linux_dsm_epyc7002/net/batman-adv/soft-interface.h
Sven Eckelmann e44d8fe2b5 batman-adv: Disallow regular interface as mesh device
When trying to associate a net_device with another net_device which
already exists, batman-adv assumes that this interface is a fully
initialized batman mesh interface without checking it. The behaviour
when accessing data behind netdev_priv of a random net_device is
undefined and potentially dangerous.

Reported-by: Linus Lüssing <linus.luessing@ascom.ch>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05 12:52:09 +01:00

37 lines
1.4 KiB
C

/*
* Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*
*/
#ifndef _NET_BATMAN_ADV_SOFT_INTERFACE_H_
#define _NET_BATMAN_ADV_SOFT_INTERFACE_H_
int my_skb_head_push(struct sk_buff *skb, unsigned int len);
int softif_neigh_seq_print_text(struct seq_file *seq, void *offset);
void softif_neigh_purge(struct bat_priv *bat_priv);
int interface_tx(struct sk_buff *skb, struct net_device *soft_iface);
void interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, struct hard_iface *recv_if,
int hdr_size);
struct net_device *softif_create(char *name);
void softif_destroy(struct net_device *soft_iface);
int softif_is_valid(struct net_device *net_dev);
#endif /* _NET_BATMAN_ADV_SOFT_INTERFACE_H_ */