configurable listen interface(s) and ports

[dseomn]

Currently, rpki-rtr-daemon listens on a hard-coded port on all addresses. Instead, there should be a configuration option like the below:

# Listen on port 1234 on all addresses, port 2345 on 2001:db8::1,
# port 3456 on 192.0.2.1, and port 4567 on all IPv6 addresses.
RpkiRtrListen \
    1234 \
    [2001:db8::1]:2345 \
    192.0.2.1:3456 \
    [::]:4567

The inspiration for the above syntax is http://httpd.apache.org/docs/2.2/mod/mpm_common.html#listen

The default value of the configuration option should be the IANA-assigned port, 323, from http://tools.ietf.org/html/rfc6810#section-7.

Reported by: rhansen

Original Ticket: rpstir/tickets/14

[dseomn]

• status: unread --> accepted

Original comment by: dseomn