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# coding: utf8
% ProfinetIO layer test campaign
+ Syntax check
= Import the ProfinetIO layer
from scapy.contrib.pnio import *
from scapy.config import conf
import re
old_conf_dissector = conf.debug_dissector
conf.debug_dissector=True
+ Check DCE/RPC layer
= ProfinetIO default values
raw(ProfinetIO()) == b'\x00\x00'
= ProfinetIO overloads Ethertype
p = Ether() / ProfinetIO()
p.type == 0x8892
= ProfinetIO overloads UDP dport
p = UDP() / ProfinetIO()
p.dport == 0x8892
= Ether guesses ProfinetIO as payload class
p = Ether(hex_bytes('ffffffffffff00000000000088920102'))
isinstance(p.payload, ProfinetIO) and p.frameID == 0x0102
= UDP guesses ProfinetIO as payload class
p = UDP(hex_bytes('12348892000a00000102'))
isinstance(p.payload, ProfinetIO) and p.frameID == 0x0102
+ PNIO RTC PDU tests
= ProfinetIO PNIORealTime_IOxS parsing of a single status
p = PNIORealTime_IOxS(b'\x80')
assert p.dataState == 1
assert p.instance == 0
assert p.reserved == 0
assert p.extension == 0
p = PNIORealTime_IOxS(b'\xe1')
assert p.dataState == 1
assert p.instance == 3
assert p.reserved == 0
assert p.extension == 1
True
= ProfinetIO PNIORealTime_IOxS building of a single status
p = PNIORealTime_IOxS(dataState = 'good', instance='subslot', extension=0)
assert raw(p) == b'\x80'
p = PNIORealTime_IOxS(dataState = 'bad', instance='device', extension=1)
assert raw(p) == b'\x41'
True
= ProfinetIO PNIORealTime_IOxS parsing with multiple statuses
TestPacket = type(
'TestPacket',
(Packet,),
{
'name': 'TestPacket',
'fields_desc': [
PacketListField('data', [], next_cls_cb= PNIORealTime_IOxS.is_extension_set)
],
}
)
p = TestPacket(b'\x81\xe1\x01\x80')
assert len(p.data) == 4
assert p.data[0].dataState == 1
assert p.data[0].instance == 0
assert p.data[0].reserved == 0
assert p.data[0].extension == 1
assert p.data[1].dataState == 1
assert p.data[1].instance == 3
assert p.data[1].reserved == 0
assert p.data[1].extension == 1
assert p.data[2].dataState == 0
assert p.data[2].instance == 0
assert p.data[2].reserved == 0
assert p.data[2].extension == 1
assert p.data[3].dataState == 1
assert p.data[3].instance == 0
assert p.data[3].reserved == 0
assert p.data[3].extension == 0
= ProfinetIO RTC PDU parsing without configuration
p = Ether(b'\x00\x02\x04\x06\x08\x0a\x01\x03\x05\x07\x09\x0B\x88\x92\x80\x00\x01\x02\x03\x04\xf0\x00\x35\x00')
assert p[Ether].dst == '00:02:04:06:08:0a'
assert p[Ether].src == '01:03:05:07:09:0b'
assert p[Ether].type == 0x8892
assert p[ProfinetIO].frameID == 0x8000
assert isinstance(p[ProfinetIO].payload, PNIORealTimeCyclicPDU)
assert len(p[PNIORealTimeCyclicPDU].data) == 1
assert isinstance(p[PNIORealTimeCyclicPDU].data[0], PNIORealTimeCyclicDefaultRawData)
assert p[PNIORealTimeCyclicDefaultRawData].data == b'\x01\x02\x03\x04'
assert p[PNIORealTimeCyclicPDU].padding == b''
assert p[PNIORealTimeCyclicPDU].cycleCounter == 0xf000
assert p[PNIORealTimeCyclicPDU].dataStatus == 0x35
assert p[PNIORealTimeCyclicPDU].transferStatus == 0
True
= ProfinetIO RTC PDU building
p = Ether(src='01:03:05:07:09:0b', dst='00:02:04:06:08:0a')/ProfinetIO(frameID = 'PTCP-RTSyncPDU')/PNIORealTimeCyclicPDU(
data=[
PNIORealTimeCyclicPDU.build_fixed_len_raw_type(10)(data = b'\x80'*10)
],
padding = b'\x00'*8,
cycleCounter = 900,
dataStatus = 0x35,
transferStatus = 0
)
assert(
raw(p) == \
b'\x00\x02\x04\x06\x08\x0a' \
b'\x01\x03\x05\x07\x09\x0b' \
b'\x88\x92' \
b'\x00\x80' \
b'\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80' \
b'\x00\x00\x00\x00\x00\x00\x00\x00' \
b'\x03\x84' \
b'\x35' \
b'\x00'
)
= ProfinetIO RTC PDU parsing with config
scapy.config.conf.contribs['PNIO_RTC'][('01:03:05:07:09:0b', '00:02:04:06:08:0a', 0x8010)] = [
PNIORealTimeCyclicPDU.build_fixed_len_raw_type(5),
PNIORealTimeCyclicPDU.build_fixed_len_raw_type(3),
PNIORealTimeCyclicPDU.build_fixed_len_raw_type(2)
]
p = Ether(
b'\x00\x02\x04\x06\x08\x0a' \
b'\x01\x03\x05\x07\x09\x0B' \
b'\x88\x92' \
b'\x80\x10' \
b'\x01\x02\x03\x04\x05' \
b'\x01\x02\x03' \
b'\x01\x02' \
b'\x00\x00' \
b'\xf0\x00' \
b'\x35' \
b'\x00'
)
assert p[Ether].dst == '00:02:04:06:08:0a'
assert p[Ether].src == '01:03:05:07:09:0b'
assert p[Ether].type == 0x8892
assert p[ProfinetIO].frameID == 0x8010
assert isinstance(p[ProfinetIO].payload, PNIORealTimeCyclicPDU)
assert len(p[PNIORealTimeCyclicPDU].data) == 3
assert isinstance(p[PNIORealTimeCyclicPDU].data[0], scapy.config.conf.raw_layer)
assert p[PNIORealTimeCyclicPDU].data[0].data == b'\x01\x02\x03\x04\x05'
assert isinstance(p[PNIORealTimeCyclicPDU].data[1], scapy.config.conf.raw_layer)
assert p[PNIORealTimeCyclicPDU].data[1].data == b'\x01\x02\x03'
assert isinstance(p[PNIORealTimeCyclicPDU].data[2], scapy.config.conf.raw_layer)
assert p[PNIORealTimeCyclicPDU].data[2].data == b'\x01\x02'
assert p[PNIORealTimeCyclicPDU].padding == b'\x00' * 2
assert p[PNIORealTimeCyclicPDU].cycleCounter == 0xf000
assert p[PNIORealTimeCyclicPDU].dataStatus == 0x35
assert p[PNIORealTimeCyclicPDU].transferStatus == 0
p = Ether(b'\x00\x02\x04\x06\x08\x0a\x01\x03\x05\x07\x09\x0B\x88\x92\x80\x00\x01\x02\x03\x04\xf0\x00\x35\x00')
assert p[Ether].dst == '00:02:04:06:08:0a'
assert p[Ether].src == '01:03:05:07:09:0b'
assert p[Ether].type == 0x8892
assert p[ProfinetIO].frameID == 0x8000
assert isinstance(p[ProfinetIO].payload, PNIORealTimeCyclicPDU)
assert len(p[PNIORealTimeCyclicPDU].data) == 1
assert isinstance(p[PNIORealTimeCyclicPDU].data[0], PNIORealTimeCyclicDefaultRawData)
assert p[PNIORealTimeCyclicDefaultRawData].data == b'\x01\x02\x03\x04'
assert p[PNIORealTimeCyclicPDU].padding == b''
assert p[PNIORealTimeCyclicPDU].cycleCounter == 0xf000
assert p[PNIORealTimeCyclicPDU].dataStatus == 0x35
assert p[PNIORealTimeCyclicPDU].transferStatus == 0
True
= PROFIsafe parsing (query with F_CRC_SEED=0)
p = PROFIsafe.build_PROFIsafe_class(PROFIsafeControl, 2)(b'\x80\x80\x40\x01\x02\x03')
assert p.data == b'\x80\x80'
assert p.control == 0x40
assert p.crc == 0x010203
True
= PROFIsafe parsing (query with F_CRC_SEED=1)
p = PROFIsafe.build_PROFIsafe_class(PROFIsafeControlCRCSeed, 2)(b'\x80\x80\x40\x01\x02\x03\x04')
assert p.data == b'\x80\x80'
assert p.control == 0x40
assert p.crc == 0x01020304
True
= PROFIsafe parsing (response with F_CRC_SEED=0)
p = PROFIsafe.build_PROFIsafe_class(PROFIsafeStatus, 1)(b'\x80\x40\x01\x02\x03')
assert p.data == b'\x80'
assert p.status == 0x40
assert p.crc == 0x010203
True
= PROFIsafe parsing (response with F_CRC_SEED=1)
p = PROFIsafe.build_PROFIsafe_class(PROFIsafeStatusCRCSeed, 1)(b'\x80\x40\x01\x02\x03\x04')
assert p.data == b'\x80'
assert p.status == 0x40
assert p.crc == 0x01020304
True
= PROFIsafe building (query with F_CRC_SEED=0)
p = PROFIsafe.build_PROFIsafe_class(PROFIsafeControl, 2)(data = b'\x81\x80', control=0x40, crc=0x040506)
assert raw(p) == b'\x81\x80\x40\x04\x05\x06'
= PROFIsafe building (query with F_CRC_SEED=1)
p = PROFIsafe.build_PROFIsafe_class(PROFIsafeControlCRCSeed, 2)(data = b'\x81\x80', control=0x02, crc=0x04050607)
assert raw(p) == b'\x81\x80\x02\x04\x05\x06\x07'
= PROFIsafe building (response with F_CRC_SEED=0)
p = PROFIsafe.build_PROFIsafe_class(PROFIsafeStatus, 3)(data = b'\x01\x81\x00', status=0x01, crc=0x040506)
assert raw(p) == b'\x01\x81\x00\x01\x04\x05\x06'
= PROFIsafe building (response with F_CRC_SEED=1)
p = PROFIsafe.build_PROFIsafe_class(PROFIsafeStatusCRCSeed, 3)(data = b'\x01\x81\x80', status=0x01, crc=0x04050607)
assert raw(p) == b'\x01\x81\x80\x01\x04\x05\x06\x07'
conf.debug_dissector = old_conf_dissector
|
