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#! /usr/bin/env python2
# -*- coding: utf8 -*-
#
# Copyright (C) 2015-2016 Evol Online
# Author: Andrei Karas (4144)
import re
class Utils:
casere = re.compile("^case 0x(?P<packet>[0-9a-fA-F]+)[:]")
charParseFunctionre = re.compile(
"(?P<function>chr->[0-9a-zA-Z_>-]+)([(]|[ ][(])");
ourPacketre = re.compile(
"(WFIFOW|WBUFW)([ ]*)[(]([ ]*)([\w>_-]+),([ ]*)" +
"(?P<offset>0)([ ]*)[)]([ ]*)=([ ]*)0x(?P<packet>[0-9a-fA-F]+)([ ]*)[;]")
ourPacketre2 = re.compile("PacketType([ ]*)=([ ]*)(?P<name>[\w_]+);")
ourPacketre3 = re.compile(
"(WFIFOW|WBUFW)([ ]*)[(]([ ]*)([\w>_-]+),([ ]*)" +
"(?P<offset>0)([ ]*)[)]([ ]*)=([ ]*)(?P<packet>[0-9\w]+)([ ]*)[;]")
ourPacketre4 = re.compile(" cmd([ ]*)=([ ]*)0x(?P<packet>[0-9a-fA-F]+);")
ourPacketre5 = re.compile(
"(WFIFOW|WBUFW)([ ]*)[(]([ ]*)([\w>_-]+),([ ]*)" +
"(count[*]p_len)([ ]*)[)]([ ]*)=([ ]*)(?P<packet>[0-9\w]+)([ ]*)[;]")
ourPacketre6 = re.compile("int cmde([ ]*)=([ ]*)0x(?P<packet>[0-9a-fA-F]+);")
ourPacketre7 = re.compile(" (packet|packet_num|PacketType|packet_type)([ ]*)=([ ]*)0x(?P<packet>[0-9a-fA-F]+);")
@staticmethod
def enumCasePackets(fileName, startCode):
startCode = startCode + "\n"
endCode = "}\n"
breakCode = "break;"
with open(fileName, "r") as f:
for line in f:
if line == startCode:
packets = []
for line in f:
line = line.strip()
m = Utils.casere.search(line)
if m is not None:
data = m.group("packet").lower()
while len(data) < 4:
data = "0" + data
if int(data, 16) < 4096:
packets.append(data)
if line == breakCode:
packets = []
if line == endCode:
break
if len(packets) > 0:
m = Utils.charParseFunctionre.search(line)
if m is not None:
func = m.group("function")
if len(packets) > 1:
for packet in packets:
fname = func + "_" + str(packet)
yield (fname, packet)
else:
yield (func, packets[0])
break
@staticmethod
def getOutPackets(line, server):
packets = []
m = Utils.ourPacketre4.findall(line)
if len(m) > 0:
for str in m:
data = str[2]
while len(data) < 4:
data = "0" + data
server.addServerPacket(data)
m = Utils.ourPacketre5.findall(line)
if len(m) > 0:
for str in m:
data = str[9]
while len(data) < 4:
data = "0" + data
server.addServerPacket(data)
m = Utils.ourPacketre.findall(line)
if len(m) == 0:
m = Utils.ourPacketre3.findall(line)
if len(m) > 0:
for str in m:
if str[9] == "0":
continue
data = str[9]
if data == "cmd":
continue
while len(data) < 4:
data = "0" + data
server.addServerPacket(data)
m = Utils.ourPacketre2.findall(line)
if len(m) > 0:
for str in m:
if str[2] == "0":
continue
data = str[2]
if len(data) > 2 and data[0:2] == "0x":
data = data[2:]
while len(data) < 4:
data = "0" + data
server.addServerPacket(data)
m = Utils.ourPacketre6.findall(line)
if len(m) > 0:
for str in m:
data = str[2]
while len(data) < 4:
data = "0" + data
server.addServerPacket(data)
m = Utils.ourPacketre7.findall(line)
if len(m) > 0:
for str in m:
data = str[3]
while len(data) < 4:
data = "0" + data
server.addServerPacket(data)
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