CPF.item[1].unconnected_send = {}
us = sd.CPF.item[1].unconnected_send
us.service = 82
us.status = 0
us.priority = 5
us.timeout_ticks = 157
us.path = {"segment": [cpppo.dotdict(d) for d in send_path]}
us.route_path = {"segment": [cpppo.dotdict(d) for d in route_path]}
us.request = request
log.detail("Client Unconnected Send: %s", enip.enip_format(data))
us.request.input = bytearray(logix.Logix.produce(us.request))
sd.input = bytearray(enip.CPF.produce(sd.CPF))
data.enip.input = bytearray(enip.CIP.produce(data.enip))
data.input = bytearray(enip.enip_encode(data.enip))
self.send(data.input, timeout=timeout)
return data
def register(self, timeout=None):
data = cpppo.dotdict()
data.enip = {}
data.enip.session_handle = 0
data.enip.options = 0
data.enip.status = 0
data.enip.sender_context = {}
data.enip.sender_context.input = bytearray([0x00] * 8)
data.enip.CIP = {}
data.enip.CIP.register = {}
data.enip.CIP.register.options = 0
data.enip.CIP.register.protocol_version = 1
data.enip.input = bytearray(enip.CIP.produce(data.enip))
data.input = bytearray(enip.enip_encode(data.enip))
self.send(data.input, timeout=timeout)
return data
def register(self, timeout=None):
data = cpppo.dotdict()
data.enip = {}
data.enip.session_handle = 0
data.enip.options = 0
data.enip.status = 0
data.enip.sender_context = {}
data.enip.sender_context.input = bytearray([0x00] * 8)
data.enip.CIP = {}
data.enip.CIP.register = {}
data.enip.CIP.register.options = 0
data.enip.CIP.register.protocol_version = 1
data.enip.input = bytearray(enip.CIP.produce(data.enip))
data.input = bytearray(enip.enip_encode(data.enip))
self.send(data.input, timeout=timeout)
return data
def logix_remote( count, svraddr, kwargs ):
time.sleep(.25)
data = cpppo.dotdict()
data.enip = {}
data.enip.options = 0
data.enip.session_handle = 0
data.enip.status = 0
data.enip.sender_context = {}
data.enip.sender_context.input = bytearray( [0x00] * 8 )
#array.array( cpppo.type_bytes_array_symbol, "\x00" * 8 )
data.enip.CIP = {}
data.enip.CIP.register = {}
data.enip.CIP.register.options = 0
data.enip.CIP.register.protocol_version = 1
data.enip.input = bytearray( enip.CIP.produce( data.enip ))
data.input = bytearray( enip.enip_encode( data.enip ))
log.normal( "Register Request: %r" % data )
assert bytes( data.input ) == rss_004_request
timeout = 5
begun = cpppo.timer()
cli = client.client( host=svraddr[0], port=svraddr[1] )
assert cli.writable( timeout=timeout )
elapsed = cpppo.timer() - begun
log.normal( "Client Connected in %7.3f/%7.3fs" % ( elapsed, timeout ))
begun = cpppo.timer()
request = cli.register( timeout=timeout )
elapsed = cpppo.timer() - begun
log.normal( "Client Register Sent %7.3f/%7.3fs: %r" % ( elapsed, timeout, request ))
for data in cli:
elapsed = cpppo.timer() - begun
log.detail( "Client Register Resp %7.3f/%7.3fs: %r" % ( elapsed, timeout, data ))
if data is None:
if elapsed <= timeout:
cli.readable( timeout=timeout - elapsed )
continue
break
elapsed = cpppo.timer() - begun
log.normal( "Client Register Rcvd %7.3f/%7.3fs: %r" % ( elapsed, timeout, data ))
assert data is not None and 'enip.CIP.register' in data, "Failed to receive Register response"
assert data.enip.status == 0, "Register response indicates failure: %s" % data.enip.status
cli.session = data.enip.session_handle
start = cpppo.timer()
for _ in range( count ):
begun = cpppo.timer()
request = cli.read( path=[{'symbolic': 'SCADA'}, {'element': 12}],
elements=1, offset=0, timeout=timeout )
elapsed = cpppo.timer() - begun
log.normal( "Client ReadFrg. Sent %7.3f/%7.3fs: %r" % ( elapsed, timeout, request ))
for data in cli:
elapsed = cpppo.timer() - begun
log.detail( "Client ReadFrg. Resp %7.3f/%7.3fs: %r" % ( elapsed, timeout, data ))
if data is None:
if elapsed <= timeout:
cli.readable( timeout=timeout - elapsed )
continue
break
elapsed = cpppo.timer() - begun
log.normal( "Client ReadFrg. Rcvd %7.3f/%7.3fs: %r" % ( elapsed, timeout, data ))
duration = cpppo.timer() - start
log.warning( "Client ReadFrg. Average %7.3f TPS (%7.3fs ea)." % ( count / duration, duration / count ))
kwargs['server'].control.done= True
def logix_remote(count, svraddr, kwargs):
time.sleep(.25)
data = cpppo.dotdict()
data.enip = {}
data.enip.options = 0
data.enip.session_handle = 0
data.enip.status = 0
data.enip.sender_context = {}
data.enip.sender_context.input = bytearray([0x00] * 8)
#array.array( cpppo.type_bytes_array_symbol, "\x00" * 8 )
data.enip.CIP = {}
data.enip.CIP.register = {}
data.enip.CIP.register.options = 0
data.enip.CIP.register.protocol_version = 1
data.enip.input = bytearray(enip.CIP.produce(data.enip))
data.input = bytearray(enip.enip_encode(data.enip))
log.normal("Register Request: %r" % data)
assert bytes(data.input) == rss_004_request
timeout = 5
begun = cpppo.timer()
cli = client.client(host=svraddr[0], port=svraddr[1])
assert cli.writable(timeout=timeout)
elapsed = cpppo.timer() - begun
log.normal("Client Connected in %7.3f/%7.3fs" % (elapsed, timeout))
begun = cpppo.timer()
request = cli.register(timeout=timeout)
elapsed = cpppo.timer() - begun
log.normal("Client Register Sent %7.3f/%7.3fs: %r" %
(elapsed, timeout, request))
for data in cli:
elapsed = cpppo.timer() - begun
log.detail("Client Register Resp %7.3f/%7.3fs: %r" %
(elapsed, timeout, data))
if data is None:
if elapsed <= timeout:
cli.readable(timeout=timeout - elapsed)
continue
break
elapsed = cpppo.timer() - begun
log.normal("Client Register Rcvd %7.3f/%7.3fs: %r" %
(elapsed, timeout, data))
assert data is not None and 'enip.CIP.register' in data, "Failed to receive Register response"
assert data.enip.status == 0, "Register response indicates failure: %s" % data.enip.status
cli.session = data.enip.session_handle
start = cpppo.timer()
for _ in range(count):
begun = cpppo.timer()
request = cli.read(path=[{
'symbolic': 'SCADA'
}, {
'element': 12
}],
elements=1,
offset=0,
timeout=timeout)
elapsed = cpppo.timer() - begun
log.normal("Client ReadFrg. Sent %7.3f/%7.3fs: %r" %
(elapsed, timeout, request))
for data in cli:
elapsed = cpppo.timer() - begun
log.detail("Client ReadFrg. Resp %7.3f/%7.3fs: %r" %
(elapsed, timeout, data))
if data is None:
if elapsed <= timeout:
cli.readable(timeout=timeout - elapsed)
continue
break
elapsed = cpppo.timer() - begun
log.normal("Client ReadFrg. Rcvd %7.3f/%7.3fs: %r" %
(elapsed, timeout, data))
duration = cpppo.timer() - start
log.warning("Client ReadFrg. Average %7.3f TPS (%7.3fs ea)." %
(count / duration, duration / count))
kwargs['server'].control.done = True
def test_CIP_HART(repeat=1):
"""HART protocol enip CIP messages
"""
enip.lookup_reset() # Flush out any existing CIP Objects for a fresh start
ENIP = enip.enip_machine(context='enip')
CIP = enip.CIP()
# We'll use a HART Message Router, to handle its expanded porfolio of commands
MR = HART(instance_id=1)
for pkt, tst in client.recycle(CIP_HART_tests, times=repeat):
# Parse just the CIP portion following the EtherNet/IP encapsulation header
data = cpppo.dotdict()
source = cpppo.chainable(pkt)
with ENIP as machine:
for i, (m, s) in enumerate(machine.run(source=source, data=data)):
log.detail("%s #%3d -> %10.10s; next byte %3d: %-10.10r: %r",
machine.name_centered(), i, s, source.sent,
source.peek(), data)
# In a real protocol implementation, an empty header (EOF with no input at all) is
# acceptable; it indicates a session closed by the client.
if not data:
log.normal("EtherNet/IP Request: Empty (session terminated): %s",
enip.enip_format(data))
continue
if log.isEnabledFor(logging.NORMAL):
log.normal("EtherNet/IP Request: %s", enip.enip_format(data))
# Parse the encapsulated .input
with CIP as machine:
for i, (m, s) in enumerate(
machine.run(path='enip',
source=cpppo.peekable(
data.enip.get('input', b'')),
data=data)):
log.detail("%s #%3d -> %10.10s; next byte %3d: %-10.10r: %r",
machine.name_centered(), i, s, source.sent,
source.peek(), data)
if log.isEnabledFor(logging.NORMAL):
log.normal("EtherNet/IP CIP Request: %s", enip.enip_format(data))
# Assume the request in the CIP's CPF items are HART requests.
# Now, parse the encapsulated message(s). We'll assume it is destined for a HART Object.
if 'enip.CIP.send_data' in data:
for item in data.enip.CIP.send_data.CPF.item:
if 'unconnected_send.request' in item:
# An Unconnected Send that contained an encapsulated request (ie. not just a Get
# Attribute All)
with MR.parser as machine:
if log.isEnabledFor(logging.NORMAL):
log.normal(
"Parsing %3d bytes using %s.parser, from %s",
len(item.unconnected_send.request.input), MR,
enip.enip_format(item))
# Parse the unconnected_send.request.input octets, putting parsed items into the
# same request context
for i, (m, s) in enumerate(
machine.run(
source=cpppo.peekable(
item.unconnected_send.request.input),
data=item.unconnected_send.request)):
log.detail(
"%s #%3d -> %10.10s; next byte %3d: %-10.10r: %r",
machine.name_centered(), i, s, source.sent,
source.peek(), data)
# Post-processing of some parsed items is only performed after lock released!
if log.isEnabledFor(logging.NORMAL):
log.normal(
"Parsed %3d bytes using %s.parser, into %s",
len(item.unconnected_send.request.input), MR,
enip.enip_format(data))
try:
for k, v in tst.items():
assert data[k] == v, ("data[%r] == %r\n"
"expected: %r" % (k, data[k], v))
except:
log.warning("%r not in data, or != %r: %s", k, v,
enip.enip_format(data))
raise
# Ensure that we can get the original EtherNet/IP CIP back
for k in list(data.keys()):
if k.endswith('input') and 'sender_context' not in k:
log.detail("del data[%r]", k)
del data[k]
try:
# First reconstruct any SendRRData CPF items, containing encapsulated requests/responses
if 'enip.CIP.send_data' in data:
cpf = data.enip.CIP.send_data
for item in cpf.CPF.item:
if 'unconnected_send' in item:
item.unconnected_send.request.input = bytearray(
MR.produce(item.unconnected_send.request))
log.normal("Produce HART message from: %r",
item.unconnected_send.request)
# Next, reconstruct the CIP Register, ListIdentity, ListServices, or SendRRData. The CIP.produce must
# be provided the EtherNet/IP header, because it contains data (such as .command)
# relevant to interpreting the .CIP... contents.
data.enip.input = bytearray(enip.CIP.produce(data.enip))
# And finally the EtherNet/IP encapsulation itself
data.input = bytearray(enip.enip_encode(data.enip))
log.detail("EtherNet/IP CIP Request produced payload: %r",
bytes(data.input))
assert data.input == pkt, "original:\n" + hexdump(
pkt) + "\nproduced:\n" + hexdump(data.input)
except Exception as exc:
log.warning(
"Exception %s; Invalid packet produced from EtherNet/IP CIP data: %s",
exc, enip.enip_format(data))
raise