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NFS: Update MNT and MNT3 reply decoding functions

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Solder xdr_stream-based XDR decoding functions into the in-kernel mountd
client that are more careful about checking data types and watching for
buffer overflows.  The new MNT3 decoder includes support for auth-flavor
list decoding.

The "_sz" macro for MNT3 replies was missing the size of the file handle.
I've added this back, and included the size of the auth flavor array.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2009-06-17 18:02:13 -07:00
committed by Trond Myklebust
parent a14017db28
commit 8e02f6b9aa
4 changed files with 55 additions and 14 deletions
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fs/nfs/nfsroot.c
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@@ -490,6 +490,7 @@ static int __init root_nfs_get_handle(void)
{
struct nfs_fh fh;
struct sockaddr_in sin;
unsigned int auth_flav_len = 0;
struct nfs_mount_request request = {
.sap = (struct sockaddr *)&sin,
.salen = sizeof(sin),
@@ -499,6 +500,7 @@ static int __init root_nfs_get_handle(void)
.protocol = (nfs_data.flags & NFS_MOUNT_TCP) ?
XPRT_TRANSPORT_TCP : XPRT_TRANSPORT_UDP,
.fh = &fh,
.auth_flav_len = &auth_flav_len,
};
int status;