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configuration_to_peach.py
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configuration_to_peach.py
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#!/usr/bin/python
# Automotive configuration file scripts
# Copyright (C) 2015-2023 Dr. Lars Voelker
# Copyright (C) 2018-2019 Dr. Lars Voelker, BMW AG
# Copyright (C) 2020-2023 Dr. Lars Voelker, Technica Engineering GmbH
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import sys
import time
import os.path
import argparse
from parser_dispatcher import * # @UnusedWildImport
from configuration_base_classes import * # @UnusedWildImport
class PeachConfigurationFactory(BaseConfigurationFactory):
def __init__(self):
self.__services__ = dict()
self.__services_long__ = dict()
self.__ecus__ = dict()
def create_ecu(self, name, controllers):
ret = BaseECU(name, controllers)
assert (name not in self.__ecus__)
self.__ecus__[name] = ret
return ret
def create_someip_service(self, name, serviceid, majorver, minorver, methods, events, fields, eventgroups):
ret = SOMEIPBaseService(name, serviceid, majorver, minorver, methods, events, fields, eventgroups)
print("Adding Service(ID: 0x%04x Ver: %d.%d)" % (serviceid, majorver, minorver))
# assert(self.add_service(serviceid, majorver, minorver, ret))
self.add_service(serviceid, majorver, minorver, ret)
return ret
def create_someip_parameter(self, position, name, desc, mandatory, datatype, signal):
ret = SOMEIPParameter(position, name, desc, mandatory, datatype, signal)
return ret
def create_someip_parameter_basetype(self, name, datatype, bigendian, bitlength_basetype, bitlength_encoded_type):
ret = SOMEIPParameterBasetype(name, datatype, bigendian, bitlength_basetype, bitlength_encoded_type)
return ret
def create_someip_parameter_string(self, name, chartype, bigendian, lowerlimit, upperlimit, termination,
length_of_length, pad_to):
ret = SOMEIPParameterString(name, chartype, bigendian, lowerlimit, upperlimit, termination,
length_of_length, pad_to)
return ret
def create_someip_parameter_array(self, name, dims, child):
ret = SOMEIPParameterArray(name, dims, child)
return ret
def create_someip_parameter_struct(self, name, length_of_length, pad_to, members, tlv=False):
ret = SOMEIPParameterStruct(name, length_of_length, pad_to, members, tlv)
return ret
def create_someip_parameter_typedef(self, name, name2, child):
ret = SOMEIPParameterTypedef(name, name2, child)
return ret
def create_someip_parameter_enumeration(self, name, items, child):
ret = SOMEIPParameterEnumeration(name, items, child)
return ret
def create_someip_parameter_union(self, name, length_of_length, length_of_type, pad_to, members):
ret = SOMEIPParameterUnion(name, length_of_length, length_of_type, pad_to, members)
return ret
def add_service(self, serviceid, majorver, minorver, service):
sid = "%04x-%02x-%08x" % (serviceid, majorver, minorver)
if sid in self.__services_long__:
print("ERROR: Service (SID: 0x%04x, Major-Ver: %d, Minor-Ver: %d) already exists! Not overriding it!" %
(serviceid, majorver, minorver))
return False
self.__services_long__[sid] = service
sid = "%04x-%02x" % (serviceid, majorver)
if sid in self.__services__:
print("ERROR: Service (SID: 0x%04x, Major-Ver: %d) already exists with a different Minor Version (not %d)!"
" Not overriding it!" % (serviceid, majorver, minorver))
return False
self.__services__[sid] = service
return True
def get_service(self, serviceid, majorver, minorver=None):
if minorver is None:
sid = "%04x-%02x" % (serviceid, majorver)
if sid in self.__services__:
return self.__services__[sid]
else:
return None
else:
sid = "%04x-%02x-%08x" % (serviceid, majorver, minorver)
if sid in self.__services_long__:
return self.__services_long__[sid]
else:
return None
def generate_configs(self, target_dir):
for ecukey in sorted(self.__ecus__.keys()):
ecu = self.__ecus__[ecukey]
# ecu_name = ecu.name()
for ctrl in ecu.controllers():
for iface in ctrl.interfaces():
vlanid = int(iface.vlanid())
# vlanname = iface.vlanname()
for socket in iface.sockets():
# ip = socket.ip()
# portnumber = socket.portnumber()
# proto = socket.proto()
# print "%s eth0.%d %s:%d/%s" % (ecu_name, vlanid, ip, portnumber, proto)
for si in socket.instances():
serv = si.service()
for m in serv.methods():
self.write_configfile_method_request(target_dir, ecu, vlanid, socket, si,
serv.methods()[m], "-Request")
for e in serv.events():
self.write_configfile_event(target_dir, ecu, vlanid, socket, si,
serv.events()[e], "-Event")
for f in serv.fields():
field = serv.fields()[f]
if field.notifier() is not None:
self.write_configfile_event(target_dir, ecu, vlanid, socket, si,
field.notifier(), "")
# getter has empty request anyhow
if field.getter() is not None:
self.write_configfile_method_request(target_dir, ecu, vlanid, socket, si,
field.getter(), "-Request")
if field.setter() is not None:
self.write_configfile_method_request(target_dir, ecu, vlanid, socket, si,
field.setter(), "-Request")
def write_configfile_method_request(self, target_dir, ecu, vlanid, socket, si, method, postfix):
if (socket.proto() == "udp" and not method.reliable()) or (socket.proto() == "tcp" and method.reliable()):
if method.calltype() == "REQUEST_RESPONSE":
msgtype = 0x00
elif method.calltype() == "FIRE_AND_FORGET":
msgtype = 0x01
else:
print("ERROR: cannot figure out calltype of Method: %s 0x%04x 0x%04x" %
(method.name(), method.methodid(), si.service().serviceid()))
msgtype = 0xff
filename = "SOMEIP-%s-0x%04x-0x%04x-%s%s.xml" % \
(ecu.name(), si.service().serviceid(), method.methodid(), method.name(), postfix)
print(" writing file %s" % filename)
f = open(os.path.join(target_dir, filename), "w")
msgname = method.name() + postfix
# peach is somewhat picky about names :-(
msgname = msgname.replace("-", "").replace("_", "")
self.write_header(f, msgname, si.service().serviceid(), method.methodid(), si.protover(),
si.service().majorversion(), msgtype, 0)
for param in method.inparams():
self.write_parameter(f, param)
self.write_footer(f, msgname, self.capdevstring(vlanid),
self.filterstring(socket.proto(), socket.portnumber()),
self.publisherstring(socket.proto()), socket.ip(), socket.portnumber())
f.close()
def write_configfile_event(self, target_dir, ecu, vlanid, socket, si, event, postfix):
if (socket.proto() == "udp" and not event.reliable()) or (socket.proto() == "tcp" and event.reliable()):
filename = "SOMEIP-%s-0x%04x-0x%04x-%s%s.xml" % \
(ecu.name(), si.service().serviceid(), event.methodid(), event.name(), postfix)
print(" writing file %s" % filename)
f = open(os.path.join(target_dir, filename), "w")
msgname = event.name() + postfix
# peach is somewhat picky about names :-(
msgname = msgname.replace("-", "").replace("_", "")
self.write_header(f, msgname, si.service().serviceid(), event.methodid(), si.protover(),
si.service().majorversion(), 0x02, 0)
for param in event.params():
self.write_parameter(f, param)
self.write_footer(f, msgname, self.capdevstring(vlanid),
self.filterstring(socket.proto(), socket.portnumber()),
self.publisherstring(socket.proto()), socket.ip(), socket.portnumber())
f.close()
@staticmethod
def write_parameter(f, param):
param.peachout(f)
@staticmethod
def write_header(f, msgname, serviceid, methodid, protover, interfacever, msgtype, returncode):
xml_header = """<?xml version="1.0" encoding="utf-8"?>
<Peach xmlns="http://peachfuzzer.com/2012/Peach" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://peachfuzzer.com/2012/Peach ../peach.xsd">
"""
# start with SOME/IP Header
f.write(xml_header + "\n")
f.write(" <DataModel name=\"%s\" mutable=\"false\">\n" % msgname)
f.write(" <Block name=\"Magic\" mutable=\"false\">\n")
# Service ID
f.write(" <Number name=\"ServiceId\" size=\"16\" signed=\"false\" value=\"0x%04x\" mutable=\"false\" "
"valueType=\"hex\" endian=\"big\" />\n" % serviceid)
# Method ID
f.write(" <Number name=\"MethodId\" size=\"16\" signed=\"false\" value=\"0x%04x\" mutable=\"false\" "
"valueType=\"hex\" endian=\"big\" />\n" % methodid)
block = """ <!-- Length of Payload -->
<Number name="Len" size="32" mutable="false" endian="big">
<Relation type="size" of="Payload" />
</Number>
</Block>
<Block name="Payload">
<Block name="Header" mutable="false">
<!-- Random RequestId -->
<Number name="RequestId" size="32" endian="big">
<Fixup class="SequenceRandomFixup" />
</Number>
"""
f.write(block)
# last header line
f.write(
" <Number name=\"ProtocolVersion\" size=\"8\" value=\"0x%02x\" mutable=\"false\" valueType=\"hex\" endian=\"big\" />\n" % (
protover))
f.write(
" <Number name=\"InterfaceVersion\" size=\"8\" value=\"0x%02x\" mutable=\"false\" valueType=\"hex\" endian=\"big\" />\n" % (
interfacever))
f.write(
" <Number name=\"MessageType\" size=\"8\" value=\"0x%02x\" mutable=\"false\" valueType=\"hex\" endian=\"big\" />\n" % (
msgtype))
f.write(
" <Number name=\"ReturnCode\" size=\"8\" value=\"0x%02x\" mutable=\"false\" valueType=\"hex\" endian=\"big\" />\n" % (
returncode))
block = """ </Block>
<Block name="DataBytes" minOccurs=\"1\" maxOccurs=\"1\" >
"""
f.write(block)
@staticmethod
def capdevstring(vlanid):
return "eth0.%d" % vlanid
@staticmethod
def filterstring(proto, portnumber):
if portnumber == -1:
portnumber = 30491
return "%s and port %d" % (proto, portnumber)
@staticmethod
def publisherstring(proto):
if proto == "udp":
return "Udp"
if proto == "tcp":
return "Tcp"
return None
@staticmethod
def write_footer(f, msgname, capdev, capfilter, publisher, ip, portnumber):
block = """ </Block>
</Block>
</DataModel>
<StateModel name="TestState" initialState="Initial">
<State name="Initial">
<Action type="output" name="InitialOutput">
"""
f.write(block)
f.write(" <DataModel ref=\"%s\" />\n" % msgname)
block = """ </Action>
</State>
</StateModel>
<Agent name="Local">
<Monitor class="Pcap">
"""
f.write(block)
f.write(" <Param name=\"Device\" value=\"%s\" />\n" % capdev)
f.write(" <Param name=\"Filter\" value=\"%s\" />\n" % capfilter)
block = """ </Monitor>
</Agent>
<Test name="Default">
<StateModel ref="TestState" />
<Exclude/>
<Include xpath="//DataBytes" />
"""
f.write(block)
f.write(" <Publisher class=\"%s\">\n" % publisher)
f.write(" <Param name=\"Host\" value=\"%s\" />\n" % ip)
f.write(" <Param name=\"Port\" value=\"%s\" />\n" % portnumber)
block = """ </Publisher>
<Strategy class="Random">
<Param name="MaxFieldsToMutate" value="5" />
<Param name="SwitchCount" value="50" />
</Strategy>
<Logger class="File">
<Param name="Path" value="Logs" />
</Logger>
</Test>
</Peach>
"""
f.write(block + "\n")
class SOMEIPParameter(SOMEIPBaseParameter):
def peachout(self, f):
if self.__datatype__ is not None:
self.__datatype__.peachout(f, 4, self.name(), 1, 1)
class SOMEIPParameterBasetype(SOMEIPBaseParameterBasetype):
def peachout(self, f, indent, paramname, minnum, maxnum):
endian = "little"
if self.bigendian():
endian = "big"
f.write("%s<Number name=\"%s\" size=\"%d\" endian=\"%s\" minOccurs=\"%d\" maxOccurs=\"%d\" />\n" %
(indent * " ", paramname, self.__bitlength_encoded_type__, endian, minnum, maxnum))
class SOMEIPParameterString(SOMEIPBaseParameterString):
def peachout_bom(self, f, indent, blockid):
identtabs = indent * " "
t = self.__chartype__
if t.upper() == "UTF-8":
f.write("%s<Number name=\"%s_BOM1\" size=\"8\" value=\"0xEF\" minOccurs=\"1\" maxOccurs=\"1\" />\n" %
(identtabs, blockid))
f.write("%s<Number name=\"%s_BOM2\" size=\"8\" value=\"0xBB\" minOccurs=\"1\" maxOccurs=\"1\" />\n" %
(identtabs, blockid))
f.write("%s<Number name=\"%s_BOM3\" size=\"8\" value=\"0xBF\" minOccurs=\"1\" maxOccurs=\"1\" />\n" %
(identtabs, blockid))
return 3
elif t.upper() == "UTF-16":
endian = "big" if self.__bigendian__ else "little"
f.write("%s<Number name=\"%s_BOM\" size=\"16\" value=\"0xFEFF\" endian=\"%s\" minOccurs=\"1\" "
"maxOccurs=\"1\" />\n" % (identtabs, blockid, endian))
return 2
print("ERROR: Cannot generate BOM for this string %s" % (self.name()))
return 0
def peachout(self, f, indent, paramname, minnum, maxnum):
identtabs = indent * " "
endian = "BE"
if not self.__bigendian__:
endian = "LE"
t = self.__chartype__
if t.upper() == "UTF-8":
t = "utf8"
elif t.upper() == "UTF-16":
if endian == "BE":
t = "utf16be"
else:
t = "utf16"
elif t.upper() == "ASCII":
t = "ascii"
else:
# its probably wrong. but we leave it
pass
if self.__termination__ == "ZERO":
term = "nullTerminated=\"true\""
else:
print("WARNING: unknown termination for string: %s" % self.__termination__)
term = ""
blockid = "String_%s_%x" % (paramname, id(self))
if self.__lengthOfLength__ != 0:
f.write("%s<Number name=\"%s_Len\" size=\"%d\" endian=\"big\" minOccurs=\"1\" maxOccurs=\"1\" >\n" %
(identtabs, blockid, self.__lengthOfLength__))
f.write("%s <Relation type=\"size\" of=\"%s\" />\n" % (identtabs, blockid))
f.write("%s</Number>\n" % identtabs)
f.write("%s<Block name=\"%s\" minOccurs=\"1\" maxOccurs=\"1\" >\n" % (identtabs, blockid))
if self.__lengthOfLength__ != 0:
f.write("%s <!-- String %s %s %s (%d..%d) len:%d pad:%d %s -->\n" %
(identtabs, self.__name__, self.__chartype__, endian, self.__lowerlimit__, self.__upperlimit__,
self.__lengthOfLength__, self.__padTo__, term))
if self.__padTo__ != 0:
print("ERROR: String %s has padto set to %d but we do not support!!" % (self.name(), self.__padTo__))
f.write("%s<!-- Padto Parameter set to %d! -->" % (identtabs, self.__padTo__))
bomlen = self.peachout_bom(f, indent + 1, blockid)
lower = self.__lowerlimit__ - bomlen
upper = self.__upperlimit__ - bomlen
if lower < 0:
lower = 0
if upper < 1:
print("ERROR: String %s does not have valid length." % (self.name()))
f.write("%s <!-- UPPER LIMIT INCORRECT!!! upper:%d after BOM correction %d -->\n" %
(identtabs, upper, bomlen))
f.write("%s <String name=\"%s_string\" type=\"%s\" %s minOccurs=\"1\" maxOccurs=\"1\" />\n" %
(identtabs, blockid, t, term))
else:
# fixed length string
assert (self.__lowerlimit__ == self.__upperlimit__)
bomlen = self.peachout_bom(f, indent + 1, blockid)
lower = self.__lowerlimit__ - bomlen
if lower < 1:
print("ERROR: String %s does not have valid length." % (self.name()))
f.write("%s <String name=\"%s_string\" type=\"%s\" length=\"%d\" %s minOccurs=\"1\" maxOccurs=\"1\" />\n" %
(identtabs, blockid, t, lower, term))
f.write("%s</Block>\n" % identtabs)
class SOMEIPParameterArray(SOMEIPBaseParameterArray):
def peachout(self, f, indent, paramname, minnum, maxnum):
counter = 0
identtabs = indent * " "
if len(self.__dims__) != 1:
f.write("%s<!--TODO: Multi-Dim Arrays-->\n" % identtabs)
else:
blockid = "Array%s%x%x" % (self.name(), id(self), counter)
counter += 1
# there is only one dim and this should have the key 1
for i in self.__dims__.keys():
dim = self.__dims__[i]
min2 = dim.lowerlimit()
max2 = dim.upperlimit()
lengthOfLength = dim.length_of_length()
if lengthOfLength != 0:
f.write("%s<Number name=\"ArrayLen%s\" size=\"%d\" endian=\"big\" minOccurs=\"1\" maxOccurs=\"1\" >\n" %
(identtabs, blockid, dim.length_of_length()))
f.write("%s <Relation type=\"size\" of=\"%s\" />\n" % (identtabs, blockid))
f.write("%s</Number>\n" % identtabs)
f.write("%s<Block name=\"%s\" minOccurs=\"1\" maxOccurs=\"1\" >\n" % (identtabs, blockid))
f.write("%s <Block name=\"%s\" minOccurs=\"%d\" maxOccurs=\"%d\">\n" %
(identtabs, "Data" + blockid, min2, max2))
self.child().peachout(f, indent + 2, paramname, 1, 1)
f.write("%s </Block>\n" % identtabs)
f.write("%s</Block>\n" % identtabs)
class SOMEIPParameterStruct(SOMEIPBaseParameterStruct):
def peachout(self, f, indent, paramname, minnum, maxnum):
identtabs = indent * " "
blockid = "Struct%s%x" % (self.name(), id(self))
if self.__lengthOfLength__ != 0:
f.write("%s<Number name=\"StructLen%x\" size=\"%d\" mutable=\"false\" endian=\"big\" minOccurs=\"1\" "
"maxOccurs=\"1\" >\n" % (identtabs, id(self), self.__lengthOfLength__))
f.write("%s <Relation type=\"size\" of=\"%s\" />\n" % (identtabs, blockid))
f.write("%s</Number>\n" % identtabs)
f.write("%s<Block name=\"%s\" minOccurs=\"%d\" maxOccurs=\"%d\">\n" % (identtabs, blockid, minnum, maxnum))
# f.write("%s<!-- Struct %s start -->\n" % (identtabs, self.__name__))
for m in sorted(self.__members__.keys()):
member = self.__members__[m]
# print "struct-member: ", member
child = member.child()
# print "struct-member-child: ", child
child.peachout(f, indent + 1, member.name(), 1, 1)
f.write("%s</Block>\n" % identtabs)
# f.write("%s<!-- Struct %s end -->\n" % (identtabs, self.__name__))
class SOMEIPParameterTypedef(SOMEIPBaseParameterTypedef):
def peachout(self, f, indent, paramname, minnum, maxnum):
if self.__child__ is not None:
self.__child__.peachout(f, indent, paramname, minnum, maxnum)
class SOMEIPParameterEnumeration(SOMEIPBaseParameterEnumeration):
def peachout(self, f, indent, paramname, minnum, maxnum):
if self.__child__ is not None:
self.__child__.peachout(f, indent, paramname, minnum, maxnum)
class SOMEIPParameterUnion(SOMEIPBaseParameterUnion):
def peachout(self, f, indent, paramname, minnum, maxnum):
identtabs = indent * " "
blockidchoice = "Union%s%x" % (self.name(), id(self))
f.write(
"%s<Choice name=\"%s\" minOccurs=\"%d\" maxOccurs=\"%d\">\n" % (identtabs, blockidchoice, minnum, maxnum))
for m in self.__members__:
member = self.__members__[m]
blockid = "Union%s0x%xType0x%04x" % (self.name(), id(self), member.index())
f.write("%s <Block name=\"%sWrapper\" minOccurs=\"1\" maxOccurs=\"1\" >\n" % (identtabs, blockid))
if self.__lengthOfLength__ != 0:
f.write("%s <Number name=\"UnionLen%s\" size=\"%d\" endian=\"big\" minOccurs=\"1\" "
"maxOccurs=\"1\" >\n" % (identtabs, blockid, self.__lengthOfLength__))
f.write("%s <Relation type=\"size\" of=\"%s\" />\n" % (identtabs, blockid))
f.write("%s </Number>\n" % identtabs)
if self.__lengthOfType__ != 0:
f.write("%s <Number name=\"UnionType%s\" size=\"%d\" value=\"0x%04x\" endian=\"big\" "
"minOccurs=\"1\" maxOccurs=\"1\" />\n" %
(identtabs, blockid, self.__lengthOfType__, member.index()))
else:
print("ERROR: Union %s thinks that typefield can be 0 bytes long!!!!" % (self.name()))
f.write("%s <!-- TypeField with len:0!!! -->\n" % identtabs)
return
f.write("%s <Block name=\"%s\" minOccurs=\"1\" maxOccurs=\"1\" >\n" % (identtabs, blockid))
member.child().peachout(f, indent + 3, member.name(), 1, 1)
f.write("%s </Block>\n" % identtabs)
f.write(" %s</Block>\n" % identtabs)
f.write("%s</Choice>\n" % identtabs)
def parse_arguments():
parser = argparse.ArgumentParser(description='Converting configuration to peach xml.')
parser.add_argument('type', choices=parser_formats, help='format')
parser.add_argument('filename', help='filename or directory', type=lambda x: is_file_or_dir_valid(parser, x))
args = parser.parse_args()
return args
def main():
print("Converting configuration to peach xml\n")
args = parse_arguments()
conf_factory = PeachConfigurationFactory()
output_dir = parse_input_files(args.filename, args.type, conf_factory)
target_dir = os.path.join(output_dir, "peach")
if not os.path.exists(target_dir):
os.makedirs(target_dir)
time.sleep(0.5)
conf_factory.generate_configs(target_dir)
print("Done.")
# only call main, if we are started directly
if __name__ == "__main__":
main()