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From: Aron Xu <aron@debian.org>
Date: Tue, 14 Feb 2012 23:02:00 +0800
Subject: serialized handling multiple clients
---
netcat.c | 39 +++++++++++++++++++--------------------
1 file changed, 19 insertions(+), 20 deletions(-)
diff --git a/netcat.c b/netcat.c
index f4d85af..5d3a2d3 100644
--- a/netcat.c
+++ b/netcat.c
@@ -459,26 +459,24 @@ main(int argc, char *argv[])
s = unix_bind(host);
else
s = unix_listen(host);
- }
+ } else
+ s = local_listen(host, uport, hints);
+ if (s < 0)
+ err(1, NULL);
+
+ char* local;
+ if (family == AF_INET6)
+ local = ":::";
+ else
+ local = "0.0.0.0";
+ fprintf(stderr, "Listening on [%s] (family %d, port %d)\n",
+ host ?: local,
+ family,
+ *uport);
/* Allow only one connection at a time, but stay alive. */
for (;;) {
- if (family != AF_UNIX)
- s = local_listen(host, uport, hints);
- if (s < 0)
- err(1, NULL);
- char* local;
- if (family == AF_INET6 )
- local = "0.0.0.0";
- else if (family == AF_INET)
- local = ":::";
- else
- local = "unknown";
- fprintf(stderr, "Listening on [%s] (family %d, port %d)\n",
- host ?: local,
- family,
- *uport);
/*
* For UDP and -k, don't connect the socket, let it
* receive datagrams from multiple socket pairs.
@@ -525,15 +523,16 @@ main(int argc, char *argv[])
close(connfd);
}
- if (family != AF_UNIX)
+ if (kflag)
+ continue;
+ if (family != AF_UNIX) {
close(s);
+ }
else if (uflag) {
if (connect(s, NULL, 0) < 0)
err(1, "connect");
}
-
- if (!kflag)
- break;
+ break;
}
} else if (family == AF_UNIX) {
ret = 0;
--
|
