On Fri, Jan 11, 2013 at 06:47:52PM +0100, Petr Spacek wrote:
> Hello,
> 
>     Don't fail if idnsSOAserial attribute is missing in LDAP.
> 
>     DNS zones created on remote IPA 3.0 server don't have
>     idnsSOAserial attribute present in LDAP.
> 
>     https://bugzilla.redhat.com/show_bug.cgi?id=894131
> 
> 
> Attached patch contains the minimal set of changes need for resurrecting BIND.
> 
> In configurations with serial auto-increment:
> - enabled (IPA 3.0+ default) - some new serial is written back to
> LDAP nearly immediately
> - disabled - the attribute will be missing forever

Ack

> From 958f46a5ceee336e2466686bafbb203082e2ccc1 Mon Sep 17 00:00:00 2001
> From: Petr Spacek <pspa...@redhat.com>
> Date: Fri, 11 Jan 2013 17:30:03 +0100
> Subject: [PATCH] Don't fail if idnsSOAserial attribute is missing in LDAP.
> 
> DNS zones created on remote IPA 3.0 server don't have
> idnsSOAserial attribute present in LDAP.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=894131
> 
> Signed-off-by: Petr Spacek <pspa...@redhat.com>
> ---
>  src/ldap_entry.c | 18 ++++++++++++++++--
>  1 file changed, 16 insertions(+), 2 deletions(-)
> 
> diff --git a/src/ldap_entry.c b/src/ldap_entry.c
> index 
> 1e165ca696ccafa177f17b97bda08ed9cc344c7d..52b927d410300eb6df98ea058c3a08b426d66a70
>  100644
> --- a/src/ldap_entry.c
> +++ b/src/ldap_entry.c
> @@ -350,8 +350,9 @@ ldap_entry_getfakesoa(ldap_entry_t *entry, const 
> ld_string_t *fake_mname,
>       ldap_valuelist_t values;
>       int i = 0;
>  
> +     const char *soa_serial_attr = "idnsSOAserial";
>       const char *soa_attrs[] = {
> -             "idnsSOAmName", "idnsSOArName", "idnsSOAserial",
> +             "idnsSOAmName", "idnsSOArName", soa_serial_attr,
>               "idnsSOArefresh", "idnsSOAretry", "idnsSOAexpire",
>               "idnsSOAminimum", NULL
>       };
> @@ -366,12 +367,25 @@ ldap_entry_getfakesoa(ldap_entry_t *entry, const 
> ld_string_t *fake_mname,
>               CHECK(str_cat_char(target, " "));
>       }
>       for (; soa_attrs[i] != NULL; i++) {
> -             CHECK(ldap_entry_getvalues(entry, soa_attrs[i], &values));
> +             result = ldap_entry_getvalues(entry, soa_attrs[i], &values);
> +             /** Workaround for
> +              *  https://bugzilla.redhat.com/show_bug.cgi?id=894131
> +              *  DNS zones created on remote IPA 3.0 server don't have
> +              *  idnsSOAserial attribute present in LDAP. */
> +             if (result == ISC_R_NOTFOUND
> +                 && soa_attrs[i] == soa_serial_attr) {
> +                     /* idnsSOAserial is missing! Read it as 1. */
> +                     CHECK(str_cat_char(target, "1 "));
> +                     continue;
> +             } else if (result != ISC_R_SUCCESS)
> +                     goto cleanup;
> +
>               CHECK(str_cat_char(target, HEAD(values)->value));
>               CHECK(str_cat_char(target, " "));
>       }
>  
>  cleanup:
> +     /* TODO: check for memory leaks */
>       return result;
>  }
>  
> -- 
> 1.7.11.7
> 


-- 
Adam Tkac, Red Hat, Inc.

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