[27942] in Kerberos
Re: Question about freeing memory when using krb5_get_credentials
daemon@ATHENA.MIT.EDU (Markus Moeller)
Fri Jun 15 14:20:28 2007
To: kerberos@mit.edu
From: "Markus Moeller" <huaraz@moeller.plus.com>
Date: Fri, 15 Jun 2007 19:13:05 +0100
Message-ID: <f4ukrn$a1u$1@sea.gmane.org>
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Tom,
yes your fix is solving my issue.
Thank you
Markus
"Tom Yu" <tlyu@MIT.EDU> wrote in message
news:ldv1wge2msr.fsf@cathode-dark-space.mit.edu...
>>>>>> "Markus" == Markus Moeller <huaraz@moeller.plus.com> writes:
>
> Markus> My capath looks like:
> Markus> [capaths]
> Markus> SUSE.HOME = {
> Markus> XEN.HOME = WINDOWS2003.HOME
> Markus> WINDOWS2003.HOME = .
> Markus> }
> Markus> XEN.HOME = {
> Markus> SUSE.HOME = WINDOWS2003.HOME
> Markus> }
> Markus> WINDOWS2003.HOME = {
> Markus> SUSE.HOME = .
> Markus> }
>
> I assume that you are attempting to authenticate between two realms
> which are listed in your capaths as directly connected. Please try
> the following patch and let me know if it stops the leak. Basically
> it looks like a pointer is getting overwritten and thereby leaking a
> string allocated by the profile library.
>
> === src/lib/krb5/krb/walk_rtree.c
> ==================================================================
> --- src/lib/krb5/krb/walk_rtree.c (revision 20062)
> +++ src/lib/krb5/krb/walk_rtree.c (local)
> @@ -167,6 +167,9 @@
> links++;
> }
> }
> + if (cap_nodes[links] != NULL)
> + krb5_xfree(cap_nodes[links]);
> +
> cap_nodes[links] = cap_server; /* put server on end of list */
> /* this simplifies the code later and make */
> /* cleanup eaiser as well */
>
> ________________________________________________
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>
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