mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 23:53:55 +08:00
cc74eddd0f
There is currently no handling to check on a invalid tlv length. This patch adds such handling to avoid killing the kernel with a malformed ife packet. Signed-off-by: Alexander Aring <aring@mojatatu.com> Reviewed-by: Yotam Gigi <yotam.gi@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __NET_IFE_H
|
|
#define __NET_IFE_H
|
|
|
|
#include <linux/etherdevice.h>
|
|
#include <linux/rtnetlink.h>
|
|
#include <linux/module.h>
|
|
#include <uapi/linux/ife.h>
|
|
|
|
#if IS_ENABLED(CONFIG_NET_IFE)
|
|
|
|
void *ife_encode(struct sk_buff *skb, u16 metalen);
|
|
void *ife_decode(struct sk_buff *skb, u16 *metalen);
|
|
|
|
void *ife_tlv_meta_decode(void *skbdata, const void *ifehdr_end, u16 *attrtype,
|
|
u16 *dlen, u16 *totlen);
|
|
int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
|
|
const void *dval);
|
|
|
|
void *ife_tlv_meta_next(void *skbdata);
|
|
|
|
#else
|
|
|
|
static inline void *ife_encode(struct sk_buff *skb, u16 metalen)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline void *ife_decode(struct sk_buff *skb, u16 *metalen)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen,
|
|
u16 *totlen)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
|
|
const void *dval)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void *ife_tlv_meta_next(void *skbdata)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* __NET_IFE_H */
|