Date: Fri, 11 Jan 2002 11:39:21 -0800 From: Anand Narayanan <anandn@windriver.com> To: freebsd-net@freebsd.org Subject: Issue regarding SO_REUSEPORT and SO_REUSEADDR Message-ID: <5.1.0.14.2.20020111113634.02dcaa60@wrs.com>
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Hi, I am resending this on the mailing list. This is an issue from in_pcb.c
v 1.59.2.5 2000/08/16 06:14:23
I just encountered a problem in trying to bind a server address using the
SO_REUSEPORT and SO_REUSEADDR option after the first one has been shutdown.
Looking into in_pcbbind, I see that if SO_REUSEADDR or SO_REUSEPORT is set,
then the variable "wild" is 0.
if ((so->so_options & (SO_REUSEADDR|SO_REUSEPORT)) == 0)
wild = 1;
However, when calling in_pcblookup_local (in the non-multicast case), it
seems to ignore the value of wild.
if (lport) {
...
...
if (so->so_cred->cr_uid != 0
&& !IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) {
t = in_pcblookup_local(inp->inp_pcbinfo, sin->sin_addr,
lport,
prison ? 0 : INPLOOKUP_WILDCARD);
Shouldn't the last argument to in_pcblookup_local be "wild" instead of
INPLOOKUP_WILDCARD? By passing INPLOOKUP_WILDCARD, in_pcblookup_local
always ignores the SO_REUSE* options and bind fails. Is this a bug or am I
missing something? Any help would be appreciated.
-Anand
********************************
Anand Narayanan
Wind River Systems.
http://www.windriver.com
********************************
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