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Add check for IN_MULTICAST() that was taken only to in_pcbbind_port() -- 

it's necessary in in_pcbbind_addr() as well.

Pointed out by Mihai Chelaru on tech-net@, thanks!
This commit is contained in:
elad 2009-05-09 20:54:52 +00:00
parent 3ec7e0d881
commit 12ec766ad8
1 changed files with 5 additions and 3 deletions
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8
sys/netinet/in_pcb.c
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@ -1,4 +1,4 @@
/* $NetBSD: in_pcb.c,v 1.135 2009/04/30 20:26:09 elad Exp $ */
/* $NetBSD: in_pcb.c,v 1.136 2009/05/09 20:54:52 elad Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -91,7 +91,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: in_pcb.c,v 1.135 2009/04/30 20:26:09 elad Exp $");
__KERNEL_RCSID(0, "$NetBSD: in_pcb.c,v 1.136 2009/05/09 20:54:52 elad Exp $");
#include "opt_inet.h"
#include "opt_ipsec.h"
@ -303,7 +303,9 @@ in_pcbbind_addr(struct inpcb *inp, struct sockaddr_in *sin, kauth_cred_t cred)
if (sin->sin_family != AF_INET)
return (EAFNOSUPPORT);
if (!in_nullhost(sin->sin_addr)) {
if (IN_MULTICAST(sin->sin_addr.s_addr)) {
/* Always succeed; port reuse handled in in_pcbbind_port(). */
} else if (!in_nullhost(sin->sin_addr)) {
struct in_ifaddr *ia = NULL;
INADDR_TO_IA(sin->sin_addr, ia);