forked from acouzens/open5gs
script to add prefix ASN structure and constant for avoiding conflict
global variable
This commit is contained in:
Sukchan Lee
parent
6da9c34afb
commit
581ac3f577
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#
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# Copyright (c) 2017, CellWire Group
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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import re, os, sys, string
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import datetime
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import getopt
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import getpass
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version = "0.1.0"
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lines = ""
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in_filename = ""
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out_filename = './S1AP-PDU.asn'
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FAIL = '\033[91m'
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WARN = '\033[93m'
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ENDC = '\033[0m'
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def printFail(string):
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sys.stderr.write(FAIL + string + ENDC + "\n")
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def printWarning(string):
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print WARN + string + ENDC
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def printDebug(string):
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if verbosity > 0:
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print string
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def outputHeaderToFile(f, in_filename):
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now = datetime.datetime.now()
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f.write("""/*
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* Copyright (c) 2017, CellWire Group
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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""")
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f.write("/*******************************************************************************\n")
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f.write(" * This file had been created by asn1prefix.py script v%s\n" % (version))
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f.write(" * Please do not modify this file but regenerate it via script.\n")
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f.write(" * Created on: %s by %s\n * from %s\n" % (str(now), getpass.getuser(), in_filename))
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f.write(" ******************************************************************************/\n")
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def usage():
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print "Python adding prefix for asn1 v%s" % (version)
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print "Usage: python asn1prefix.py [options]"
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print "Available options:"
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print "-d Enable script debug"
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print "-f [file] Input file to parse"
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print "-o [file] Output file for result"
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print "-h Print this help and return"
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try:
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opts, args = getopt.getopt(sys.argv[1:], "i:ho:", ["input", "help", "output"])
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except getopt.GetoptError as err:
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# print help information and exit:
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usage()
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sys.exit(2)
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for o, a in opts:
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if o in ("-i", "--input"):
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in_filename = a
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if o in ("-o", "--output"):
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out_filename = a
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if o in ("-h", "--help"):
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usage()
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sys.exit(2)
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asnType = '(INTEGER|'
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asnType += 'BIT\sSTRING|'
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asnType += 'ENUMERATED|'
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asnType += 'CHOICE|'
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asnType += 'OCTET\sSTRING|'
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asnType += 'TBCD-STRING|'
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asnType += 'PrintableString|'
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asnType += 'SEQUENCE)'
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structReplacements = {}
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constantReplacements = {}
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in_file = open(in_filename, 'r')
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for line in in_file:
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# Removing any comment
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if line.find('--') >= 0:
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line = line[:line.find('--')]
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# Removing any carriage return
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lines += re.sub('\r', '', line)
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# Extracting S1AP-PDU-Contents
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for i in re.findall(r'^([\w-]+)\s*S1AP-PROTOCOL-', lines, re.MULTILINE):
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structReplacements[i] = 'S1ap-' + i
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for i in re.findall(r'([\w-]+)\s*::=\s+E-RAB-IE-Container', lines, re.MULTILINE):
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structReplacements[i] = 'S1ap-' + i
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# Extracting S1AP-IEs
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for i in re.findall(r'([\w-]+)\s*::=\s*' + asnType, lines, re.MULTILINE):
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structReplacements[i[0]] = 'S1ap-' + i[0]
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# Removeing 'S1AP-PDU'
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del structReplacements['S1AP-PDU']
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# Extracting S1AP-Constant
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for i in re.findall(r'([\w-]+)\s*INTEGER\s*::=', lines, re.MULTILINE):
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constantReplacements[i] = 's1ap-' + i
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in_file.seek(0)
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structPattern = re.compile(r'\b(' + '|'.join(structReplacements.keys()) + r')\b')
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constantPattern = re.compile(r'\b(' + '|'.join(constantReplacements.keys()) + r')\b')
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out_file = open(out_filename, 'w')
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for line in in_file:
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line = structPattern.sub(lambda x: structReplacements[x.group()], line)
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line = constantPattern.sub(lambda x: constantReplacements[x.group()], line)
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line = line.replace('id-S1ap', 'id')
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out_file.write(line)
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in_file.close()
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out_file.close()
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