openssh bugs - Mar 2004 - [Bug 825] OpenSSH 3.8p1 breaks on Solaris 8 with 4in6 mapped addresses

http://bugzilla.mindrot.org/show_bug.cgi?id=825

           Summary: OpenSSH 3.8p1 breaks on Solaris 8 with 4in6 mapped
                    addresses
           Product: Portable OpenSSH
           Version: 3.8p1
          Platform: All
        OS/Version: Solaris
            Status: NEW
          Severity: normal
          Priority: P3
         Component: sshd
        AssignedTo: openssh-bugs at mindrot.org
        ReportedBy: mager at tzi.de


Hello,
Darren Tucker asked me to file a bug report here.

Short: OpenSSH 3.8p1 breaks on my Solaris 8 boxes (sparc and x86) when using
4in6 mapped addresses. IPv6 connections work fine.
Longer: http://marc.theaimsgroup.com/?l=secure-shell&m=107850542916554

Build with gcc 3.3.3 and this configure line:
./configure --prefix=/usr/opt/ssh --with-zlib=../zlib-1.2.1
--with-ssl-dir=../openssl-0.9.7d

Server: Solaris8 sparc+x86, with OpenSSH3.8.1p1
        using "ListenAddress ::" on dual IPv4/6 stack or IPv4-only
Client: Linux, Solaris, OpenSSH3.8.1p1, ssh.com 3.2.5
Remark: All connections are non-local (always two machines are involved)

Debug logs follow shortly.

Regards
   Markus



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------- Additional Comments From mager at tzi.de  2004-03-31 02:39 -------
Created an attachment (id=582)
 --> (http://bugzilla.mindrot.org/attachment.cgi?id=582&action=view)
Server 1, Solaris8/sparc, dual stack, sshd -ddd




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------- Additional Comments From mager at tzi.de  2004-03-31 02:41 -------
Created an attachment (id=583)
 --> (http://bugzilla.mindrot.org/attachment.cgi?id=583&action=view)
Client 1, Solaris8/sparc, IPv4 only, ssh -vvv




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------- Additional Comments From mager at tzi.de  2004-03-31 02:42 -------
Created an attachment (id=584)
 --> (http://bugzilla.mindrot.org/attachment.cgi?id=584&action=view)
Server 2, Solaris8/x86, IPv4 only, sshd -ddd




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------- Additional Comments From mager at tzi.de  2004-03-31 02:43 -------
Created an attachment (id=585)
 --> (http://bugzilla.mindrot.org/attachment.cgi?id=585&action=view)
Client 2, Linux/x86, dual stack, ssh -vvv




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------- Additional Comments From mager at tzi.de  2004-03-31 02:45 -------
*** Bug 824 has been marked as a duplicate of this bug. ***



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roland.mainz at nrubsig.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |roland.mainz at nrubsig.org





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------- Additional Comments From mager at tzi.de  2004-03-31 03:57 -------
Just another note:
* OpenSSH 3.7.1p2 works fine
* configure reports:
    Translate v4 in v6 hack: no
  while the Changelog says:
    20031123
 - (djm) [canohost.c] Move IPv4inV6 mapped address normalisation to its own
   function and call it unconditionally
* Checking the source proves the Changelog right
  (see the "fix" in my original posting to the mailinglist which
revokes the
"unconditionally" part)



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dtucker at zip.com.au changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
OtherBugsDependingO|                            |821
              nThis|                            |
             Status|NEW                         |ASSIGNED



------- Additional Comments From dtucker at zip.com.au  2004-03-31 12:59 -------
OK, I can now reproduce it.  Should fix for 3.8.1p1 (not sure how yet).



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------- Additional Comments From djm at mindrot.org  2004-03-31 14:40 -------
Created an attachment (id=587)
 --> (http://bugzilla.mindrot.org/attachment.cgi?id=587&action=view)
Call check_ip_options before mapped address normalisation

This is dying because we found IP options, but this check (for now) is supposed
to be IPv4 only. Unfortunately we have normalised the address format before
this is conditionally called, so it was being called for mapped IPv6 addresses
too.

Please try this patch.



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dtucker at zip.com.au changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
    Attachment #587|                            |ok
             Status|                            |



------- Additional Comments From dtucker at zip.com.au  2004-03-31 14:56 -------
(From update of attachment 587)
Patch fixes the problem for me.




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------- Additional Comments From mager at tzi.de  2004-03-31 20:49 -------
Hello,

the patch fixes this problem for me on Solaris/sparc+x86 while it does not break
linux. ;-) Great!

Thanks for the quick fix.

Regards
  Markus



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dtucker at zip.com.au changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED



------- Additional Comments From dtucker at zip.com.au  2004-03-31 20:52 -------
Patch has been committed and will be in 3.8.1p1.  Thanks for the report.



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djm at mindrot.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED



------- Additional Comments From djm at mindrot.org  2004-04-19 23:32 -------
Closed with release of portable OpenSSH 3.8.1p1



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