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Nsock early error reporting.

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Report finished (likely failed) events as early as possible. Because the
corresponding IODs can have no I/O activity, they wouldn't be flagged as active
by the I/O engines and the events could end up being delivered at shutdown only
(or never).

Reported by d33tah on http://seclists.org/nmap-dev/2014/q2/409
This commit is contained in:
henri
2014-06-11 20:14:16 +00:00
parent 34691d779d
commit ccf6e15b90
1 changed files with 8 additions and 0 deletions
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8
nsock/src/nsock_core.c
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@@ -1323,6 +1323,14 @@ void nsp_add_event(struct npool *nsp, struct nevent *nse) {
default:
fatal("Unknown nsock event type (%d)", nse->type);
}
/* It can happen that the event already completed. In which case we can
* already deliver it, even though we're probably not inside nsock_loop(). */
if (nse->event_done) {
event_dispatch_and_delete(nsp, nse, 1);
update_first_events(nse);
nevent_unref(nsp, nse);
}
}
/* An event has been completed and the handler is about to be called. This