DNS resolution in 'make test'
abartlet at samba.org
Wed Sep 3 20:36:50 MDT 2014
On Wed, 2014-09-03 at 12:08 +0200, Andreas Schneider wrote:
> while working on MIT Kerberos stuff it became clear that we need to talk to
> DNS server to ask it about SRV records for the KDC.
> I've did some investigation and wrote a resolv_wrapper library to wrap
> res_init(), res_query() and res_search(). It is a really simple wrapper and
> I'm able to talk to the Samba DNS server in 'make test' now!
> asn at magrathea:~/workspace/projects/samba/git>
> SOCKET_WRAPPER_PCAP_FILE=kinit.pcap RESOLV_WRAPPER_DEBUGLEVEL=5
> KRB5_TRACE=/dev/stdout kinit Administrator at SAMBA.EXAMPLE.COM
>  1409738193.686386: Getting initial credentials for
> Administrator at SAMBA.EXAMPLE.COM
>  1409738193.686668: Sending request (194 bytes) to SAMBA.EXAMPLE.COM
>  1409738193.688507: Resolving hostname localdc.samba.example.com.
>  1409738193.689448: Sending initial UDP request to dgram 127.0.0.21:88
>  1409738193.695803: Received answer (510 bytes) from dgram
>  1409738193.696451: Response was not from master KDC
>  1409738193.696499: Received error from KDC: -1765328359/Additional
> pre-authentication required
>  1409738193.696560: Processing preauth types: 136, 19, 2, 133
>  1409738193.696594: Selected etype info: etype aes256-cts, salt
> "SAMBA.EXAMPLE.COMAdministrator", params ""
>  1409738193.696612: Received cookie: MIT
> Password for Administrator at SAMBA.EXAMPLE.COM:
> Soon available in your Samba master tree! :)
Nice! This will make the subdomain stuff much more practical, and the
make test environment much less 'special'.
Now we just need to get rid of my horrid dns_hosts_file hack :-)
Authentication Developer, Samba Team http://samba.org
Samba Developer, Catalyst IT http://catalyst.net.nz/services/samba
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