Re: [OpenAFS] minor bug: -afsdb does not understand CNAME

2005-12-12 Thread Frank Burkhardt 
Hi,

On Sun, Dec 11, 2005 at 10:50:34PM -0800, Adam Megacz wrote:
 
 Apparently if the host listed in an AFSDB entry is a CNAME record,
 afsd will not chase the reference.
 
 I take it that afsd doesn't use the usual gethostbyname() to resolve
 the hostname it gets after pulling an AFSDB record... is there a
 reason why this is the case?

$ host -t AFSDB -l cbs.mpg.de
cbs.mpg.de. AFSDB   1 afsdb1.cbs.mpg.de.
cbs.mpg.de. AFSDB   1 afsdb2.cbs.mpg.de.
cbs.mpg.de. AFSDB   1 afsdb3.cbs.mpg.de.
cbs.mpg.de. AFSDB   1 afsdb4.cbs.mpg.de.
cbs.mpg.de. AFSDB   1 afsdb5.cbs.mpg.de.
$ host afsdb1
afsdb1.cbs.mpg.de   CNAME   dresden.cbs.mpg.de
dresden.cbs.mpg.de  A   10.0.181.11

It's working here - all AFSDBs are CNAMEs.

are you using a single-component-cellname
(foobar) and not a multi-component one (foo.bar) ?
There's a bug in recent glibc which makes using AFSDB-DNS-records
impossible for dotless cells - at least without a patch
applied to the openafs-source.

Regards,

Frank
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Re: [OpenAFS] minor bug: -afsdb does not understand CNAME

2005-12-12 Thread Russ Allbery 
Adam Megacz [EMAIL PROTECTED] writes:

 I take it that afsd doesn't use the usual gethostbyname() to resolve the
 hostname it gets after pulling an AFSDB record...

It does indeed use gethostbyname():

if ((afsdb_type == 1)  (server_num  MAXHOSTSPERCELL) 
/* Do we want to get TTL data for the A record as well? */
(he = gethostbyname(host))) {
afs_int32 ipaddr;
memcpy(ipaddr, he-h_addr, he-h_length);
acellInfo-hostAddr[server_num].sin_addr.s_addr = ipaddr;
strncpy(acellInfo-hostName[server_num], host,
sizeof(acellInfo-hostName[server_num]));
server_num++;

if (!minttl || ttl  minttl)
minttl = ttl;
}

(src/auth/cellconfig.c).

-- 
Russ Allbery ([EMAIL PROTECTED]) http://www.eyrie.org/~eagle/
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[OpenAFS] minor bug: -afsdb does not understand CNAME

2005-12-11 Thread Adam Megacz 

Apparently if the host listed in an AFSDB entry is a CNAME record,
afsd will not chase the reference.

I take it that afsd doesn't use the usual gethostbyname() to resolve
the hostname it gets after pulling an AFSDB record... is there a
reason why this is the case?

  - a

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