Date: Wed, 9 Jan 2002 16:55:31 -0800 (PST) From: Anand Narayanan <anandn_98@yahoo.com> To: bugs@freebsd.org Subject: Possible bug in in_pcbbind wrt SO_REUSEPORT and SO_REUSEADDR Message-ID: <20020110005531.37053.qmail@web12305.mail.yahoo.com>
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Hi,
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
=====
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