seed rresvport() for aux channel with a known taken port; do not ask for

next lower port because we might get it (and be predictable!)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/lib/libc/net/rcmd.c b/src/lib/libc/net/rcmd.c
index 86f35664e4..727a26e173 100644
--- a/src/lib/libc/net/rcmd.c
+++ b/src/lib/libc/net/rcmd.c
@@ -133,7 +133,13 @@ rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
                 sigsetmask(oldmask);
                 return (-1);
         }
+#if 0
+        /*
+         * try to rresvport() to the same port. This will make rresvport()
+         * fail it's first bind, resulting in it choosing a random port.
+         */
         lport--;
+#endif
         if (fd2p == 0) {
                 write(s, "", 1);
                 lport = 0;