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| #!/usr/bin/env python
#-*- coding:utf-8 -*-
__Author__ = "wgzhao(wgzhao AT gmail DOT com)"
import sys
import struct
import socket
from math import floor
from os import SEEK_SET
"""
根据提供的ip地址查询归属地
IP地址库依赖纯真IP地址库，最新版可以从网络上下载
"""
class TQQwry:
StartIP = 0
EndIP = 0
Country = ''
Local = ''
CountryFlag = 0
'''标识 Country位置
// 0x01, 随后3字节为Country偏移, 没有Local
// 0x02, 随后3字节为Country偏移，接着是Local
// 其他, Country, Local, Local有类似的压缩。可能多重引用。
'''
fp = None
nRet = ''
FirstStartIp = 0
LastStartIp = 0
EndIpOff = 0
QQWRY = "qqwry.dat" #根据自己文件的实际路径修改
def IpToInt(self, Ip):
return struct.unpack('I', struct.pack('I', (socket.ntohl(struct.unpack('I', socket.inet_aton(Ip))[0]))))[0]
def IntToIp(self, Int):
return socket.inet_ntoa(struct.pack('I', socket.htonl(Int)))
def getStartIp (self, RecNo):
offset = self.FirstStartIp + int(RecNo * 7)
self.fp.seek(offset, SEEK_SET)
buf = self.fp.read(7)
self.EndIpOff = ord(buf[4]) + (ord(buf[5]) * 256) + (ord(buf[6]) * 256 * 256)
self.StartIp = ord(buf[0]) + (ord(buf[1]) * 256) + (ord(buf[2]) * 256 * 256) + (ord(buf[3]) * 256 * 256 * 256)
def getEndIp (self):
self.fp.seek(self.EndIpOff)
buf = self.fp.read(5)
self.EndIp = ord(buf[0]) + (ord(buf[1]) * 256) + (ord(buf[2]) * 256 * 256) + (ord(buf[3]) * 256 * 256 * 256)
self.CountryFlag = ord (buf[4])
def getCountry (self):
if (self.CountryFlag == 1 or self.CountryFlag == 2):
self.Country = self.getFlagStr (self.EndIpOff + 4)
if (self.CountryFlag == 1):
self.Local = ''
else:
self.Local = self.getFlagStr (self.EndIpOff + 8)
else:
self.Country = self.getFlagStr (self.EndIpOff + 4)
self.Local = self.getFlagStr (self.fp.tell ())
def getFlagStr (self, offset) :
flag = 0
while (1):
self.fp.seek(offset, SEEK_SET)
flag = ord (self.fp.read(1))
if (flag == 1 or flag == 2):
buf = self.fp.read(3)
if (flag == 2):
self.CountryFlag = 2
self.EndIpOff = offset - 4
offset = ord(buf[0]) + (ord(buf[1]) * 256) + (ord(buf[2]) * 256 * 256)
else:
break
if (offset < 12):
return ''
self.fp.seek(offset, SEEK_SET)
return self.getStr()
def getStr (self):
str = ''
while (1):
c = self.fp.read(1)
if (ord (c[0]) == 0):
break
str = str + c
return str
def __init__ (self, dotip):
ip = self.IpToInt (dotip)
self.fp = open(self.QQWRY, "rb")
if (not self.fp):
print "OpenFileError"
sys.exit(1)
self.fp.seek(0)
buf = self.fp.read (8)
self.FirstStartIp = ord(buf[0]) + (ord(buf[1]) * 256) + (ord(buf[2]) * 256 * 256) + (ord(buf[3]) * 256 * 256 * 256)
self.LastStartIp = ord(buf[4]) + (ord(buf[5]) * 256) + (ord(buf[6]) * 256 * 256) + (ord(buf[7]) * 256 * 256 * 256)
RecordCount = floor((self.LastStartIp - self.FirstStartIp) / 7)
if (RecordCount <= 1):
self.Country = "FileDataError"
self.fp.close()
sys.exit(2)
RangB = 0
RangE = RecordCount
#Match ...
while (RangB < RangE - 1):
RecNo = floor((RangB + RangE) / 2)
self.getStartIp (RecNo)
if (ip == self.StartIp):
RangB = RecNo
break
if (ip > self.StartIp):
RangB = RecNo
else:
RangE = RecNo
self.getStartIp (RangB)
self.getEndIp ()
if ((self.StartIp <= ip) and (self.EndIp >= ip)):
self.nRet = 0
self.getCountry ()
else:
self.nRet = 3
self.Country = '未知'
self.Local = ''
self.fp.close()
if __name__ == "__main__":
if (len(sys.argv) < 2):
print "Usage: ipsc.py <ip address>"
sys.exit(65)
wry = TQQwry(sys.argv[1])
#地址库里信息是gbk编码，程序是utf8编码，如果是乱码，注意你保存文件的编码格式
print "Country: ", wry.Country.decode('gbk'), " Local: ", wry.Local.decode('gbk')
|