On Tue, May 20, 2014 at 8:29 AM, Stuart Henderson <st...@openbsd.org> wrote:
> On 2014/05/20 16:41, viq wrote: > > I encountered a strange problem when trying to communicate with > net/ipcad: > > > > rsh localhost stats > > rsh: poll: Undefined error: 0 > ... > Note that ipcad listens on port 514 and provides *its own* cisco-ish > rshell interface that you connect to, this isn't about openbsd rshd. > > The error is coming from /usr/src/usr.bin/rsh/rsh.c:243 and since > nothing changed here in many years, I'm wondering if there's anything > up with poll(2). (If it's a direct bug with rsh, well, that's "fixed" > a different way in -current).. > ... > 241 if ((pfd[0].revents & (POLLERR|POLLHUP|POLLNVAL)) || > 242 (pfd[1].revents & (POLLERR|POLLHUP|POLLNVAL))) > >> 243 err(1, "poll"); > It's reporting that the second fd, the stderr fd, has been closed by the other side (POLLHUP). Does ipcad implement the expected ordering in the rsh protocol? Philip Guenther
