The functional tests for sendmail use ldns-testns as DNS server
which provides specific test data and error behaviours.
It runs on a port > 1024 to avoid requiring root access.
There's code in sendmail to set the IP and port for a NS:
_res.nsaddr_list[0].sin_family = AF_INET;
_res.nsaddr_list[0].sin_addr = *ns;
_res.nsaddr_list[0].sin_port = htons(port);
_res.nscount = 1;
but this does not work (anymore) on OpenBSD -- AFAICT the
resolver implementation (asr?) has a hardcoded port (53).
Is there some way to set a different port for testing? I also tried
to link sendmail against libbind but then it fails during executtion:
sendmail:/usr/lib/libc.so.95.0: ../sendmail/sendmail : WARNING:
symbol(__p_type_syms) size mismatch, relink your program
sendmail:/usr/lib/libc.so.95.0: ../sendmail/sendmail : WARNING: symbol(_res)
size mismatch, relink your program
fill_fd: before readcf: fd 0 not open: Bad file descriptor
Any (simple?) suggestion to get this working on OpenBSD (just for
functional testing)?
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