[Samba] Can't use DNS Manager in MMC on Samba 4.12.0

[Alex MacCuish]

I opened bug 14310 (https://bugzilla.samba.org/show_bug.cgi?id=14310). 
Are attachments I upload there already restricted or do I have to do 
that myself?

Alex

On 14/03/2020 22:38, Andrew Bartlett via samba wrote:
> We normally do this via attachments to bugzilla bugs restricted to the
> samba developers group.  Start by filing a bug about this.
>
> Andrew Bartlett
>
> On Sat, 2020-03-14 at 22:30 +0000, Alex MacCuish via samba wrote:
>> No worries Andrew. I haven't upgraded all servers yet so it's not urgent!
>>
>> Is there a secure place I can upload my logs for when there's time to
>> take a look?
>>
>> Cheers
>>
>> Alex
>>
>> On 05/03/2020 23:21, Andrew Bartlett via samba wrote:
>>> On Wed, 2020-03-04 at 18:07 +0000, Alex MacCuish via samba wrote:
>>>> On Samba 4.12.0, I receive the error "ndr_pull_uint32:
>>>> ndr_pull_error(Buffer Size Error): Pull bytes 4
>>>> (../../librpc/ndr/ndr_basic.c:152) at
>>>> ../../librpc/ndr/ndr_basic.c:152"
>>>> when opening the DNS Manager in MMC.
>>>>
>>>> This jumped out at me from the log-level 10 output (I'm happy to
>>>> send
>>>> the full logs but would rather do that somewhere more private):
>>> G'Day Alex,
>>>
>>> I just wanted to say that I've seen your mails and am aware of your
>>> report but have been dealing with other Samba issues.
>>>
>>> I would say that logs from 'dnsserver' and port 135 not listening are
>>> mutually exclusive conditions, unless the RPC server has crashed, but
>>> that should be pretty loud in the logs if so.
>>>
>>> I don't have any more clues or suggestions right now.
>>>
>>> Sorry!
>>>
>>> Andrew Bartlett
>>>
>>>> /dnsserver: Found DNS zone xxx.xxx.xxx//
>>>> //ndr_pull_uint32: ndr_pull_error(Buffer Size Error): Pull bytes 4
>>>> (../../librpc/ndr/ndr_basic.c:152) at
>>>> ../../librpc/ndr/ndr_basic.c:152//
>>>> //     DnssrvComplexOperation2: struct DnssrvComplexOperation2//
>>>> //        out: struct DnssrvComplexOperation2//
>>>> //            pdwTypeOut               : *//
>>>> //                pdwTypeOut               : DNSSRV_TYPEID_NULL (0)//
>>>> //            ppDataOut                : *//
>>>> //                ppDataOut                : union
>>>> DNSSRV_RPC_UNION(case
>>>> 0)//
>>>> //                Null                     : NULL//
>>>> //            result                   :
>>>> WERR_DNS_ERROR_DS_UNAVAILABLE//
>>>> //Sealed 16 bytes, and got 76 bytes header/signature.//
>>>> //dcerpc_pull_auth_trailer: auth_pad_length 0//
>>>> //Unsealed 112 bytes, with 76 bytes header/signature.//
>>>> //     DnssrvComplexOperation2: struct DnssrvComplexOperation2//
>>>> //        in: struct DnssrvComplexOperation2//
>>>> //            dwClientVersion          : DNS_CLIENT_VERSION_LONGHORN
>>>> (458752)//
>>>> //            dwSettingFlags           : 0x00000000 (0)//
>>>> //            pwszServerName           : *//
>>>> //                pwszServerName           : 'xxx.xxx.xxx.xxx'//
>>>> //            pszZone                  : NULL//
>>>> //            pszOperation             : *//
>>>> //                pszOperation             : 'EnumZones'//
>>>> //            dwTypeIn                 : DNSSRV_TYPEID_DWORD (1)//
>>>> //            pDataIn                  : union DNSSRV_RPC_UNION(case
>>>> 1)//
>>>> //            Dword                    : 0x00000013 (19)/
>>>>
>>>>
>>>> I'm thinking the DNS RPC server isn't running:
>>>>
>>>> samba-tool dns serverinfo dc01:
>>>>
>>>> /Failed to connect host xxx.xxx.xxx.xxx on port 135 -
>>>> NT_STATUS_CONNECTION_REFUSED/
>>>>
>>>> /Failed to connect host xxx.xxx.xxx.xxx (dc01) on port 135 -
>>>> NT_STATUS_CONNECTION_REFUSED./
>>>>
>>>> /ERROR: Connecting to DNS RPC server dc01 failed with (3221226038,
>>>> 'The
>>>> transport-connection attempt was refused by the remote system.')/
>>>>
>>>> Anyone have any ideas on how I can get the DNS RPC server up and
>>>> running
>>>> again? I notice also in the bind9 logs that it prints the normal
>>>> "found
>>>> zone xxx" message but doesn't list all my zones. I have also opened
>>>> a
>>>> bug (14310)
>>>>