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authorBryan Schumaker <bjschuma@netapp.com>2012-04-27 13:27:44 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-04-27 14:10:39 -0400
commit2671bfc3beb44e70636bd0208274426db57f73b5 (patch)
tree5aeec6224c390a046bfa5758a958174ebf542772 /fs/nfs/nfs4namespace.c
parentdf0117481cd94dbb8970f4be9d05b0568fa09ab1 (diff)
downloadlinux-2671bfc3beb44e70636bd0208274426db57f73b5.tar.bz2
NFS: Remove secinfo knowledge out of the generic client
And also remove the unneeded rpc_op. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4namespace.c')
-rw-r--r--fs/nfs/nfs4namespace.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index a7f3dedc4ec7..a69ee3952bbe 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -132,6 +132,35 @@ static size_t nfs_parse_server_name(char *string, size_t len,
return ret;
}
+rpc_authflavor_t nfs_find_best_sec(struct nfs4_secinfo_flavors *flavors)
+{
+ struct gss_api_mech *mech;
+ struct xdr_netobj oid;
+ int i;
+ rpc_authflavor_t pseudoflavor = RPC_AUTH_UNIX;
+
+ for (i = 0; i < flavors->num_flavors; i++) {
+ struct nfs4_secinfo_flavor *flavor;
+ flavor = &flavors->flavors[i];
+
+ if (flavor->flavor == RPC_AUTH_NULL || flavor->flavor == RPC_AUTH_UNIX) {
+ pseudoflavor = flavor->flavor;
+ break;
+ } else if (flavor->flavor == RPC_AUTH_GSS) {
+ oid.len = flavor->gss.sec_oid4.len;
+ oid.data = flavor->gss.sec_oid4.data;
+ mech = gss_mech_get_by_OID(&oid);
+ if (!mech)
+ continue;
+ pseudoflavor = gss_svc_to_pseudoflavor(mech, flavor->gss.service);
+ gss_mech_put(mech);
+ break;
+ }
+ }
+
+ return pseudoflavor;
+}
+
static rpc_authflavor_t nfs4_negotiate_security(struct inode *inode, struct qstr *name)
{
struct page *page;