nfsd4: move rq_flavor into svc_cred

Move the rq_flavor into struct svc_cred, and use it in setclientid and
exchange_id comparisons as well.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 79717a4..b42eaf3 100644 (file)
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -10,7 +10,7 @@ int nfsexp_flags(struct svc_rqst *rqstp, struct svc_export *exp)
        struct exp_flavor_info *end = exp->ex_flavors + exp->ex_nflavors;
 
        for (f = exp->ex_flavors; f < end; f++) {
-               if (f->pseudoflavor == rqstp->rq_flavor)
+               if (f->pseudoflavor == rqstp->rq_cred.cr_flavor)
                        return f->flags;
        }
        return exp->ex_flags;

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index ec16364..ba23349 100644 (file)
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -904,13 +904,13 @@ __be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp)
                return 0;
        /* ip-address based client; check sec= export option: */
        for (f = exp->ex_flavors; f < end; f++) {
-               if (f->pseudoflavor == rqstp->rq_flavor)
+               if (f->pseudoflavor == rqstp->rq_cred.cr_flavor)
                        return 0;
        }
        /* defaults in absence of sec= options: */
        if (exp->ex_nflavors == 0) {
-               if (rqstp->rq_flavor == RPC_AUTH_NULL ||
-                   rqstp->rq_flavor == RPC_AUTH_UNIX)
+               if (rqstp->rq_cred.cr_flavor == RPC_AUTH_NULL ||
+                   rqstp->rq_cred.cr_flavor == RPC_AUTH_UNIX)
                        return 0;
        }
        return nfserr_wrongsec;

diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 286a7f8..dae36f1 100644 (file)
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -605,7 +605,7 @@ numeric_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namel
 static __be32
 do_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen, uid_t *id)
 {
-       if (nfs4_disable_idmapping && rqstp->rq_flavor < RPC_AUTH_GSS)
+       if (nfs4_disable_idmapping && rqstp->rq_cred.cr_flavor < RPC_AUTH_GSS)
                if (numeric_name_to_id(rqstp, type, name, namelen, id))
                        return 0;
                /*
@@ -618,7 +618,7 @@ do_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen, u
 static int
 do_id_to_name(struct svc_rqst *rqstp, int type, uid_t id, char *name)
 {
-       if (nfs4_disable_idmapping && rqstp->rq_flavor < RPC_AUTH_GSS)
+       if (nfs4_disable_idmapping && rqstp->rq_cred.cr_flavor < RPC_AUTH_GSS)
                return sprintf(name, "%u", id);
        return idmap_id_to_name(rqstp, type, id, name);
 }

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 6dc0cfb..c743cdf 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1177,6 +1177,7 @@ static int copy_cred(struct svc_cred *target, struct svc_cred *source)
                        return -ENOMEM;
        } else
                target->cr_principal = NULL;
+       target->cr_flavor = source->cr_flavor;
        target->cr_uid = source->cr_uid;
        target->cr_gid = source->cr_gid;
        target->cr_group_info = source->cr_group_info;
@@ -1213,11 +1214,11 @@ static bool groups_equal(struct group_info *g1, struct group_info *g2)
        return true;
 }
 
-/* XXX what about NGROUP */
 static int
 same_creds(struct svc_cred *cr1, struct svc_cred *cr2)
 {
-       if ((cr1->cr_uid != cr2->cr_uid)
+       if ((cr1->cr_flavor != cr2->cr_flavor)
+               || (cr1->cr_uid != cr2->cr_uid)
                || (cr1->cr_gid != cr2->cr_gid)
                || !groups_equal(cr1->cr_group_info, cr2->cr_group_info))
                return false;
@@ -1299,7 +1300,6 @@ static struct nfs4_client *create_client(struct xdr_netobj name, char *recdir,
        rpc_init_wait_queue(&clp->cl_cb_waitq, "Backchannel slot table");
        copy_verf(clp, verf);
        rpc_copy_addr((struct sockaddr *) &clp->cl_addr, sa);
-       clp->cl_flavor = rqstp->rq_flavor;
        gen_confirm(clp);
        clp->cl_cb_session = NULL;
        return clp;

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 2b43e02..40e0a27 100644 (file)
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -232,7 +232,6 @@ struct svc_rqst {
        struct svc_pool *       rq_pool;        /* thread pool */
        struct svc_procedure *  rq_procinfo;    /* procedure info */
        struct auth_ops *       rq_authop;      /* authentication flavour */
-       u32                     rq_flavor;      /* pseudoflavor */
        struct svc_cred         rq_cred;        /* auth info */
        void *                  rq_xprt_ctxt;   /* transport specific context ptr */
        struct svc_deferred_req*rq_deferred;    /* deferred request we are replaying */

diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
index 16fe477..dd74084 100644 (file)
--- a/include/linux/sunrpc/svcauth.h
+++ b/include/linux/sunrpc/svcauth.h
@@ -21,6 +21,7 @@ struct svc_cred {
        uid_t                   cr_uid;
        gid_t                   cr_gid;
        struct group_info       *cr_group_info;
+       u32                     cr_flavor; /* pseudoflavor */
        char                    *cr_principal; /* for gss */
 };
 

diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index d091d7d..bcb7737 100644 (file)
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1202,7 +1202,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)
                }
                svcdata->rsci = rsci;
                cache_get(&rsci->h);
-               rqstp->rq_flavor = gss_svc_to_pseudoflavor(
+               rqstp->rq_cred.cr_flavor = gss_svc_to_pseudoflavor(
                                        rsci->mechctx->mech_type, gc->gc_svc);
                ret = SVC_OK;
                goto out;

diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 12e4897..88962cf 100644 (file)
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -768,7 +768,7 @@ svcauth_null_accept(struct svc_rqst *rqstp, __be32 *authp)
        svc_putnl(resv, RPC_AUTH_NULL);
        svc_putnl(resv, 0);
 
-       rqstp->rq_flavor = RPC_AUTH_NULL;
+       rqstp->rq_cred.cr_flavor = RPC_AUTH_NULL;
        return SVC_OK;
 }
 
@@ -839,7 +839,7 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp)
        svc_putnl(resv, RPC_AUTH_NULL);
        svc_putnl(resv, 0);
 
-       rqstp->rq_flavor = RPC_AUTH_UNIX;
+       rqstp->rq_cred.cr_flavor = RPC_AUTH_UNIX;
        return SVC_OK;
 
 badcred: