Tod Detre <tod.de...@maine.edu> wrote on 03/16/2011 04:41:05 PM:
> > I'd have to look at the rest of the code, but if gethostbyname
> fails, and if you remove the nmb stuff, you're left with a hostname.
> The question is, does the rest of the code work with a host name
> string rather than an IP address?
>
> It did when I tried it, but it was on my home network with 2-3
> machines and I did not do a lot of testing.
Interesting. If that's the case, it would seem that rather than exit when
the NMB lookup fails, it should simply log the issue (possibly strongly)
and continue.
FWICT, Perl does not give you a way to use getipaddrbyname unless you are
using IPv6-specific modules. (The same is true for every *other* aspect
of IPv6 with Perl, including sockets.) However, if passing hostnames
through to the proper daemons does work, why not take advantage of it?
Craig, do you know of any issues that might come from simply removing the
exit() on line 506 (and maybe adding some logging between 507-508)? If it
blows up later, it's at least potentially farther than it was if we simply
exit.
The only downside to this is if the server is both IPv4 and IPv6 enabled,
the system will default to IPv4 first: the code will do an IPv4-only
lookup first, and if it works, it'll use the IPv4 address it gets. I
don't see that as a major issue.
Also, I hope that native IPv6 support is a design requirement for BackupPC
4.0? :)
Timothy J. Massey
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