LU-8955 nodemap: add SELinux policy info to nodemap

[fs/lustre-release.git] / lustre / include / lustre_nodemap.h

diff --git a/lustre/include/lustre_nodemap.h b/lustre/include/lustre_nodemap.h
index db10bda..9d200bf 100644 (file)
--- a/lustre/include/lustre_nodemap.h
+++ b/lustre/include/lustre_nodemap.h
@@ -15,19 +15,22 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
 /*
  * Copyright (C) 2013, Trustees of Indiana University
+ *
+ * Copyright (c) 2017, Intel Corporation.
+ *
  * Author: Joshua Walgenbach <jjw@iu.edu>
  */
 
 #ifndef _LUSTRE_NODEMAP_H
 #define _LUSTRE_NODEMAP_H
 
-#include <lustre/lustre_idl.h>
+#include <uapi/linux/lustre/lustre_idl.h>
 
 #define LUSTRE_NODEMAP_NAME "nodemap"
 
@@ -48,6 +51,12 @@ enum nodemap_tree_type {
        NODEMAP_CLIENT_TO_FS,
 };
 
+enum nodemap_mapping_modes {
+       NODEMAP_MAP_BOTH,
+       NODEMAP_MAP_UID_ONLY,
+       NODEMAP_MAP_GID_ONLY,
+};
+
 struct nodemap_pde {
        char                     npe_name[LUSTRE_NODEMAP_NAME_LENGTH + 1];
        struct proc_dir_entry   *npe_proc_entry;
@@ -64,7 +73,11 @@ struct lu_nodemap {
        char                     nm_name[LUSTRE_NODEMAP_NAME_LENGTH + 1];
        /* flags to govern nodemap behavior */
        bool                     nmf_trust_client_ids:1,
-                                nmf_allow_root_access:1;
+                                nmf_deny_unknown:1,
+                                nmf_allow_root_access:1,
+                                nmf_map_uid_only:1,
+                                nmf_map_gid_only:1,
+                                nmf_enable_audit:1;
        /* unique ID set by MGS */
        unsigned int             nm_id;
        /* nodemap ref counter */
@@ -76,7 +89,7 @@ struct lu_nodemap {
        /* NID range list */
        struct list_head         nm_ranges;
        /* lock for idmap red/black trees */
-       rwlock_t                 nm_idmap_lock;
+       struct rw_semaphore      nm_idmap_lock;
        /* UID map keyed by local UID */
        struct rb_root           nm_fs_to_client_uidmap;
        /* UID map keyed by remote UID */
@@ -93,6 +106,8 @@ struct lu_nodemap {
        struct nodemap_pde      *nm_pde_data;
        /* fileset the nodes of this nodemap are restricted to */
        char                     nm_fileset[PATH_MAX+1];
+       /* information about the expected SELinux policy on the nodes */
+       char                     nm_sepol[LUSTRE_NODEMAP_SEPOL_LENGTH + 1];
 
        /* used when loading/unloading nodemaps */
        struct list_head         nm_list;
@@ -119,8 +134,11 @@ int nodemap_add_range(const char *name, const lnet_nid_t nid[2]);
 int nodemap_del_range(const char *name, const lnet_nid_t nid[2]);
 int nodemap_set_allow_root(const char *name, bool allow_root);
 int nodemap_set_trust_client_ids(const char *name, bool trust_client_ids);
+int nodemap_set_deny_unknown(const char *name, bool deny_unknown);
+int nodemap_set_mapping_mode(const char *name, enum nodemap_mapping_modes mode);
 int nodemap_set_squash_uid(const char *name, uid_t uid);
 int nodemap_set_squash_gid(const char *name, gid_t gid);
+int nodemap_set_audit_mode(const char *name, bool enable_audit);
 bool nodemap_can_setquota(const struct lu_nodemap *nodemap);
 int nodemap_add_idmap(const char *name, enum nodemap_id_type id_type,
                      const __u32 map[2]);
@@ -128,6 +146,8 @@ int nodemap_del_idmap(const char *name, enum nodemap_id_type id_type,
                      const __u32 map[2]);
 int nodemap_set_fileset(const char *name, const char *fileset);
 char *nodemap_get_fileset(const struct lu_nodemap *nodemap);
+int nodemap_set_sepol(const char *name, const char *sepol);
+const char *nodemap_get_sepol(const struct lu_nodemap *nodemap);
 __u32 nodemap_map_id(struct lu_nodemap *nodemap,
                     enum nodemap_id_type id_type,
                     enum nodemap_tree_type tree_type, __u32 id);
@@ -138,20 +158,20 @@ void nodemap_test_nid(lnet_nid_t nid, char *name_buf, size_t name_len);
 #else
 #define nodemap_test_nid(nid, name_buf, name_len) do {} while(0)
 #endif
-__u32 nodemap_test_id(lnet_nid_t nid, enum nodemap_id_type idtype,
-                     __u32 client_id);
-
-enum nm_config_file_type {
-       NCFT_MGS,
-       NCFT_TGT,
-};
-struct nm_config_file *nm_config_file_register(const struct lu_env *env,
-                                              struct dt_object *obj,
-                                              struct local_oid_storage *los,
-                                              enum nm_config_file_type ncf_type);
-void nm_config_file_deregister(const struct lu_env *env,
-                              struct nm_config_file *ncf,
-                              enum nm_config_file_type ncf_type);
+int nodemap_test_id(lnet_nid_t nid, enum nodemap_id_type idtype,
+                   __u32 client_id, __u32 *fs_id);
+
+struct nm_config_file *nm_config_file_register_mgs(const struct lu_env *env,
+                                                  struct dt_object *obj,
+                                                  struct local_oid_storage *los);
+struct dt_device;
+struct nm_config_file *nm_config_file_register_tgt(const struct lu_env *env,
+                                                  struct dt_device *dev,
+                                                  struct local_oid_storage *los);
+void nm_config_file_deregister_mgs(const struct lu_env *env,
+                                  struct nm_config_file *ncf);
+void nm_config_file_deregister_tgt(const struct lu_env *env,
+                                  struct nm_config_file *ncf);
 struct lu_nodemap *nodemap_get_from_exp(struct obd_export *exp);
 void nodemap_putref(struct lu_nodemap *nodemap);
 
@@ -190,6 +210,7 @@ void nodemap_config_set_active_mgc(struct nodemap_config *config);
 
 int nodemap_process_idx_pages(struct nodemap_config *config, union lu_page *lip,
                              struct lu_nodemap **recent_nodemap);
+
 #else /* disable nodemap processing in MGC of non-servers */
 static inline int nodemap_process_idx_pages(void *config,
                                            union lu_page *lip,