On Sun, 29 Mar 2020 at 18:02:00 +0200, Guilhem Moulin wrote: >> Using TCP, ^D to server nc has no visible efect. Maybe an update to your >> patch >> can fix this also. I will investicate over the next few days. > > Sorry, my bad for claiming earlier that ‘-q0’ was an alias ‘-N’. What's > correct is what's written in the manual, namely that it *implies* ‘-N’. > All ‘-N’ does is to call shutdown(2) after EOF on stdin; which it does, > so I'm removing the ‘upstream’ tag on the bug.
Attached is an updated version that also causes nc to exit on EOF when ‘-l’ is set. Will test it shortly :-) -- Guilhem.
--- a/netcat.c
+++ b/netcat.c
@@ -1607,6 +1607,12 @@
if (pfd[POLL_NETOUT].fd != -1 && Nflag)
shutdown(pfd[POLL_NETOUT].fd, SHUT_WR);
pfd[POLL_NETOUT].fd = -1;
+ if ((lflag || uflag) && pfd[POLL_NETIN].fd != -1 &&
+ qflag >= 0 && netinbufpos == 0) {
+ shutdown(pfd[POLL_NETIN].fd, SHUT_RD);
+ pfd[POLL_NETIN].fd = -1;
+ kflag = 0;
+ }
}
/* net in gone and queue empty? */
if (pfd[POLL_NETIN].fd == -1 && netinbufpos == 0) {
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