Commit 099bd05f authored by Chuck Lever's avatar Chuck Lever Committed by Trond Myklebust
Browse files

lockd: Ensure NSM strings aren't longer than protocol allows 



Introduce a special helper function to check the length of NSM strings
before they are placed on the wire.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent f34ec991

fs/lockd/mon.c

+9 −0
Original line number Diff line number Diff line
@@ -149,6 +149,15 @@ nsm_create(void) 
 * XDR functions for NSM.

 */



static __be32 *xdr_encode_nsm_string(__be32 *p, char *string)

{

	size_t len = strlen(string);



	if (len > SM_MAXSTRLEN)

		len = SM_MAXSTRLEN;

	return xdr_encode_opaque(p, string, len);

}



static __be32 *

xdr_encode_common(struct rpc_rqst *rqstp, __be32 *p, struct nsm_args *argp)

{