lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[SCTP]: Reject sctp packets with broadcast addresses.

Browse Source 
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich
2006-06-17 22:55:35 -07:00
committed by David S. Miller
parent 402d68c433
commit 5636bef732
5 changed files with 16 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
net/sctp/protocol.c
View File

@ -365,12 +365,18 @@ static int sctp_v4_is_any(const union sctp_addr *addr)
* Return 0 - If the address is a non-unicast or an illegal address.
* Return 1 - If the address is a unicast.
*/
static int sctp_v4_addr_valid(union sctp_addr *addr, struct sctp_sock *sp)
static int sctp_v4_addr_valid(union sctp_addr *addr,
struct sctp_sock *sp,
const struct sk_buff *skb)
{
/* Is this a non-unicast address or a unusable SCTP address? */
if (IS_IPV4_UNUSABLE_ADDRESS(&addr->v4.sin_addr.s_addr))
return 0;
/* Is this a broadcast address? */
if (skb && ((struct rtable *)skb->dst)->rt_flags & RTCF_BROADCAST)
return 0;
return 1;
}