[Opendnssec-user] Opendnssec signer Y2K bug?
Miek Gieben
miek at miek.nl
Fri Dec 23 10:58:33 UTC 2011
[ Quoting <rickard at opendnssec.org> at 11:56 on Dec 23 in "Re: [Opendnssec-user..." ]
> > OpenDNSSEC uses ldns to write the information to the signed zone file.
> > This is why you got the weird time stamp in your zone file.
>
> ldns handles times differently depending on the architecture, but
> OpenDNSSEC only use time_t.
>
> struct tm *
> ldns_serial_arithmitics_gmtime_r(int32_t time, time_t now, struct tm *result)
> {
> #if SIZEOF_TIME_T <= 4
> int64_t secs_since_epoch = ldns_serial_arithmitics_time(time, now);
> return ldns_gmtime64_r(secs_since_epoch, result);
> #else
> time_t secs_since_epoch = ldns_serial_arithmitics_time(time, now);
> return gmtime_r(&secs_since_epoch, result);
> #endif
> }
Looking at exactly the same code :-) slightly above this function (in util.c)
there is:
static int64_t
ldns_serial_arithmitics_time(int32_t time, time_t now)
{
int32_t offset = time - (int32_t) now;
return (int64_t) now + offset;
}
Casting it back to an int64_t should be OK even on 32 bits...
grtz Miek
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