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ASP + Serv-u 实现FTP的代码
作者：采集员 文章来源：来源于网络 点击数： 更新时间：2005-9-10 12:32:22

<!--#include file="md5.asp"-->
<%
'**************************************************
'* 作者：awaysrain(绝对零度) *
'* 完成时间：2003-10-10 *
'* 测试环境：WIN2000SERVER，SERV-U 4.2-beta版 *
'**************************************************
Dim iniPath,iniFileName,iniStr,tmpStr,n
Dim userName,passWord,tmp

userName = "myfso222" '用户名
passWord = "awaysrain" '密码
tmp = "ai" '随机生成两个小写字母，（应该是随机生成的，但是我这里省略了）
passWord = tmp & UCase(md5(passWord)) '密码，是MD5加密过的，用动网的MD5加密程序，具体算法是随机生成两位小写字母，然后和你的密码连接后进行MD5加密，把随机生成的密码和MD5加密后的结果作为密码存放，举个例子来说比如下面的awaysrain用户，我的密码为awaysrain先随机生成两位小写字母ai，和我的密码awaysrain连接得到aiawaysrain把aiawaysrain进行MD5加密得到9118BFD94A9CE9CF37AE5BAA947ED596把随机生成两位小写字母ai和MD5加密后的结果9118BFD94A9CE9CF37AE5BAA947ED596连接得到密码ai9118BFD94A9CE9CF37AE5BAA947ED596

iniPath="D:Program FilesServ-U" 'ini文件的路径
iniFileName = "ServUDaemon.ini" 'ini的文件名

Set fso=Server.CreateObject("Scripting.FileSystemObject")
Set ServUIni = fso.OpenTextFile(iniPath & "" & iniFileName,1,false)

iniStr = ""
n = 0
addedUserList = false

Set tf = fso.CreateTextFile(iniPath & "" & iniFileName & "._awaysrain.tmp", True)
'生成新的临时INI文件

Do While not ServUIni.AtEndOfStream
tmpStr = ServUIni.ReadLine

If Instr("awaysrain||" & tmpStr,"awaysrain||User")>0 Then
'记录用户原来的数量
n = n+1
End If

If Instr("awaysrain||" & tmpStr,"awaysrain||[USER=")>0 and not addedUserList Then
'往用户列表的部分添加现在的用户
n = n +1
tf.WriteLine("User" & n & "=" & userName & "|1|0")
addedUserList = true
End If
tf.WriteLine(tmpStr)
Loop
ServUIni.Close

'添加新用户的信息，具体内容可以在SERV-U中新建用户并对照INI文件

tf.WriteLine("[USER=" & userName & "|1]") '用户名
tf.WriteLine("Password=" & passWord) '密码
tf.WriteLine("HomeDir=e: emp") '主目录
tf.WriteLine("RelPaths=1") '是否锁定用户于主目录
tf.WriteLine("MaxUsersLoginPerIP=1") '相同IP同时登录数
tf.WriteLine("SpeedLimitDown=102400") '最大下载速度
tf.WriteLine("TimeOut=600") '空闲超时时间（秒）
tf.WriteLine("Access1=E:Temp|RLP") '可访问目录,可以不是一个，比如 'Access2=E:Temp1|RLP'

tf.Close
'--------------------备份原来的INI文件--------------------------
Set f1 = fso.GetFile(iniPath & "" & iniFileName)
f1.Copy (iniPath & "" & iniFileName & "._awaysrain.bak")
f1.Delete
'--------------------把生成的临时INI文件改为正式的INI--------------------------
Set f1 = fso.GetFile(iniPath & "" & iniFileName & "._awaysrain.tmp")
f1.Copy (iniPath & "" & iniFileName)
f1.Delete

Set fso = nothing
%>

注：以上代码假设ServUDaemon.ini中的格式只有一个域并已经至少有一个用户

测试的ServUDaemon.ini文件结构如下：
==================================
[Domain1]
User1=222|1|0
User2=myfso111|1|0
[USER=222|1]
Password=hwB1ECF70CDAF5DAE2B981AE394EEFCDC0
HomeDir=E:Temp
RelPaths=1
TimeOut=600
Access1=E:Temp|RLP
[USER=myfso111|1]
Password=ai9118BFD94A9CE9CF37AE5BAA947ED596
HomeDir=e: emp
RelPaths=1
TimeOut=600
Access1=E:Temp|RLP

生成后的文件结构如下
==================================
[Domain1]
User1=222|1|0
User2=myfso111|1|0
User3=myfso222|1|0
[USER=222|1]
Password=hwB1ECF70CDAF5DAE2B981AE394EEFCDC0
HomeDir=E:Temp
RelPaths=1
TimeOut=600
Access1=E:Temp|RLP
[USER=myfso111|1]
Password=ai9118BFD94A9CE9CF37AE5BAA947ED596
HomeDir=e: emp
RelPaths=1
TimeOut=600
Access1=E:Temp|RLP
[USER=myfso222|1]
Password=ai9118BFD94A9CE9CF37AE5BAA947ED596
HomeDir=e: emp
RelPaths=1
TimeOut=600
Access1=E:Temp|RLP


附MD5.ASP
==========================================
<%
Private Const BITS_TO_A_BYTE = 8
Private Const BYTES_TO_A_WORD = 4
Private Const BITS_TO_A_WORD = 32

Private m_lOnBits(30)
Private m_l2Power(30)

Private Function LShift(lValue, iShiftBits)
If iShiftBits = 0 Then
LShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And 1 Then
LShift = &H80000000
Else
LShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 Or iShiftBits > 31 Then
Err.Raise 6
End If

If (lValue And m_l2Power(31 - iShiftBits)) Then
LShift = ((lValue And m_lOnBits(31 - (iShiftBits + 1))) * m_l2Power(iShiftBits)) Or &H80000000
Else
LShift = ((lValue And m_lOnBits(31 - iShiftBits)) * m_l2Power(iShiftBits))
End If
End Function

Private Function RShift(lValue, iShiftBits)
If iShiftBits = 0 Then
RShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And &H80000000 Then
RShift = 1
Else
RShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 Or iShiftBits > 31 Then
Err.Raise 6
End If

RShift = (lValue And &H7FFFFFFE) m_l2Power(iShiftBits)

If (lValue And &H80000000) Then
RShift = (RShift Or (&H40000000 m_l2Power(iShiftBits - 1)))
End If
End Function

Private Function RotateLeft(lValue, iShiftBits)
RotateLeft = LShift(lValue, iShiftBits) Or RShift(lValue, (32 - iShiftBits))
End Function

Private Function AddUnsigned(lX, lY)
Dim lX4
Dim lY4
Dim lX8
Dim lY8
Dim lResult

lX8 = lX And &H80000000
lY8 = lY And &H80000000
lX4 = lX And &H40000000
lY4 = lY And &H40000000

lResult = (lX And &H3FFFFFFF) + (lY And &H3FFFFFFF)

If lX4 And lY4 Then
lResult = lResult Xor &H80000000 Xor lX8 Xor lY8
ElseIf lX4 Or lY4 Then
If lResult And &H40000000 Then
lResult = lResult Xor &HC0000000 Xor lX8 Xor lY8
Else
lResult = lResult Xor &H40000000 Xor lX8 Xor lY8
End If
Else
lResult = lResult Xor lX8 Xor lY8
End If

AddUnsigned = lResult
End Function

Private Function md5_F(x, y, z)
md5_F = (x And y) Or ((Not x) And z)
End Function

Private Function md5_G(x, y, z)
md5_G = (x And z) Or (y And (Not z))
End Function

Private Function md5_H(x, y, z)
md5_H = (x Xor y Xor z)
End Function

Private Function md5_I(x, y, z)
md5_I = (y Xor (x Or (Not z)))
End Function

Private Sub md5_FF(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_F(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub

Private Sub md5_GG(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_G(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub

Private Sub md5_HH(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_H(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub

Private Sub md5_II(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_I(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub

Private Function ConvertToWordArray(sMessage)
Dim lMessageLength
Dim lNumberOfWords
Dim lWordArray()
Dim lBytePosition
Dim lByteCount
Dim lWordCount

Const MODULUS_BITS = 512
Const CONGRUENT_BITS = 448

lMessageLength = Len(sMessage)

lNumberOfWords = (((lMessageLength + ((MODULUS_BITS - CONGRUENT_BITS) BITS_TO_A_BYTE)) (MODULUS_BITS BITS_TO_A_BYTE)) + 1) * (MODULUS_BITS BITS_TO_A_WORD)
ReDim lWordArray(lNumberOfWords - 1)

lBytePosition = 0
lByteCount = 0
Do Until lByteCount >= lMessageLength
lWordCount = lByteCount BYTES_TO_A_WORD
lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE
lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(Asc(Mid(sMessage, lByteCount + 1, 1)), lBytePosition)
lByteCount = lByteCount + 1
Loop

lWordCount = lByteCount BYTES_TO_A_WORD
lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE

lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(&H80, lBytePosition)

lWordArray(lNumberOfWords - 2) = LShift(lMessageLength, 3)
lWordArray(lNumberOfWords - 1) = RShift(lMessageLength, 29)

ConvertToWordArray = lWordArray
End Function

Private Function WordToHex(lValue)
Dim lByte
Dim lCount

For lCount = 0 To 3
lByte = RShift(lValue, lCount * BITS_TO_A_BYTE) And m_lOnBits(BITS_TO_A_BYTE - 1)
WordToHex = WordToHex & Right("0" & Hex(lByte), 2)
Next
End Function
Public Function MD5(sMessage)
m_lOnBits(0) = CLng(1)
m_lOnBits(1) = CLng(3)
m_lOnBits(2) = CLng(7)
m_lOnBits(3) = CLng(15)
m_lOnBits(4) = CLng(31)
m_lOnBits(5) = CLng(63)
m_lOnBits(6) = CLng(127)
m_lOnBits(7) = CLng(255)
m_lOnBits(8) = CLng(511)
m_lOnBits(9) = CLng(1023)
m_lOnBits(10) = CLng(2047)
m_lOnBits(11) = CLng(4095)
m_lOnBits(12) = CLng(8191)
m_lOnBits(13) = CLng(16383)
m_lOnBits(14) = CLng(32767)
m_lOnBits(15) = CLng(65535)
m_lOnBits(16) = CLng(131071)
m_lOnBits(17) = CLng(262143)
m_lOnBits(18) = CLng(524287)
m_lOnBits(19) = CLng(1048575)
m_lOnBits(20) = CLng(2097151)
m_lOnBits(21) = CLng(4194303)
m_lOnBits(22) = CLng(8388607)
m_lOnBits(23) = CLng(16777215)
m_lOnBits(24) = CLng(33554431)
m_lOnBits(25) = CLng(67108863)
m_lOnBits(26) = CLng(134217727)
m_lOnBits(27) = CLng(268435455)
m_lOnBits(28) = CLng(536870911)
m_lOnBits(29) = CLng(1073741823)
m_lOnBits(30) = CLng(2147483647)

m_l2Power(0) = CLng(1)
m_l2Power(1) = CLng(2)
m_l2Power(2) = CLng(4)
m_l2Power(3) = CLng(8)
m_l2Power(4) = CLng(16)
m_l2Power(5) = CLng(32)
m_l2Power(6) = CLng(64)
m_l2Power(7) = CLng(128)
m_l2Power(8) = CLng(256)
m_l2Power(9) = CLng(512)
m_l2Power(10) = CLng(1024)
m_l2Power(11) = CLng(2048)
m_l2Power(12) = CLng(4096)
m_l2Power(13) = CLng(8192)
m_l2Power(14) = CLng(16384)
m_l2Power(15) = C

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