[stunnel-users] Upcoming stunnel 5.29 release

Tue Jan 5 05:46:57 CET 2016

Mich,
I found a regression in 5.29.If I run stunnel.exe or tstunnel.exe with no arguments, having a configuration file stunnel.conf in the current directory, the program segfaults. This works fine on 5.28 or previous versions.
I uploaded a dump file to http://www.osronline.com/page.cfm?name=Analyze and the report pointed to a call to strncpy. Then, I ran a diff between 5.28 and 5.29 sources  and this sent me to file options.c, function options_cmdline. I found that in the call  strncpy(configuration_file, name, PATH_MAX-1), name was null. The problem is that variable name initialized at the begining of the function is garbled at the end.  The following patch fixed the issue for me:

--- options.c.old       Tue Dec 22 18:09:39 2015
+++ options.c   Mon Jan 04 23:14:29 2016
@@ -272,8 +272,11 @@
     } else
 #endif
     {
-        name=arg1;
-        type=CONF_FILE;
+        if (arg1)
+       {
+               name=arg1;
+               type=CONF_FILE;
+       }
     }

 #ifdef HAVE_REALPATH

Regards,
Jose A. Diaz 

    On Monday, January 4, 2016 4:11 PM, Michal Trojnara <Michal.Trojnara at mirt.net> wrote:
 

 -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Hi Guys,

This Friday I intend to release stunnel 5.29.

The planned list of changes:

* New features
  - New WIN32 icons.
  - Performance improvement: rwlocks used for locking with pthreads.

* Bugfixes
  - Compilation fix for *BSD.
  - Fixed configuration file reload for relative stunnel.conf path
    on Unix.
  - Fixed ignoring CRLfile unless CAfile was also specified (thx
    to Strukov Petr).

Feel free to try stunnel 5.29b3, so I can fix any
discovered issues before the final release:
https://www.stunnel.org/downloads.html

Best regards,
    Mike
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