用VBS脚本查询纯真IP库QQWry.dat(转）

查询给的IP地址所在的国家，ADSL服务商名称：

前提：需要提供一个纯真的IP库，这个可以只需将从网上搜索QQWry.dat进行搜索这个文件下载即可，然后将该文件放到与该脚本同目录下即可。

原文地址：http://demon.tw/programming/vbs-qqwry-dat.html

无他，只不过想证明其他主流语言能实现的 VBS 不一定不能实现而已，而且早就已经有人实现了，只不过是在 ASP 中，作者不详。我测试了一下貌似能用，只不过这个类封装得不太好，我稍微修改了一下属性的访问修饰符。

Class TQQWry
' ============================================
' 变量声名
' ============================================
Public Country, LocalStr
Public QQWryFile
Private Buf, OffSet
Private StartIP, EndIP, CountryFlag
Private FirstStartIP, LastStartIP, RecordCount
Private Stream, EndIPOff
' ============================================
' 类模块初始化
' ============================================
Private Sub Class_Initialize
Country       = ""
LocalStr      = ""
StartIP       = 0
EndIP         = 0
CountryFlag   = 0
FirstStartIP  = 0
LastStartIP   = 0
EndIPOff      = 0
QQWryFile     = "QQWry.Dat"
End Sub
' ============================================
' 类终结
' ============================================
Private Sub Class_Terminate
On ErrOr Resume Next
Stream.Close
If Err Then Err.Clear
Set Stream = Nothing
End Sub
' ============================================
' IP地址转换成整数
' ============================================
Function IPToInt(IP)
Dim IPArray, i
IPArray = Split(IP, ".", -1)
FOr i = 0 to 3
If Not IsNumeric(IPArray(i)) Then IPArray(i) = 0
If CInt(IPArray(i)) < 0 Then IPArray(i) = Abs(CInt(IPArray(i)))
If CInt(IPArray(i)) > 255 Then IPArray(i) = 255
Next
IPToInt = (CInt(IPArray(0))*256*256*256) + (CInt(IPArray(1))*256*256) + (CInt(IPArray(2))*256) + CInt(IPArray(3))
End Function
' ============================================
' 整数逆转IP地址
' ============================================
Function IntToIP(IntValue)
p4 = IntValue - Fix(IntValue/256)*256
IntValue = (IntValue-p4)/256
p3 = IntValue - Fix(IntValue/256)*256
IntValue = (IntValue-p3)/256
p2 = IntValue - Fix(IntValue/256)*256
IntValue = (IntValue - p2)/256
p1 = IntValue
IntToIP = Cstr(p1) & "." & Cstr(p2) & "." & Cstr(p3) & "." & Cstr(p4)
End Function
' ============================================
' 获取开始IP位置
' ============================================
Private Function GetStartIP(RecNo)
OffSet = FirstStartIP + RecNo * 7
Stream.Position = OffSet
Buf = Stream.Read(7)

EndIPOff = AscB(MidB(Buf, 5, 1)) + (AscB(MidB(Buf, 6, 1))*256) + (AscB(MidB(Buf, 7, 1))*256*256)
StartIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256)
GetStartIP = StartIP
End Function
' ============================================
' 获取结束IP位置
' ============================================
Private Function GetEndIP()
Stream.Position = EndIPOff
Buf = Stream.Read(5)
EndIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256)
CountryFlag = AscB(MidB(Buf, 5, 1))
GetEndIP = EndIP
End Function
' ============================================
' 获取地域信息，包含国家和和省市
' ============================================
Private Sub GetCountry(IP)
If (CountryFlag = 1 Or CountryFlag = 2) Then
Country = GetFlagStr(EndIPOff + 4)
If CountryFlag = 1 Then
LocalStr = GetFlagStr(Stream.Position)
' 以下用来获取数据库版本信息
If IP >= IPToInt("255.255.255.0") And IP <= IPToInt("255.255.255.255") Then
LocalStr = GetFlagStr(EndIPOff + 21)
Country = GetFlagStr(EndIPOff + 12)
End If
Else
LocalStr = GetFlagStr(EndIPOff + 8)
End If
Else
Country = GetFlagStr(EndIPOff + 4)
LocalStr = GetFlagStr(Stream.Position)
End If
' 过滤数据库中的无用信息
Country = Trim(Country)
LocalStr = Trim(LocalStr)
If InStr(Country, "CZ88.NET") Then Country = ""
If InStr(LocalStr, "CZ88.NET") Then LocalStr = ""
End Sub
' ============================================
' 获取IP地址标识符
' ============================================
Private Function GetFlagStr(OffSet)
Dim Flag
Flag = 0
Do While (True)
Stream.Position = OffSet
Flag = AscB(Stream.Read(1))
If(Flag = 1 Or Flag = 2 ) Then
Buf = Stream.Read(3)
If (Flag = 2 ) Then
CountryFlag = 2
EndIPOff = OffSet - 4
End If
OffSet = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256)
Else
Exit Do
End If
Loop

If (OffSet < 12 ) Then
GetFlagStr = ""
Else
Stream.Position = OffSet
GetFlagStr = GetStr()
End If
End Function
' ============================================
' 获取字串信息
' ============================================
Private Function GetStr()
Dim c
GetStr = ""
Do While (True)
c = AscB(Stream.Read(1))
If (c = 0) Then Exit Do

'如果是双字节，就进行高字节在结合低字节合成一个字符
If c > 127 Then
If Stream.EOS Then Exit Do
GetStr = GetStr & Chr(AscW(ChrB(AscB(Stream.Read(1))) & ChrB(C)))
Else
GetStr = GetStr & Chr(c)
End If
Loop
End Function
' ============================================
' 核心函数，执行IP搜索
' ============================================
Public Function QQWry(DotIP)
Dim IP, nRet
Dim RangB, RangE, RecNo

IP = IPToInt (DotIP)

Set Stream = CreateObject("ADodb.Stream")
Stream.Mode = 3
Stream.Type = 1
Stream.Open
Stream.LoadFromFile QQWryFile
Stream.Position = 0
Buf = Stream.Read(8)

FirstStartIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256)
LastStartIP = AscB(MidB(Buf, 5, 1)) + (AscB(MidB(Buf, 6, 1))*256) + (AscB(MidB(Buf, 7, 1))*256*256) + (AscB(MidB(Buf, 8, 1))*256*256*256)
RecordCount = Int((LastStartIP - FirstStartIP)/7)
' 在数据库中找不到任何IP地址
If (RecordCount <= 1) Then
Country = "未知"
QQWry = 2
Exit Function
End If

RangB = 0
RangE = RecordCount

Do While (RangB < (RangE - 1))
RecNo = Int((RangB + RangE)/2)
Call GetStartIP (RecNo)
If (IP = StartIP) Then
RangB = RecNo
Exit Do
End If
If (IP > StartIP) Then
RangB = RecNo
Else
RangE = RecNo
End If
Loop

Call GetStartIP(RangB)
Call GetEndIP()

If (StartIP <= IP) And ( EndIP >= IP) Then
' 没有找到
nRet = 0
Else
' 正常
nRet = 3
End If
Call GetCountry(IP)

QQWry = nRet
End Function
End Class

Set Wry = New TQQWry
Wry.QQWry("8.8.8.8")
WScript.Echo Wry.Country & "/" & Wry.LocalStr

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