diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 488ef9b5c51a..f5fe16bd426c 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -7578,6 +7578,8 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle, struct page *page; rpc_authflavor_t flavor; struct nfs4_secinfo_flavors *flavors; + struct nfs4_secinfo4 *secinfo; + int i; page = alloc_page(GFP_KERNEL); if (!page) { @@ -7599,9 +7601,31 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle, if (err) goto out_freepage; - flavor = nfs_find_best_sec(flavors); - if (err == 0) - err = nfs4_lookup_root_sec(server, fhandle, info, flavor); + for (i = 0; i < flavors->num_flavors; i++) { + secinfo = &flavors->flavors[i]; + + switch (secinfo->flavor) { + case RPC_AUTH_NULL: + case RPC_AUTH_UNIX: + case RPC_AUTH_GSS: + flavor = rpcauth_get_pseudoflavor(secinfo->flavor, + &secinfo->flavor_info); + break; + default: + flavor = RPC_AUTH_MAXFLAVOR; + break; + } + + if (flavor != RPC_AUTH_MAXFLAVOR) { + err = nfs4_lookup_root_sec(server, fhandle, + info, flavor); + if (!err) + break; + } + } + + if (flavor == RPC_AUTH_MAXFLAVOR) + err = -EPERM; out_freepage: put_page(page); |