nfsd: support callbacks with gss flavors

This patch adds server-side support for callbacks other than AUTH_SYS.

Signed-off-by: Olga Kornievskaia <aglo@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 3ca1417..6d7d8c0 100644 (file)
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -358,6 +358,7 @@ static struct rpc_program cb_program = {
                .nrvers         = ARRAY_SIZE(nfs_cb_version),
                .version        = nfs_cb_version,
                .stats          = &cb_stats,
+               .pipe_dir_name  = "/nfsd4_cb",
 };
 
 /* Reference counting, callback cleanup, etc., all look racy as heck.
@@ -382,7 +383,7 @@ static int do_probe_callback(void *data)
                .program        = &cb_program,
                .prognumber     = cb->cb_prog,
                .version        = nfs_cb_version[1]->number,
-               .authflavor     = RPC_AUTH_UNIX, /* XXX: need AUTH_GSS... */
+               .authflavor     = clp->cl_flavor,
                .flags          = (RPC_CLNT_CREATE_NOPING | RPC_CLNT_CREATE_QUIET),
                .client_name    = clp->cl_principal,
        };

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f3b9a8d..07db315 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -786,6 +786,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
        }
        copy_verf(new, &clverifier);
        new->cl_addr = sin->sin_addr.s_addr;
+       new->cl_flavor = rqstp->rq_flavor;
        princ = svc_gss_principal(rqstp);
        if (princ) {
                new->cl_principal = kstrdup(princ, GFP_KERNEL);

diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index ce7cbf4..128298c 100644 (file)
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -124,6 +124,7 @@ struct nfs4_client {
        nfs4_verifier           cl_verifier;    /* generated by client */
        time_t                  cl_time;        /* time of last lease renewal */
        __be32                  cl_addr;        /* client ipaddress */
+       u32                     cl_flavor;      /* setclientid pseudoflavor */
        char                    *cl_principal;  /* setclientid principal name */
        struct svc_cred         cl_cred;        /* setclientid principal */
        clientid_t              cl_clientid;    /* generated by server */

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 3105efb..1924532 100644 (file)
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -407,6 +407,7 @@ enum {
        RPCAUTH_nfs,
        RPCAUTH_portmap,
        RPCAUTH_statd,
+       RPCAUTH_nfsd4_cb,
        RPCAUTH_RootEOF
 };
 
@@ -440,6 +441,10 @@ static struct rpc_filelist files[] = {
                .name = "statd",
                .mode = S_IFDIR | S_IRUGO | S_IXUGO,
        },
+       [RPCAUTH_nfsd4_cb] = {
+               .name = "nfsd4_cb",
+               .mode = S_IFDIR | S_IRUGO | S_IXUGO,
+       },
 };
 
 enum {