RE: access violation in slapd (userCerficate search) (ITS#2004)

[Kurt@OpenLDAP.org]

I've committed to HEAD (available via CVS) a fix to this problem.
Please test.

Kurt

At 09:33 AM 2002-08-20, sim@x509.ru wrote:
>The same problem is in version 2.1.3. So I add next strings to source:
>
>slapd/ad.c:
>....
>        /* check for language tags */
>        //sim: try to avoid access violation
>        if (!super->ad_lang.bv_len)
>                return 1;
>....
>to avoid access violation right now, and I would wait for version 2.1.4
>to fix this error completely.
>
>Thank you for response,
>Sergey V. Simakov  mailto:sim@x509.ru
>
>> -----Original Message-----
>> From: Kurt D. Zeilenga [mailto:Kurt@OpenLDAP.org] 
>> Sent: Tuesday, August 20, 2002 3:08 AM
>> To: óÉÍÁËÏ× óÅÒÇÅÊ
>> Cc: openldap-its@OpenLDAP.org
>> Subject: RE: access violation in slapd (userCerficate search) 
>> (ITS#2004)
>> 
>> 
>> 2.1.2 is a bit dated.  You might try OPENLDAP_REL_ENG_2_1
>> to see if its been resolved there (or wait for 2.1.4 to
>> be released).
>> 
>> At 03:21 PM 2002-08-13, sim@x509.ru wrote:
>> >OK, I was busy last week, but there is founded bug
>> >
>> >Call stack:
>> >slapd!strchrlen+0x1c
>> >slapd!is_ad_sublang+0x4a
>> >slapd!is_ad_subtype+0x65
>> >slapd!ad_inlist+0x44
>> >slapd!send_search_entry+0x4a0
>> >slapd!bdb_search+0xf6c
>> >slapd!do_search+0x7c1
>> >slapd!connection_operation+0x324 
>> >slapd!ldap_int_thread_pool_wrapper+0xf7
>> >slapd!_threadstartex+0x73
>> >KERNEL32!BaseThreadStart+0x52
>> >
>> >Code (servers/slapd/search.c):
>> >...
>> >/* actually do the search and send the result(s) */
>> >        if ( be->be_search ) {
>> >                (*be->be_search)( be, conn, op, &pbase, &nbase,
>> >                        scope, deref, sizelimit,
>> >                    timelimit, filter, &fstr, an, attrsonly ); ...
>> >
>> >here an->an_desc->ad_lang->bv_val is uninitialized 
>> (0xcdcdcdcd), but is 
>> >used other functions (bdb_search and so on)
>> >
>> >Best regards,
>> >Sergey V. Simakov  mailto:sim@x509.ru
>> >security software engineer, MCP+Internet, MCSE
>> >VALIDATA http://www.x509.ru
>> >
>> >> -----Original Message-----
>> >> From: Kurt D. Zeilenga [mailto:Kurt@OpenLDAP.org]
>> >> Sent: Sunday, August 04, 2002 9:23 AM
>> >> To: Õêîâìðþ Õåôúåë
>> >> Cc: openldap-its@OpenLDAP.org
>> >> Subject: Re: access violation in slapd (userCerficate search) 
>> >> (ITS#2004)
>> >> 
>> >> 
>> >> Where's the software bug?  Looks like normal behavior to me.
>> >> 
>> >> Kurt
>> >> 
>> >> At 08:34 AM 2002-08-02, sim@x509.ru wrote:
>> >> >Full_Name: Sergey Simakov
>> >> >Version: 2.1.2
>> >> >OS: Windows 2000
>> >> >URL: ftp://ftp.openldap.org/incoming/
>> >> >Submission from: (NULL) (194.186.131.178)
>> >> >
>> >> >
>> 
>>