netdev - [PATCH 03/14] Allow binding to non-local addresses if IP

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Message-id: <20071013173031.22517.89002.stgit@nessa.odu>
Date:	Sat, 13 Oct 2007 19:30:31 +0200
From:	KOVACS Krisztian <hidden@....bme.hu>
To:	David Miller <davem@...emloft.net>
Cc:	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org
Subject: [PATCH 03/14] Allow binding to non-local addresses if IP_TRANSPARENT
	is set

Setting IP_TRANSPARENT is not really useful without allowing non-local
binds for the socket. To make user-space code simpler we allow these binds
even if IP_TRANSPARENT is set but IP_FREEBIND is not.

Signed-off-by: Tóth László Attila <panther@...abit.hu>
Acked-by: Patrick McHardy <kaber@...sh.net>
---

 net/ipv4/af_inet.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 621b128..4049a74 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -451,7 +451,7 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	 */
 	err = -EADDRNOTAVAIL;
 	if (!sysctl_ip_nonlocal_bind &&
-	    !inet->freebind &&
+	    !(inet->freebind || inet->transparent) &&
 	    addr->sin_addr.s_addr != INADDR_ANY &&
 	    chk_addr_ret != RTN_LOCAL &&
 	    chk_addr_ret != RTN_MULTICAST &&

-
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