Re: [bug-inetutils] netstat

[Simon Josefsson]

address@hidden (Alfred M. Szmidt) writes:

>    >>> What is the content of /etc/nsswitch.conf on the Hydra build servers?
>    >>> 
>    >>> I wonder what glibc does if there is no /etc/nsswitch.conf at all, 
> which
>    >>> may be the situation on the build servers.
>    >>
>    >> Yes, that's the case for the Linux builds.  They're in a chroot that
>    >> has a extremely miminal /etc (currently, just /etc/passwd and
>    >> /etc/group with entries for the build uid/gid, and /etc/hosts with an
>    >> entry for localhost).
>    >
>    > What does getservbyname ("ftp", "tcp") return?  If it returns NULL, we
>    > need to deal with it, but if it hangs or takes a lot of time to timeout
>    > you may want to have a small /etc/nsswitch.conf or similar.
>
>    There’s no /etc/{services,protocols,resolv.conf} in the chroot.
>    Thus tests cannot rely on name resolution, getservbyname, etc.
>    Instead, they should use numeric values, like 127.0.0.1:21.  (I’ve
>    found it to be an acceptable workaround in practice.)
>
> This is not an acceptable fix, it is completely valid, and a must, to
> test non-numeric values for hostnames and/or protocols.  The problem
> is that NixOS is misconfigured, and the proper fix is to fix how you
> create chroots; either by adding those files or tweaking nsswitch.con.
>
> We can try and help you fixing it on your side, but it won't be fixed
> in inetutils since it isn't where the problem is, sorry.

I don't follow -- what in InetUtils does not work if hostname/protocol
resolution fails?  That seems like a bug in InetUtils to me.

/Simon