ping tech@,
Very sorry for interrupting again! Anyone can give comment on this
issue? Thanks!
On 9/18/2018 6:37 PM, Nan Xiao wrote:
> Hi tech@,
>
> Assume I use netcat with UNIX-domain socket, and there is no
> temp_socket. Launch the server:
>
> # ./nc -U -l temp_socket
>
> It works normally. But after netcat exits, launch it again:
>
> # nc -U -l temp_socket
> nc: Address already in use
>
> The only method seems to delete temp_socket.
>
> I am not sure this behavior is as expected, and come out following patch
> may fix this issue, thanks!
>
> diff --git usr.bin/nc/netcat.c usr.bin/nc/netcat.c
> index 341e7e50485..3b2150a01dc 100644
> --- usr.bin/nc/netcat.c
> +++ usr.bin/nc/netcat.c
> @@ -749,6 +749,9 @@ unix_bind(char *path, int flags)
> return -1;
> }
>
> + if (lflag)
> + unlink(path);
> +
> if (bind(s, (struct sockaddr *)&s_un, sizeof(s_un)) < 0) {
> save_errno = errno;
> close(s);
>
--
Best Regards
Nan Xiao(肖楠)
