/*
 * SELinux interface to the NetLabel subsystem
 *
 * Author: Paul Moore <paul@paul-moore.com>
 *
 */

/*
 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
 *
 * This program is free software;  you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY;  without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
 * the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program;  if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

#ifndef _SELINUX_NETLABEL_H_
#define _SELINUX_NETLABEL_H_

#include <linux/types.h>
#include <linux/fs.h>
#include <linux/net.h>
#include <linux/skbuff.h>
#include <net/sock.h>
#include <net/request_sock.h>

#include "avc.h"
#include "objsec.h"

#ifdef CONFIG_NETLABEL
void selinux_netlbl_cache_invalidate(void);

void selinux_netlbl_err(struct sk_buff *skb, u16 family, int error,
			int gateway);

void selinux_netlbl_sk_security_free(struct sk_security_struct *sksec);
void selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec);

int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
				 u16 family,
				 u32 *type,
				 u32 *sid);
int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
				 u16 family,
				 u32 sid);

int selinux_netlbl_inet_conn_request(struct request_sock *req, u16 family);
void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family);
int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
				struct sk_buff *skb,
				u16 family,
				struct common_audit_data *ad);
int selinux_netlbl_socket_setsockopt(struct socket *sock,
				     int level,
				     int optname);
int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);

#else
static inline void selinux_netlbl_cache_invalidate(void)
{
	return;
}

static inline void selinux_netlbl_err(struct sk_buff *skb,
				      u16 family,
				      int error,
				      int gateway)
{
	return;
}

static inline void selinux_netlbl_sk_security_free(
					       struct sk_security_struct *sksec)
{
	return;
}

static inline void selinux_netlbl_sk_security_reset(
					       struct sk_security_struct *sksec)
{
	return;
}

static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
					       u16 family,
					       u32 *type,
					       u32 *sid)
{
	*type = NETLBL_NLTYPE_NONE;
	*sid = SECSID_NULL;
	return 0;
}
static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
					       u16 family,
					       u32 sid)
{
	return 0;
}

static inline int selinux_netlbl_conn_setsid(struct sock *sk,
					     struct sockaddr *addr)
{
	return 0;
}

static inline int selinux_netlbl_inet_conn_request(struct request_sock *req,
						   u16 family)
{
	return 0;
}
static inline void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
{
	return;
}
static inline int selinux_netlbl_socket_post_create(struct sock *sk,
						    u16 family)
{
	return 0;
}
static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
					      struct sk_buff *skb,
					      u16 family,
					      struct common_audit_data *ad)
{
	return 0;
}
static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
						   int level,
						   int optname)
{
	return 0;
}
static inline int selinux_netlbl_socket_connect(struct sock *sk,
						struct sockaddr *addr)
{
	return 0;
}
#endif /* CONFIG_NETLABEL */

#endif
pending_confirm flag</a></td><td>Julian Anastasov</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Add new transport flag to allow sockets to confirm neighbour.
When same struct dst_entry can be used for many different
neighbours we can not use it for pending confirmations.
The flag is propagated from transport to every packet.
It is reset when cached dst is reset.

Reported-by: YueHaibing &lt;yuehaibing@huawei.com&gt;
Fixes: 5110effee8fd ("net: Do delayed neigh confirmation.")
Fixes: f2bb4bedf35d ("ipv4: Cache output routes in fib_info nexthops.")
Signed-off-by: Julian Anastasov &lt;ja@ssi.bg&gt;
Acked-by: Eric Dumazet &lt;edumazet@google.com&gt;
Acked-by: Neil Horman &lt;nhorman@tuxdriver.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>