1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
| #!/usr/bin/env python3
# -*- coding: utf-8 -*-
# @Time : 2019/9/23 下午3:47
# @Author : Ryu
# @Site :
# @File : aaa.py
# @Software: PyCharm
import ipaddress
from struct import unpack, unpack_from
NO_IPV4_DB = u"缺少IPv4数据库"
def inet_ntoa(number):
addresslist=[]
addresslist.append((number>>24)&0xff)
addresslist.append((number>>16)&0xff)
addresslist.append((number>>8)&0xff)
addresslist.append(number&0xff)
return ".".join("%d" % i for i in addresslist)
def inet_ntoa6(number):
addresslist = []
addresslist.append((number >> 48) & 0xffff)
addresslist.append((number >> 32) & 0xffff)
addresslist.append((number >> 16) & 0xffff)
addresslist.append(number & 0xffff)
return ":".join("%04X" % i for i in addresslist) + "::"
class find_ip_db():
def __init__(self):
# 这里是数据库文件路径
with open('ipv6wry.db', 'rb') as f:
self.ip_db = f
self.ip_db_read = f.read()
self.indexCount = self.getLong8(8)
self.firstIndex = self.getLong8(16)
self.offlen = self.getLong8(6, 1)
def getLong8(self, offset=0, size=8):
s = self.ip_db_read[offset: offset + size]
s += b"\0\0\0\0\0\0\0\0"
return unpack_from("Q", s)[0]
def getString(self, offset=0):
""" 读取字符串信息，包括"国家"信息和"地区"信息
QQWry.Dat的记录区每条信息都是一个以"\0"结尾的字符串"""
o2 = self.ip_db_read.find(b"\0", offset)
# 有可能只有国家信息没有地区信息，
gb_str = self.ip_db_read[offset:o2]
try:
utf8_str = gb_str.decode()
except:
return u"未知数据"
return utf8_str
def getAreaAddr(self, offset=0):
""" 通过给出偏移值，取得区域信息字符串，"""
self_img = self.ip_db_read[offset]
# self.img[1]
byte = self_img
if byte == 1 or byte == 2:
# 第一个字节为1或者2时，取得2-4字节作为一个偏移量调用自己
p = self.getLong8(offset + 1, self.offlen)
return self.getAreaAddr(p)
else:
return self.getString(offset)
def getAddr(self, offset, ip=0):
img = self.ip_db_read
o = offset
byte = img[o]
if byte == 1:
# 重定向模式1
# [IP][0x01][国家和地区信息的绝对偏移地址]
# 使用接下来的3字节作为偏移量调用字节取得信息
return self.getAddr(self.getLong8(o + 1, self.offlen))
else:
# 重定向模式2 + 正常模式
# [IP][0x02][信息的绝对偏移][...]
cArea = self.getAreaAddr(o)
if byte == 2:
o += 1 + self.offlen
else:
o = self.ip_db_read.find(b"\0", o) + 1
aArea = self.getAreaAddr(o)
return (cArea, aArea)
def find(self, ip, fisrt, end):
if end - fisrt <= 1:
return fisrt
m = int((fisrt + end) / 2)
o = self.firstIndex + m * (8 + self.offlen)
new_ip = self.getLong8(o)
if ip < new_ip:
return self.find(ip, fisrt, m)
else:
return self.find(ip, m, end)
def find_ip_address(self, ip, i4obj=None):
ip6 = int(ipaddress.IPv6Address(ip))
ip = (ip6 >> 64) & 0xFFFFFFFFFFFFFFFF
i = self.find(ip, 0, self.indexCount)
o = self.firstIndex + i * (8 + self.offlen)
o2 = self.getLong8(o + 8, self.offlen)
(c, a) = self.getAddr(o2)
(cc, aa) = (c, a)
i1 = inet_ntoa6(self.getLong8(o))
try:
i2 = inet_ntoa6(self.getLong8(o + 8 + self.offlen) - 1)
except:
i2 = "FFFF:FFFF:FFFF:FFFF::"
if ip6 == 0x1: # 本机地址
i1 = "0:0:0:0:0:0:0:1"
i2 = "0:0:0:0:0:0:0:1"
c = cc = u"本机地址"
elif ip == 0 and ip6 >> 32 & 0xFFFFFFFF == 0xFFFF: # IPv4映射地址
realip = (ip6 & 0xFFFFFFFF)
realipstr = inet_ntoa(realip)
try:
(_, _, realiploc, cc, aa) = i4obj.getIPAddr(realip)
except:
realiploc = NO_IPV4_DB
i1 = "0:0:0:0:0:FFFF:0:0"
i2 = "0:0:0:0:0:FFFF:FFFF:FFFF"
c = u"IPv4映射地址"
a = a + u"<br/>对应的IPv4地址为" + realipstr + u"，位置为" + realiploc
elif ip >> 48 & 0xFFFF == 0x2002: # 6to4
realip = (ip & 0x0000FFFFFFFF0000) >> 16
realipstr = inet_ntoa(realip)
try:
(_, _, realiploc, cc, aa) = i4obj.getIPAddr(realip)
except:
realiploc = NO_IPV4_DB
a = a + u"<br/>对应的IPv4地址为" + realipstr + u"，位置为" + realiploc
elif ip >> 32 & 0xFFFFFFFF == 0x20010000: # teredo
serverip = (ip & 0xFFFFFFFF)
serveripstr = inet_ntoa(serverip)
realip = (~ip6 & 0xFFFFFFFF)
realipstr = inet_ntoa(realip)
try:
(_, _, serveriploc, cc, aa) = i4obj.getIPAddr(serverip)
(_, _, realiploc, _, _) = i4obj.getIPAddr(realip)
except:
serveriploc = NO_IPV4_DB
realiploc = NO_IPV4_DB
a = a + u"<br/>Teredo服务器的IPv4地址为" + serveripstr + u"，位置为" + serveriploc
a = a + u"<br/>客户端真实的IPv4地址为" + realipstr + u"，位置为" + realiploc
elif ip6 >> 32 & 0xFFFFFFFF == 0x5EFE: # isatap
realip = (ip6 & 0xFFFFFFFF)
realipstr = inet_ntoa(realip)
try:
(_, _, realiploc, _, _) = i4obj.getIPAddr(realip)
except:
realiploc = NO_IPV4_DB
a = a + u"<br/>ISATAP地址，对应的IPv4地址为" + realipstr + u"，位置为" + realiploc
return i1, i2, c + u" " + a, cc, aa
print(find_ip_db().find_ip_address('2409:894c:c38:7f65:a413:9f69:2810:9d6a'))
|