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AllInternalPasswords  

2009-11-06 17:06:56|  分类: Delphi |  标签: |举报 |字号 订阅

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Option Explicit

Public Sub AllInternalPasswords()
' Breaks worksheet and workbook structure passwords. Bob McCormick
' probably originator of base code algorithm modified for coverage
' of workbook structure / windows passwords and for multiple passwords
'
' Norman Harker and JE McGimpsey 27-Dec-2002 (Version 1.1)
' Modified 2003-Apr-04 by JEM: All msgs to constants, and
' eliminate one Exit Sub (Version 1.1.1)
' Reveals hashed passwords NOT original passwords
  Const DBLSPACE As String = vbNewLine & vbNewLine
  Const AUTHORS As String = DBLSPACE & vbNewLine & "Adapted from Bob McCormick base code by Norman Harker and JE McGimpsey"
  Const HEADER As String = "AllInternalPasswords User Message"
  Const VERSION As String = DBLSPACE & "Version 1.1.1 2003-Apr-04"
  Const REPBACK As String = DBLSPACE & "Please report failure to the microsoft.public.excel.programming newsgroup."
  Const ALLCLEAR As String = DBLSPACE & "The workbook should now be free of all password protection, so make sure you:" & _
  DBLSPACE & "SAVE IT NOW!" & DBLSPACE & "and also" & _
  DBLSPACE & "BACKUP!, BACKUP!!, BACKUP!!!" & _
  DBLSPACE & "Also, remember that the password was put there for a reason. Don't stuff up crucial formulas or data." & _
  DBLSPACE & "Access and use of some data may be an offense. If in doubt, don't."
  Const MSGNOPWORDS1 As String = "There were no passwords on sheets, or workbook structure or windows." & AUTHORS & VERSION
  Const MSGNOPWORDS2 As String = "There was no protection to workbook structure or windows." & DBLSPACE & "Proceeding to unprotect sheets." & AUTHORS & VERSION
  Const MSGTAKETIME As String = "After pressing OK button this will take some time." & DBLSPACE & "Amount of time depends on how many different passwords, the " & _
    "passwords, and your computer's specification." & DBLSPACE & "Just be patient! Make me a coffee!" & AUTHORS & VERSION
  Const MSGPWORDFOUND1 As String = "You had a Worksheet Structure or Windows Password set." & DBLSPACE & _
    "The password found was: " & DBLSPACE & "$$" & DBLSPACE & "Note it down for potential future use in other workbooks by " & _
    "the same person who set this password." & DBLSPACE & "Now to check and clear other passwords." & AUTHORS & VERSION
  Const MSGPWORDFOUND2 As String = "You had a Worksheet password set." & DBLSPACE & "The password found was: " & _
    DBLSPACE & "$$" & DBLSPACE & "Note it down for potential future use in other workbooks by same person who " & _
    "set this password." & DBLSPACE & "Now to check and clear other passwords." & AUTHORS & VERSION
  Const MSGONLYONE As String = "Only structure / windows protected with the password that was just found." & ALLCLEAR & AUTHORS & VERSION & REPBACK
  Dim w1 As Worksheet, w2 As Worksheet
  Dim i As Integer, j As Integer, k As Integer, l As Integer
  Dim m As Integer, n As Integer, i1 As Integer, i2 As Integer
  Dim i3 As Integer, i4 As Integer, i5 As Integer, i6 As Integer
  Dim PWord1 As String
  Dim ShTag As Boolean, WinTag As Boolean

  Application.ScreenUpdating = False
  With ActiveWorkbook
    WinTag = .ProtectStructure Or .ProtectWindows
  End With
  ShTag = False
  For Each w1 In Worksheets
    ShTag = ShTag Or w1.ProtectContents
  Next w1
  If Not ShTag And Not WinTag Then
    MsgBox MSGNOPWORDS1, vbInformation, HEADER
    Exit Sub
  End If
  MsgBox MSGTAKETIME, vbInformation, HEADER
  If Not WinTag Then
    MsgBox MSGNOPWORDS2, vbInformation, HEADER
  Else
    On Error Resume Next
    Do 'dummy do loop
      For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
      For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
      For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
      For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
        With ActiveWorkbook
          .Unprotect Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
          If .ProtectStructure = False And .ProtectWindows = False Then
            PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
            MsgBox Application.Substitute(MSGPWORDFOUND1, "$$", PWord1), vbInformation, HEADER
            Exit Do 'Bypass all for...nexts
          End If
        End With
      Next: Next: Next: Next: Next: Next
      Next: Next: Next: Next: Next: Next
    Loop Until True
    On Error GoTo 0
  End If

  If WinTag And Not ShTag Then
    MsgBox MSGONLYONE, vbInformation, HEADER
    Exit Sub
  End If
  On Error Resume Next
  For Each w1 In Worksheets  
    w1.Unprotect PWord1 'Attempt clearance with PWord1
  Next w1
  On Error GoTo 0
  ShTag = False
  For Each w1 In Worksheets
    ShTag = ShTag Or w1.ProtectContents 'Checks for all clear ShTag triggered to 1 if not.
  Next w1
  If ShTag Then
    For Each w1 In Worksheets
      With w1
        If .ProtectContents Then
          On Error Resume Next
          Do 'Dummy do loop
            For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
            For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
            For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
            For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
              .Unprotect Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
              If Not .ProtectContents Then
                PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
                MsgBox Application.Substitute(MSGPWORDFOUND2, "$$", PWord1), vbInformation, HEADER
                'leverage finding Pword by trying on other sheets
                For Each w2 In Worksheets
                  w2.Unprotect PWord1
                Next w2
                Exit Do 'Bypass all for...nexts
              End If
            Next: Next: Next: Next: Next: Next
            Next: Next: Next: Next: Next: Next
          Loop Until True
          On Error GoTo 0
        End If
      End With
    Next w1
  End If
  MsgBox ALLCLEAR & AUTHORS & VERSION & REPBACK, vbInformation, HEADER
End Sub


Sub PasswordBreaker()
  Dim i As Integer, j As Integer, k As Integer
  Dim l As Integer, m As Integer, n As Integer
  Dim i1 As Integer, i2 As Integer, i3 As Integer
  Dim i4 As Integer, i5 As Integer, i6 As Integer
  On Error Resume Next
  For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
  For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
  For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
  For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
    ActiveSheet.Unprotect Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
    If ActiveSheet.ProtectContents = False Then
      MsgBox "One usable password is " & Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
      ActiveWorkbook.Sheets(1).Select
      Range("a1").FormulaR1C1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
      Exit Sub
    End If
  Next: Next: Next: Next: Next: Next
  Next: Next: Next: Next: Next: Next
End Sub
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