Commit 099bd05f authored Mar 14, 2008 by Chuck Lever Committed by Trond Myklebust Mar 19, 2008

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: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond 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)
		{