On Thu, Oct 14, 2010 at 4:47 PM, Gilles Chehade <gil...@openbsd.org> wrote: > Dear tech@, > > eric@ has written an (awesome :p) asynchronous resolver that allows us to do > non-blocking DNS lookups. >
this dns code has a serious flaw. you use arc4random to allocate request IDs. this is a bad decision, as you actually want a non-repeating property. take a look how libc resolver copes with this: http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/net/res_random.c?rev=1.17
