[Bug 16563] New: asn.1-decoding OIDs with only two components fails

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=16563

           Summary: asn.1-decoding OIDs with only two components fails
           Product: Wine
           Version: 1.1.10
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: crypt32
        AssignedTo: juan_lang at yahoo.com
        ReportedBy: juan_lang at yahoo.com


Spotted this while playing with the new cryptui dialogs.  They're probably the
easiest way to reproduce it, too.

As of today's git, to reproduce, apply the 15-patch series beginning here:
http://www.winehq.org/pipermail/wine-patches/2008-December/066402.html
Assuming the patches are accepted, you can use git version 1.1.11 when it comes
out instead.

Steps to reproduce:
1. Find a program or write a small program that calls
CryptUIDlgViewCertificateA/W (Outlook and Chrome are two examples.)
2. Switch to the "Details" tab of the "Certificate" dialog.
3. Click "Edit Properties" in the "Details" tab.
4. Click "Enable only the following purposes for this certificate" in the
"Certificate Properties" dialog.
5. Click "Add Purpose".  Add an OID with no more than two components in the
"Add Purpose" dialog and click OK.  Example OIDs:  1.1, 2.2, 1.700
6. Click OK in the "Certificate Properties" dialog.
7. Click "Edit Properties" again in the "Certificate" dialog.

Expected behavior:
The OID you entered in step 5. appears in the OID list.

Actual behavior:
Some random OID appears instead.

Scanning traces shows that the correct OID is passed all the way through
CryptEncodeObjectEx and saved in the certificate's property list, but when it's
decoded the random OID comes back from CryptDecodeObjectEx.

Assigning to myself since I wrote all of the offending code.


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