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4b4401e26a
curl/lib/mk-ca-bundle.vbs
Daniel Stenberg 4d2f800677
curl.se: new home 
Closes #6172
2020-11-04 23:59:47 +01:00

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'***************************************************************************
'* _ _ ____ _
'* Project ___| | | | _ \| |
'* / __| | | | |_) | |
'* | (__| |_| | _ <| |___
'* \___|\___/|_| \_\_____|
'*
'* Copyright (C) 1998 - 2020, 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 https://curl.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 = "0.4.0"
Const myUrl = "https://hg.mozilla.org/releases/mozilla-release/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt"
Const myOpenSSL = "openssl.exe"
Dim myUseOpenSSL
myUseOpenSSL = TRUE ' Flag: TRUE to use OpenSSL. If TRUE and is not
' found then a warning is shown before continuing.
Const myCdSavF = TRUE ' 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 myWrapLe = 76 ' Default length of base64 output lines
' cert info code doesn't work properly with any recent openssl, leave disabled.
' Also: we want our certificate output by default to be as similar as possible
' to mk-ca-bundle.pl and setting this TRUE changes the base64 width to
' OpenSSL's built-in default width, which is not the same as mk-ca-bundle.pl.
Const myAskTiF = FALSE ' Flag: ask to include certificate text info
'
'******************* Nothing to configure below! *******************
'
Const adTypeBinary = 1
Const adTypeText = 2
Const adSaveCreateNotExist = 1
Const adSaveCreateOverWrite = 2
Dim objShell, objNetwork, objFSO, objHttp
Dim myBase, mySelf, myStream, myTmpFh, myCdData, myCdFile
Dim 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)
myCaFile = "ca-bundle.crt"
myTmpName = InputBox("It will take a minute to download and parse the " & _
"certificate data." & _
vbLf & vbLf & _
"Please enter the output filename:", mySelf, myCaFile)
If (myTmpName = "") Then
WScript.Quit 1
End If
myCaFile = myTmpName
If (myCdFile = "") Then
MsgBox("URL does not contain filename!"), vbCritical, mySelf
WScript.Quit 1
End If
' Don't use OpenSSL if it's not present.
If (myUseOpenSSL = TRUE) Then
Dim errnum
On Error Resume Next
Call objShell.Run("""" & myOpenSSL & """ version", 0, TRUE)
errnum = Err.Number
On Error GoTo 0
If Not (errnum = 0) Then
myUseOpenSSL = FALSE
MsgBox("OpenSSL was not found so the certificate bundle will not " & _
"include the SHA256 hash of the raw certificate data file " & _
"that was used to generate the certificates in the bundle. " & _
vbLf & vbLf & _
"This does not have any effect on the certificate output, " & _
"so this script will continue." & _
vbLf & vbLf & _
"If you want to set a custom location for OpenSSL or disable " & _
"this message then edit the variables at the start of the " & _
"script."), vbInformation, mySelf
End If
End If
If (myAskTiF = TRUE) And (myUseOpenSSL = TRUE) Then
If (6 = objShell.PopUp("Do you want to include text information about " & _
"each certificate?" & vbLf & _
"(Requires OpenSSL.exe in the current directory " & _
"or search path)",, _
mySelf, vbQuestion + vbYesNo + vbDefaultButton2)) Then
myOptTxt = TRUE
Else
myOptTxt = FALSE
End If
End If
' Uncomment the line below to 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.Status = 200) Then
MsgBox("Failed to download '" & myCdFile & "': " & objHttp.Status & " - " & objHttp.StatusText), vbCritical, mySelf
WScript.Quit 1
End If
' Write received data to file if enabled
If (myCdSavF = TRUE) Then
Call SaveBinaryData(myCdFile, objHttp.ResponseBody)
End If
' Convert data from ResponseBody instead of using ResponseText because of UTF-8
myCdData = ConvertBinaryToUTF8(objHttp.ResponseBody)
Set objHttp = Nothing
' 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
' 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 myStream = CreateObject("ADODB.Stream")
myStream.Open
myStream.Type = adTypeText
myStream.Charset = "utf-8"
myStream.WriteText "##" & vbLf & _
"## Bundle of CA Root Certificates" & vbLf & _
"##" & vbLf & _
"## Certificate data from Mozilla as of: " & _
ConvertDateToString(LocalDateToUTC(Now)) & " GMT" & vbLf & _
"##" & vbLf & _
"## This is a bundle of X.509 certificates of public Certificate Authorities" & vbLf & _
"## (CA). These were automatically extracted from Mozilla's root certificates" & vbLf & _
"## file (certdata.txt). This file can be found in the mozilla source tree:" & vbLf & _
"## " & myUrl & vbLf & _
"##" & vbLf & _
"## It contains the certificates in PEM format and therefore" & vbLf & _
"## can be directly used with curl / libcurl / php_curl, or with" & vbLf & _
"## an Apache+mod_ssl webserver for SSL client authentication." & vbLf & _
"## Just configure this file as the SSLCACertificateFile." & vbLf & _
"##" & vbLf & _
"## Conversion done with mk-ca-bundle.vbs version " & myVersion & "." & vbLf
If (myCdSavF = TRUE) And (myUseOpenSSL = TRUE) Then
myStream.WriteText "## SHA256: " & FileSHA256(myCdFile) & vbLf
End If
myStream.WriteText "##" & vbLf & vbLf
myStream.WriteText 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_TRUSTED_DELEGATOR") Then
myUntrusted = FALSE
End If
Wend
If (myUntrusted = TRUE) Then
myNumSkipped = myNumSkipped + 1
Else
myStream.WriteText myLabel & vbLf
myStream.WriteText String(Len(myLabel), "=") & vbLf
myPem = "-----BEGIN CERTIFICATE-----" & vbLf & _
Base64Encode(myData) & vbLf & _
"-----END CERTIFICATE-----" & vbLf
If (myOptTxt = FALSE) Then
myStream.WriteText 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)
myStream.WriteText 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))
myStream.WriteText "# " & myRev & vbLf & vbLf
End If
If InstrRev(myLines(i), "CKA_VALUE MULTILINE_OCTAL") Then
myInsideCert = TRUE
myUntrusted = TRUE
myData = ""
End If
If InstrRev(myLines(i), "***** BEGIN LICENSE BLOCK *****") Then
myInsideLicense = TRUE
End If
If (myInsideLicense = TRUE) Then
myStream.WriteText 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
myStream.Close
objFSO.DeleteFile myCaFile, TRUE
WScript.Quit 2
End If
End If
End If
Next
' To stop the UTF-8 BOM from being written the stream has to be copied and
' then saved as binary.
Dim myCopy
Set myCopy = CreateObject("ADODB.Stream")
myCopy.Type = adTypeBinary
myCopy.Open
myStream.Position = 3 ' Skip UTF-8 BOM
myStream.CopyTo myCopy
myCopy.SaveToFile myCaFile, adSaveCreateOverWrite
myCopy.Close
myStream.Close
Set myCopy = Nothing
Set myStream = Nothing
' Done
objShell.PopUp "Done (" & myNumCerts & " CA certs processed, " & myNumSkipped & _
" untrusted skipped).", 20, mySelf, vbInformation
WScript.Quit 0
Function ConvertBinaryToUTF8(arrBytes)
Dim objStream
Set objStream = CreateObject("ADODB.Stream")
objStream.Open
objStream.Type = adTypeBinary
objStream.Write arrBytes
objStream.Position = 0
objStream.Type = adTypeText
objStream.Charset = "utf-8"
ConvertBinaryToUTF8 = objStream.ReadText
Set objStream = Nothing
End Function
Function SaveBinaryData(filename, data)
Dim objStream
Set objStream = CreateObject("ADODB.Stream")
objStream.Type = adTypeBinary
objStream.Open
objStream.Write data
objStream.SaveToFile filename, adSaveCreateOverWrite
objStream.Close
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 global 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, lWrap, I
lWrap = Int(myWrapLe * 3 / 4)
'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 myWrapLe chars In dest
If (I < Len(inData) - 2) Then
If (I + 2) Mod lWrap = 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
' Return the date in the same format as perl to match mk-ca-bundle.pl output:
' Wed Sep 7 03:12:05 2016
Function ConvertDateToString(input)
Dim output
output = WeekDayName(WeekDay(input), TRUE) & " " & _
MonthName(Month(input), TRUE) & " "
If (Len(Day(input)) = 1) Then
output = output & " "
End If
output = output & _
Day(input) & " " & _
FormatDateTime(input, vbShortTime) & ":"
If (Len(Second(input)) = 1) Then
output = output & "0"
End If
output = output & _
Second(input) & " " & _
Year(input)
ConvertDateToString = output
End Function
' Convert local Date to UTC. Microsoft says:
' Use Win32_ComputerSystem CurrentTimeZone property, because it automatically
' adjusts the Time Zone bias for daylight saving time; Win32_Time Zone Bias
' property does not.
' https://msdn.microsoft.com/en-us/library/windows/desktop/ms696015.aspx
Function LocalDateToUTC(localdate)
Dim item, offset
For Each item In GetObject("winmgmts:").InstancesOf("Win32_ComputerSystem")
offset = item.CurrentTimeZone ' the offset in minutes
Next
If (offset < 0) Then
LocalDateToUTC = DateAdd("n", ABS(offset), localdate)
Else
LocalDateToUTC = DateAdd("n", -ABS(offset), localdate)
End If
'objShell.PopUp LocalDateToUTC
End Function
Function FileSHA256(filename)
Dim cmd, rval, tmpOut, tmpFh
if (myUseOpenSSL = TRUE) Then
tmpOut = objFSO.GetSpecialFolder(2).Path & "\" & objFSO.GetTempName
cmd = """" & myOpenSSL & """ dgst -r -sha256 -out """ & tmpOut & """ """ & filename & """"
rval = objShell.Run(cmd, 0, TRUE)
If Not (rval = 0) Then
MsgBox("Failed to get sha256 of """ & filename & """ with OpenSSL commandline!"), vbCritical, mySelf
objFSO.DeleteFile tmpOut, TRUE
WScript.Quit 3
End If
Set tmpFh = objFSO.OpenTextFile(tmpOut, 1)
FileSHA256 = RegExprFirst("^([0-9a-f]{64}) .+", tmpFh.ReadAll)
tmpFh.Close
objFSO.DeleteFile tmpOut, TRUE
Else
FileSHA256 = ""
End If
End Function
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