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curl/lib/mk-ca-bundle.vbs
Guenter Knauf fd765c627f Fix to skip untrusted certs.
2011-11-08 05:46:46 +01:00

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'***************************************************************************
'* _ _ ____ _
'* Project ___| | | | _ \| |
'* / __| | | | |_) | |
'* | (__| |_| | _ <| |___
'* \___|\___/|_| \_\_____|
'*
'* Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
'*
'* This software is licensed as described in the file COPYING, which
'* you should have received as part of this distribution. The terms
'* are also available at http://curl.haxx.se/docs/copyright.html.
'*
'* You may opt to use, copy, modify, merge, publish, distribute and/or sell
'* copies of the Software, and permit persons to whom the Software is
'* furnished to do so, under the terms of the COPYING file.
'*
'* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
'* KIND, either express or implied.
'*
'***************************************************************************
'* Script to fetch certdata.txt from Mozilla.org site and create a
'* ca-bundle.crt for use with OpenSSL / libcurl / libcurl bindings
'* Requires WinHttp.WinHttpRequest.5.1 and ADODB.Stream which are part of
'* W2000 SP3 or later, WXP SP1 or later, W2003 Server SP1 or later.
'* Hacked by Guenter Knauf
'***************************************************************************
Option Explicit
Const myVersion = "0.3.6"
Const myUrl = "http://mxr.mozilla.org/mozilla/source/security/nss/lib/ckfw/builtins/certdata.txt?raw=1"
Const myOpenssl = "openssl.exe"
Const myCdSavF = FALSE ' Flag: save downloaded data to file certdata.txt
Const myCaBakF = TRUE ' Flag: backup existing ca-bundle certificate
Const myAskLiF = TRUE ' Flag: display certdata.txt license agreement
Const myAskTiF = TRUE ' Flag: ask to include certificate text info
'******************* Nothing to configure below! *******************
Dim objShell, objNetwork, objFSO, objHttp
Dim myBase, mySelf, myFh, myTmpFh, myCdData, myCdFile, myCaFile, myTmpName, myBakNum, myOptTxt, i
Set objNetwork = WScript.CreateObject("WScript.Network")
Set objShell = WScript.CreateObject("WScript.Shell")
Set objFSO = WScript.CreateObject("Scripting.FileSystemObject")
Set objHttp = WScript.CreateObject("WinHttp.WinHttpRequest.5.1")
If objHttp Is Nothing Then Set objHttp = WScript.CreateObject("WinHttp.WinHttpRequest")
myBase = Left(WScript.ScriptFullName, InstrRev(WScript.ScriptFullName, "\"))
mySelf = Left(WScript.ScriptName, InstrRev(WScript.ScriptName, ".") - 1) & " " & myVersion
myCdFile = Mid(myUrl, InstrRev(myUrl, "/") + 1, InstrRev(myUrl, "?") - InstrRev(myUrl, "/") - 1)
myCaFile = "ca-bundle.crt"
myTmpName = InputBox("Enter output filename:", mySelf, myCaFile)
If Not (myTmpName = "") Then
myCaFile = myTmpName
End If
' Lets ignore SSL invalid cert errors
objHttp.Option(4) = 256 + 512 + 4096 + 8192
objHttp.SetTimeouts 0, 5000, 10000, 10000
objHttp.Open "GET", myUrl, FALSE
objHttp.setRequestHeader "User-Agent", WScript.ScriptName & "/" & myVersion
objHttp.Send ""
If Not (objHttp.statusText = "OK") Then
MsgBox("Failed to download '" & myCdFile & "': " & objHttp.statusText), vbCritical, mySelf
WScript.Quit 1
End If
' Convert data from ResponseBody instead of using ResponseText because of UTF-8
myCdData = ConvertBinaryData(objHttp.ResponseBody)
Set objHttp = Nothing
' Write received data to file if enabled
If (myCdSavF = TRUE) Then
Set myFh = objFSO.OpenTextFile(myCdFile, 2, TRUE)
myFh.Write myCdData
myFh.Close
End If
' Backup exitsing ca-bundle certificate file
If (myCaBakF = TRUE) Then
If objFSO.FileExists(myCaFile) Then
Dim myBakFile, b
b = 1
myBakFile = myCaFile & ".~" & b & "~"
While objFSO.FileExists(myBakFile)
b = b + 1
myBakFile = myCaFile & ".~" & b & "~"
Wend
Set myTmpFh = objFSO.GetFile(myCaFile)
myTmpFh.Move myBakFile
End If
End If
If (myAskTiF = TRUE) Then
If (6 = objShell.PopUp("Do you want to include text information about each certificate?" & vbLf & _
"(requires OpenSSL commandline in current directory or in search path)",, _
mySelf, vbQuestion + vbYesNo + vbDefaultButton2)) Then
myOptTxt = TRUE
Else
myOptTxt = FALSE
End If
End If
' Process the received data
Dim myLines, myPattern, myInsideCert, myInsideLicense, myLicenseText, myNumCerts, myNumSkipped
Dim myLabel, myOctets, myData, myPem, myRev, myUntrusted, j
myNumSkipped = 0
myNumCerts = 0
myData = ""
myLines = Split(myCdData, vbLf, -1)
Set myFh = objFSO.OpenTextFile(myCaFile, 2, TRUE)
myFh.Write "##" & vbLf
myFh.Write "## " & myCaFile & " -- Bundle of CA Root Certificates" & vbLf
myFh.Write "##" & vbLf
myFh.Write "## Converted at: " & Now & vbLf
myFh.Write "##" & vbLf
myFh.Write "## This is a bundle of X.509 certificates of public Certificate Authorities" & vbLf
myFh.Write "## (CA). These were automatically extracted from Mozilla's root certificates" & vbLf
myFh.Write "## file (certdata.txt). This file can be found in the mozilla source tree:" & vbLf
myFh.Write "## '/mozilla/source/security/nss/lib/ckfw/builtins/certdata.txt'" & vbLf
myFh.Write "##" & vbLf
myFh.Write "## It contains the certificates in PEM format and therefore" & vbLf
myFh.Write "## can be directly used with curl / libcurl / php_curl, or with" & vbLf
myFh.Write "## an Apache+mod_ssl webserver for SSL client authentication." & vbLf
myFh.Write "## Just configure this file as the SSLCACertificateFile." & vbLf
myFh.Write "##" & vbLf
myFh.Write vbLf
For i = 0 To UBound(myLines)
If InstrRev(myLines(i), "CKA_LABEL ") Then
myPattern = "^CKA_LABEL\s+[A-Z0-9]+\s+""(.+?)"""
myLabel = RegExprFirst(myPattern, myLines(i))
End If
If (myInsideCert = TRUE) Then
If InstrRev(myLines(i), "END") Then
myInsideCert = FALSE
While (i < UBound(myLines)) And Not (myLines(i) = "#")
i = i + 1
If (InstrRev(myLines(i), "CKA_TRUST_SERVER_AUTH CK_TRUST CKT_NSS_NOT_TRUSTED") Or _
InstrRev(myLines(i), "CKA_TRUST_SERVER_AUTH CK_TRUST CKT_NSS_TRUST_UNKNOWN")) Then
myUntrusted = TRUE
End If
Wend
If (myUntrusted = TRUE) Then
myNumSkipped = myNumSkipped + 1
Else
myFh.Write myLabel & vbLf
myFh.Write String(Len(myLabel), "=") & vbLf
myPem = "-----BEGIN CERTIFICATE-----" & vbLf & _
Base64Encode(myData) & vbLf & _
"-----END CERTIFICATE-----" & vbLf
If (myOptTxt = FALSE) Then
myFh.Write myPem & vbLf
Else
Dim myCmd, myRval, myTmpIn, myTmpOut
myTmpIn = objFSO.GetSpecialFolder(2).Path & "\" & objFSO.GetTempName
myTmpOut = objFSO.GetSpecialFolder(2).Path & "\" & objFSO.GetTempName
Set myTmpFh = objFSO.OpenTextFile(myTmpIn, 2, TRUE)
myTmpFh.Write myPem
myTmpFh.Close
myCmd = myOpenssl & " x509 -md5 -fingerprint -text -inform PEM" & _
" -in " & myTmpIn & " -out " & myTmpOut
myRval = objShell.Run (myCmd, 0, TRUE)
objFSO.DeleteFile myTmpIn, TRUE
If Not (myRval = 0) Then
MsgBox("Failed to process PEM cert with OpenSSL commandline!"), vbCritical, mySelf
objFSO.DeleteFile myTmpOut, TRUE
WScript.Quit 3
End If
Set myTmpFh = objFSO.OpenTextFile(myTmpOut, 1)
myFh.Write myTmpFh.ReadAll & vbLf
myTmpFh.Close
objFSO.DeleteFile myTmpOut, TRUE
End If
myNumCerts = myNumCerts + 1
End If
Else
myOctets = Split(myLines(i), "\")
For j = 1 To UBound(myOctets)
myData = myData & Chr(CByte("&o" & myOctets(j)))
Next
End If
End If
If InstrRev(myLines(i), "CVS_ID ") Then
myPattern = "^CVS_ID\s+""(.+?)"""
myRev = RegExprFirst(myPattern, myLines(i))
myFh.Write "# " & myRev & vbLf & vbLf
End If
If InstrRev(myLines(i), "CKA_VALUE MULTILINE_OCTAL") Then
myInsideCert = TRUE
myUntrusted = FALSE
myData = ""
End If
If InstrRev(myLines(i), "***** BEGIN LICENSE BLOCK *****") Then
myInsideLicense = TRUE
End If
If (myInsideLicense = TRUE) Then
myFh.Write myLines(i) & vbLf
myLicenseText = myLicenseText & Mid(myLines(i), 2) & vbLf
End If
If InstrRev(myLines(i), "***** END LICENSE BLOCK *****") Then
myInsideLicense = FALSE
If (myAskLiF = TRUE) Then
If Not (6 = objShell.PopUp(myLicenseText & vbLf & _
"Do you agree to the license shown above (required to proceed) ?",, _
mySelf, vbQuestion + vbYesNo + vbDefaultButton1)) Then
myFh.Close
objFSO.DeleteFile myCaFile, TRUE
WScript.Quit 2
End If
End If
End If
Next
myFh.Close
objShell.PopUp "Done (" & myNumCerts & " CA certs processed, " & myNumSkipped & _
" untrusted skipped).", 20, mySelf, vbInformation
WScript.Quit 0
Function ConvertBinaryData(arrBytes)
Dim objStream
Set objStream = CreateObject("ADODB.Stream")
objStream.Open
objStream.Type = 1
objStream.Write arrBytes
objStream.Position = 0
objStream.Type = 2
objStream.Charset = "ascii"
ConvertBinaryData = objStream.ReadText
Set objStream = Nothing
End Function
Function RegExprFirst(SearchPattern, TheString)
Dim objRegExp, Matches ' create variables.
Set objRegExp = New RegExp ' create a regular expression.
objRegExp.Pattern = SearchPattern ' sets the search pattern.
objRegExp.IgnoreCase = TRUE ' set to ignores case.
objRegExp.Global = TRUE ' set to gloabal search.
Set Matches = objRegExp.Execute(TheString) ' do the search.
If (Matches.Count) Then
RegExprFirst = Matches(0).SubMatches(0) ' return first match.
Else
RegExprFirst = ""
End If
Set objRegExp = Nothing
End Function
Function Base64Encode(inData)
Const Base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
Dim cOut, sOut, I
'For each group of 3 bytes
For I = 1 To Len(inData) Step 3
Dim nGroup, pOut, sGroup
'Create one long from this 3 bytes.
nGroup = &H10000 * Asc(Mid(inData, I, 1)) + _
&H100 * MyASC(Mid(inData, I + 1, 1)) + _
MyASC(Mid(inData, I + 2, 1))
'Oct splits the long To 8 groups with 3 bits
nGroup = Oct(nGroup)
'Add leading zeros
nGroup = String(8 - Len(nGroup), "0") & nGroup
'Convert To base64
pOut = Mid(Base64, CLng("&o" & Mid(nGroup, 1, 2)) + 1, 1) & _
Mid(Base64, CLng("&o" & Mid(nGroup, 3, 2)) + 1, 1) & _
Mid(Base64, CLng("&o" & Mid(nGroup, 5, 2)) + 1, 1) & _
Mid(Base64, CLng("&o" & Mid(nGroup, 7, 2)) + 1, 1)
'Add the part To OutPut string
sOut = sOut + pOut
'Add a new line For Each 76 chars In dest (76*3/4 = 57)
If (I < Len(inData) - 2) Then
If (I + 2) Mod 57 = 0 Then sOut = sOut & vbLf
End If
Next
Select Case Len(inData) Mod 3
Case 1: '8 bit final
sOut = Left(sOut, Len(sOut) - 2) & "=="
Case 2: '16 bit final
sOut = Left(sOut, Len(sOut) - 1) & "="
End Select
Base64Encode = sOut
End Function
Function MyASC(OneChar)
If OneChar = "" Then MyASC = 0 Else MyASC = Asc(OneChar)
End Function
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