libsemanage/libsemanage-fedora.patch

diff --git libsemanage-2.6/src/Makefile libsemanage-2.6/src/Makefile
index 68aab72..ccaa29d 100644
--- libsemanage-2.6/src/Makefile
+++ libsemanage-2.6/src/Makefile
@@ -2,7 +2,7 @@
 # runtimes (e.g. Python 2 vs Python 3) by optionally prefixing the build
 # targets with "PYPREFIX":
 PYTHON ?= python
-PYPREFIX ?= $(notdir $(PYTHON))
+PYPREFIX ?= $(shell $(PYTHON) -c 'import sys;print("python%d" % sys.version_info[0])')
 RUBY ?= ruby
 RUBYPREFIX ?= $(notdir $(RUBY))
 PKG_CONFIG ?= pkg-config
diff --git libsemanage-2.6/src/direct_api.c libsemanage-2.6/src/direct_api.c
index e5c72cd..9c3149b 100644
--- libsemanage-2.6/src/direct_api.c
+++ libsemanage-2.6/src/direct_api.c
@@ -146,9 +146,6 @@ int semanage_direct_connect(semanage_handle_t * sh)
 		if (semanage_create_store(sh, 1))
 			goto err;
 
-	if (semanage_access_check(sh) < SEMANAGE_CAN_READ)
-		goto err;
-
 	sh->u.direct.translock_file_fd = -1;
 	sh->u.direct.activelock_file_fd = -1;
 
@@ -345,10 +342,6 @@ static int semanage_direct_disconnect(semanage_handle_t * sh)
 
 static int semanage_direct_begintrans(semanage_handle_t * sh)
 {
-
-	if (semanage_access_check(sh) != SEMANAGE_CAN_WRITE) {
-		return -1;
-	}
 	if (semanage_get_trans_lock(sh) < 0) {
 		return -1;
 	}
@@ -617,13 +610,33 @@ static int semanage_direct_update_user_extra(semanage_handle_t * sh, cil_db_t *c
 	}
 
 	if (size > 0) {
+		/*
+		 * Write the users_extra entries from CIL modules.
+		 * This file is used as our baseline when we do not require
+		 * re-linking.
+		 */
+		ofilename = semanage_path(SEMANAGE_TMP,
+					  SEMANAGE_USERS_EXTRA_LINKED);
+		if (ofilename == NULL) {
+			retval = -1;
+			goto cleanup;
+		}
+		retval = write_file(sh, ofilename, data, size);
+		if (retval < 0)
+			goto cleanup;
+
+		/*
+		 * Write the users_extra file; users_extra.local
+		 * will be merged into this file.
+		 */
 		ofilename = semanage_path(SEMANAGE_TMP, SEMANAGE_USERS_EXTRA);
 		if (ofilename == NULL) {
-			return retval;
+			retval = -1;
+			goto cleanup;
 		}
 		retval = write_file(sh, ofilename, data, size);
 		if (retval < 0)
-			return retval;
+			goto cleanup;
 
 		pusers_extra->dtable->drop_cache(pusers_extra->dbase);
 		
@@ -652,11 +665,33 @@ static int semanage_direct_update_seuser(semanage_handle_t * sh, cil_db_t *cildb
 	}
 
 	if (size > 0) {
+		/*
+		 * Write the seusers entries from CIL modules.
+		 * This file is used as our baseline when we do not require
+		 * re-linking.
+		 */
+		ofilename = semanage_path(SEMANAGE_TMP,
+					  SEMANAGE_SEUSERS_LINKED);
+		if (ofilename == NULL) {
+			retval = -1;
+			goto cleanup;
+		}
+		retval = write_file(sh, ofilename, data, size);
+		if (retval < 0)
+			goto cleanup;
+
+		/*
+		 * Write the seusers file; seusers.local will be merged into
+		 * this file.
+		 */
 		ofilename = semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_SEUSERS);
 		if (ofilename == NULL) {
-			return -1;
+			retval = -1;
+			goto cleanup;
 		}
 		retval = write_file(sh, ofilename, data, size);
+		if (retval < 0)
+			goto cleanup;
 
 		pseusers->dtable->drop_cache(pseusers->dbase);
 	} else {
@@ -1095,21 +1130,18 @@ static int semanage_direct_commit(semanage_handle_t * sh)
 	size_t fc_buffer_len = 0;
 	const char *ofilename = NULL;
 	const char *path;
-	int retval = -1, num_modinfos = 0, i, missing_policy_kern = 0,
-		missing_seusers = 0, missing_fc = 0, missing = 0;
+	int retval = -1, num_modinfos = 0, i;
 	sepol_policydb_t *out = NULL;
 	struct cil_db *cildb = NULL;
 	semanage_module_info_t *modinfos = NULL;
 
-	/* Declare some variables */
-	int modified = 0, fcontexts_modified, ports_modified,
-	    seusers_modified, users_extra_modified, dontaudit_modified,
-	    preserve_tunables_modified, bools_modified = 0,
+	int do_rebuild, do_write_kernel, do_install;
+	int fcontexts_modified, ports_modified, seusers_modified,
 		disable_dontaudit, preserve_tunables;
 	dbase_config_t *users = semanage_user_dbase_local(sh);
 	dbase_config_t *users_base = semanage_user_base_dbase_local(sh);
 	dbase_config_t *pusers_base = semanage_user_base_dbase_policy(sh);
-	dbase_config_t *users_extra = semanage_user_extra_dbase_local(sh);
+	dbase_config_t *pusers_extra = semanage_user_extra_dbase_policy(sh);
 	dbase_config_t *ports = semanage_port_dbase_local(sh);
 	dbase_config_t *pports = semanage_port_dbase_policy(sh);
 	dbase_config_t *bools = semanage_bool_dbase_local(sh);
@@ -1121,13 +1153,22 @@ static int semanage_direct_commit(semanage_handle_t * sh)
 	dbase_config_t *fcontexts = semanage_fcontext_dbase_local(sh);
 	dbase_config_t *pfcontexts = semanage_fcontext_dbase_policy(sh);
 	dbase_config_t *seusers = semanage_seuser_dbase_local(sh);
+	dbase_config_t *pseusers = semanage_seuser_dbase_policy(sh);
+
+	/* Modified flags that we need to use more than once. */
+	ports_modified = ports->dtable->is_modified(ports->dbase);
+	seusers_modified = seusers->dtable->is_modified(seusers->dbase);
+	fcontexts_modified = fcontexts->dtable->is_modified(fcontexts->dbase);
+
+	/* Rebuild if explicitly requested or any module changes occurred. */
+	do_rebuild = sh->do_rebuild | sh->modules_modified;
 
 	/* Create or remove the disable_dontaudit flag file. */
 	path = semanage_path(SEMANAGE_TMP, SEMANAGE_DISABLE_DONTAUDIT);
 	if (access(path, F_OK) == 0)
-		dontaudit_modified = !(sepol_get_disable_dontaudit(sh->sepolh) == 1);
+		do_rebuild |= !(sepol_get_disable_dontaudit(sh->sepolh) == 1);
 	else
-		dontaudit_modified = (sepol_get_disable_dontaudit(sh->sepolh) == 1);
+		do_rebuild |= (sepol_get_disable_dontaudit(sh->sepolh) == 1);
 	if (sepol_get_disable_dontaudit(sh->sepolh) == 1) {
 		FILE *touch;
 		touch = fopen(path, "w");
@@ -1150,9 +1191,9 @@ static int semanage_direct_commit(semanage_handle_t * sh)
 	/* Create or remove the preserve_tunables flag file. */
 	path = semanage_path(SEMANAGE_TMP, SEMANAGE_PRESERVE_TUNABLES);
 	if (access(path, F_OK) == 0)
-		preserve_tunables_modified = !(sepol_get_preserve_tunables(sh->sepolh) == 1);
+		do_rebuild |= !(sepol_get_preserve_tunables(sh->sepolh) == 1);
 	else
-		preserve_tunables_modified = (sepol_get_preserve_tunables(sh->sepolh) == 1);
+		do_rebuild |= (sepol_get_preserve_tunables(sh->sepolh) == 1);
 	if (sepol_get_preserve_tunables(sh->sepolh) == 1) {
 		FILE *touch;
 		touch = fopen(path, "w");
@@ -1180,54 +1221,75 @@ static int semanage_direct_commit(semanage_handle_t * sh)
 			goto cleanup;
 	}
 
-	/* Decide if anything was modified */
-	fcontexts_modified = fcontexts->dtable->is_modified(fcontexts->dbase);
-	seusers_modified = seusers->dtable->is_modified(seusers->dbase);
-	users_extra_modified =
-	    users_extra->dtable->is_modified(users_extra->dbase);
-	ports_modified = ports->dtable->is_modified(ports->dbase);
-	bools_modified = bools->dtable->is_modified(bools->dbase);
-
-	modified = sh->modules_modified;
-	modified |= seusers_modified;
-	modified |= users_extra_modified;
-	modified |= ports_modified;
-	modified |= users->dtable->is_modified(users_base->dbase);
-	modified |= ifaces->dtable->is_modified(ifaces->dbase);
-	modified |= nodes->dtable->is_modified(nodes->dbase);
-	modified |= dontaudit_modified;
-	modified |= preserve_tunables_modified;
-
-	/* This is for systems that have already migrated with an older version
-	 * of semanage_migrate_store. The older version did not copy policy.kern so
-	 * the policy binary must be rebuilt here.
+	/*
+	 * This is for systems that have already migrated with an older version
+	 * of semanage_migrate_store. The older version did not copy
+	 * policy.kern so the policy binary must be rebuilt here.
+	 * This also ensures that any linked files that are required
+	 * in order to skip re-linking are present; otherwise, we force
+	 * a rebuild.
 	 */
-	if (!sh->do_rebuild && !modified) {
+	if (!do_rebuild) {
 		path = semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_KERNEL);
-
 		if (access(path, F_OK) != 0) {
-			missing_policy_kern = 1;
+			do_rebuild = 1;
+			goto rebuild;
 		}
 
 		path = semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_FC);
-
 		if (access(path, F_OK) != 0) {
-			missing_fc = 1;
+			do_rebuild = 1;
+			goto rebuild;
 		}
 
 		path = semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_SEUSERS);
+		if (access(path, F_OK) != 0) {
+			do_rebuild = 1;
+			goto rebuild;
+		}
 
+		path = semanage_path(SEMANAGE_TMP, SEMANAGE_LINKED);
 		if (access(path, F_OK) != 0) {
-			missing_seusers = 1;
+			do_rebuild = 1;
+			goto rebuild;
 		}
-	}
 
-	missing |= missing_policy_kern;
-	missing |= missing_fc;
-	missing |= missing_seusers;
+		path = semanage_path(SEMANAGE_TMP, SEMANAGE_SEUSERS_LINKED);
+		if (access(path, F_OK) != 0) {
+			do_rebuild = 1;
+			goto rebuild;
+		}
+
+		path = semanage_path(SEMANAGE_TMP, SEMANAGE_USERS_EXTRA_LINKED);
+		if (access(path, F_OK) != 0) {
+			do_rebuild = 1;
+			goto rebuild;
+		}
+	}
 
-	/* If there were policy changes, or explicitly requested, rebuild the policy */
-	if (sh->do_rebuild || modified || missing) {
+rebuild:
+	/*
+	 * Now that we know whether or not a rebuild is required,
+	 * we can determine what else needs to be done.
+	 * We need to write the kernel policy if we are rebuilding
+	 * or if any other policy component that lives in the kernel
+	 * policy has been modified.
+	 * We need to install the policy files if any of the managed files
+	 * that live under /etc/selinux (kernel policy, seusers, file contexts)
+	 * will be modified.
+	 */
+	do_write_kernel = do_rebuild | ports_modified |
+		bools->dtable->is_modified(bools->dbase) |
+		ifaces->dtable->is_modified(ifaces->dbase) |
+		nodes->dtable->is_modified(nodes->dbase) |
+		users->dtable->is_modified(users_base->dbase);
+	do_install = do_write_kernel | seusers_modified | fcontexts_modified;
+
+	/*
+	 * If there were policy changes, or explicitly requested, or
+	 * any required files are missing, rebuild the policy.
+	 */
+	if (do_rebuild) {
 		/* =================== Module expansion =============== */
 
 		retval = semanage_get_active_modules(sh, &modinfos, &num_modinfos);
@@ -1316,43 +1378,72 @@ static int semanage_direct_commit(semanage_handle_t * sh)
 			goto cleanup;
 
 		cil_db_destroy(&cildb);
-	
+
+		/* Write the linked policy before merging local changes. */
+		retval = semanage_write_policydb(sh, out,
+						 SEMANAGE_LINKED);
+		if (retval < 0)
+			goto cleanup;
 	} else {
-		/* Load already linked policy */
+		/* Load the existing linked policy, w/o local changes */
 		retval = sepol_policydb_create(&out);
 		if (retval < 0)
 			goto cleanup;
 
-		retval = semanage_read_policydb(sh, out);
+		retval = semanage_read_policydb(sh, out, SEMANAGE_LINKED);
 		if (retval < 0)
 			goto cleanup;
-	}
 
-	if (sh->do_rebuild || modified || bools_modified) {
-		/* Attach to policy databases that work with a policydb. */
-		dbase_policydb_attach((dbase_policydb_t *) pusers_base->dbase, out);
-		dbase_policydb_attach((dbase_policydb_t *) pports->dbase, out);
-		dbase_policydb_attach((dbase_policydb_t *) pifaces->dbase, out);
-		dbase_policydb_attach((dbase_policydb_t *) pbools->dbase, out);
-		dbase_policydb_attach((dbase_policydb_t *) pnodes->dbase, out);
+		path = semanage_path(SEMANAGE_TMP, SEMANAGE_SEUSERS_LINKED);
+		if (access(path, F_OK) == 0) {
+			retval = semanage_copy_file(path,
+						    semanage_path(SEMANAGE_TMP,
+								  SEMANAGE_STORE_SEUSERS),
+						    sh->conf->file_mode);
+			if (retval < 0)
+				goto cleanup;
+			pseusers->dtable->drop_cache(pseusers->dbase);
+		} else {
+			pseusers->dtable->clear(sh, pseusers->dbase);
+		}
+
+		path = semanage_path(SEMANAGE_TMP, SEMANAGE_USERS_EXTRA_LINKED);
+		if (access(path, F_OK) == 0) {
+			retval = semanage_copy_file(path,
+						    semanage_path(SEMANAGE_TMP,
+								  SEMANAGE_USERS_EXTRA),
+						    sh->conf->file_mode);
+			if (retval < 0)
+				goto cleanup;
+			pusers_extra->dtable->drop_cache(pusers_extra->dbase);
+		} else {
+			pusers_extra->dtable->clear(sh, pusers_extra->dbase);
+		}
+	}
 
-		/* ============= Apply changes, and verify  =============== */
+	/* Attach our databases to the policydb we just created or loaded. */
+	dbase_policydb_attach((dbase_policydb_t *) pusers_base->dbase, out);
+	dbase_policydb_attach((dbase_policydb_t *) pports->dbase, out);
+	dbase_policydb_attach((dbase_policydb_t *) pifaces->dbase, out);
+	dbase_policydb_attach((dbase_policydb_t *) pbools->dbase, out);
+	dbase_policydb_attach((dbase_policydb_t *) pnodes->dbase, out);
 
-		retval = semanage_base_merge_components(sh);
-		if (retval < 0)
-			goto cleanup;
+	/* Merge local changes */
+	retval = semanage_base_merge_components(sh);
+	if (retval < 0)
+		goto cleanup;
 
-		retval = semanage_write_policydb(sh, out);
+	if (do_write_kernel) {
+		/* Write new kernel policy. */
+		retval = semanage_write_policydb(sh, out,
+						 SEMANAGE_STORE_KERNEL);
 		if (retval < 0)
 			goto cleanup;
 
+		/* Run the kernel policy verifier, if any. */
 		retval = semanage_verify_kernel(sh);
 		if (retval < 0)
 			goto cleanup;
-	} else {
-		retval = semanage_base_merge_components(sh);
-		if (retval < 0)
-			goto cleanup;
 	}
 
 	/* ======= Post-process: Validate non-policydb components ===== */
@@ -1361,21 +1452,21 @@ static int semanage_direct_commit(semanage_handle_t * sh)
 	 * Note: those are still cached, even though they've been 
 	 * merged into the main file_contexts. We won't check the 
 	 * large file_contexts - checked at compile time */
-	if (sh->do_rebuild || modified || fcontexts_modified) {
+	if (do_rebuild || fcontexts_modified) {
 		retval = semanage_fcontext_validate_local(sh, out);
 		if (retval < 0)
 			goto cleanup;
 	}
 
 	/* Validate local seusers against policy */
-	if (sh->do_rebuild || modified || seusers_modified) {
+	if (do_rebuild || seusers_modified) {
 		retval = semanage_seuser_validate_local(sh, out);
 		if (retval < 0)
 			goto cleanup;
 	}
 
 	/* Validate local ports for overlap */
-	if (sh->do_rebuild || modified || ports_modified) {
+	if (do_rebuild || ports_modified) {
 		retval = semanage_port_validate_local(sh);
 		if (retval < 0)
 			goto cleanup;
@@ -1396,33 +1487,27 @@ static int semanage_direct_commit(semanage_handle_t * sh)
 	}
 
 	path = semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_FC_LOCAL);
-	if (access(path, F_OK) == 0) {
-		retval = semanage_copy_file(semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_FC_LOCAL),
-							semanage_final_path(SEMANAGE_FINAL_TMP, SEMANAGE_FC_LOCAL),
-							sh->conf->file_mode);
-		if (retval < 0) {
-			goto cleanup;
-		}
+	retval = semanage_copy_file(semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_FC_LOCAL),
+						semanage_final_path(SEMANAGE_FINAL_TMP, SEMANAGE_FC_LOCAL),
+						sh->conf->file_mode);
+	if (retval < 0 && errno != ENOENT) {
+		goto cleanup;
 	}
 
 	path = semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_FC);
-	if (access(path, F_OK) == 0) {
-		retval = semanage_copy_file(semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_FC),
-							semanage_final_path(SEMANAGE_FINAL_TMP, SEMANAGE_FC),
-							sh->conf->file_mode);
-		if (retval < 0) {
-			goto cleanup;
-		}
+	retval = semanage_copy_file(semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_FC),
+						semanage_final_path(SEMANAGE_FINAL_TMP, SEMANAGE_FC),
+						sh->conf->file_mode);
+	if (retval < 0 && errno != ENOENT) {
+		goto cleanup;
 	}
 
 	path = semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_SEUSERS);
-	if (access(path, F_OK) == 0) {
-		retval = semanage_copy_file(semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_SEUSERS),
-							semanage_final_path(SEMANAGE_FINAL_TMP, SEMANAGE_SEUSERS),
-							sh->conf->file_mode);
-		if (retval < 0) {
-			goto cleanup;
-		}
+	retval = semanage_copy_file(semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_SEUSERS),
+						semanage_final_path(SEMANAGE_FINAL_TMP, SEMANAGE_SEUSERS),
+						sh->conf->file_mode);
+	if (retval < 0 && errno != ENOENT) {
+		goto cleanup;
 	}
 
 	/* run genhomedircon if its enabled, this should be the last operation
@@ -1444,9 +1529,8 @@ static int semanage_direct_commit(semanage_handle_t * sh)
 	sepol_policydb_free(out);
 	out = NULL;
 
-	if (sh->do_rebuild || modified || bools_modified || fcontexts_modified) {
+	if (do_install)
 		retval = semanage_install_sandbox(sh);
-	}
 
 cleanup:
 	for (i = 0; i < num_modinfos; i++) {
@@ -1458,14 +1542,12 @@ cleanup:
 		free(mod_filenames[i]);
 	}
 
-	if (modified || bools_modified) {
-		/* Detach from policydb, so it can be freed */
-		dbase_policydb_detach((dbase_policydb_t *) pusers_base->dbase);
-		dbase_policydb_detach((dbase_policydb_t *) pports->dbase);
-		dbase_policydb_detach((dbase_policydb_t *) pifaces->dbase);
-		dbase_policydb_detach((dbase_policydb_t *) pnodes->dbase);
-		dbase_policydb_detach((dbase_policydb_t *) pbools->dbase);
-	}
+	/* Detach from policydb, so it can be freed */
+	dbase_policydb_detach((dbase_policydb_t *) pusers_base->dbase);
+	dbase_policydb_detach((dbase_policydb_t *) pports->dbase);
+	dbase_policydb_detach((dbase_policydb_t *) pifaces->dbase);
+	dbase_policydb_detach((dbase_policydb_t *) pnodes->dbase);
+	dbase_policydb_detach((dbase_policydb_t *) pbools->dbase);
 
 	free(mod_filenames);
 	sepol_policydb_free(out);
@@ -1981,7 +2063,7 @@ int semanage_direct_mls_enabled(semanage_handle_t * sh)
 	if (retval < 0)
 		goto cleanup;
 
-	retval = semanage_read_policydb(sh, p);
+	retval = semanage_read_policydb(sh, p, SEMANAGE_STORE_KERNEL);
 	if (retval < 0)
 		goto cleanup;
 
diff --git libsemanage-2.6/src/semanage_store.c libsemanage-2.6/src/semanage_store.c
index ca29257..4b87d67 100644
--- libsemanage-2.6/src/semanage_store.c
+++ libsemanage-2.6/src/semanage_store.c
@@ -95,7 +95,7 @@ static const char *semanage_store_paths[SEMANAGE_NUM_STORES] = {
 static const char *semanage_sandbox_paths[SEMANAGE_STORE_NUM_PATHS] = {
 	"",
 	"/modules",
-	"/base.linked",
+	"/policy.linked",
 	"/homedir_template",
 	"/file_contexts.template",
 	"/commit_num",
@@ -104,8 +104,10 @@ static const char *semanage_sandbox_paths[SEMANAGE_STORE_NUM_PATHS] = {
 	"/nodes.local",
 	"/booleans.local",
 	"/seusers.local",
+	"/seusers.linked",
 	"/users.local",
 	"/users_extra.local",
+	"/users_extra.linked",
 	"/users_extra",
 	"/disable_dontaudit",
 	"/preserve_tunables",
@@ -533,7 +535,6 @@ char *semanage_conf_path(void)
 int semanage_create_store(semanage_handle_t * sh, int create)
 {
 	struct stat sb;
-	int mode_mask = R_OK | W_OK | X_OK;
 	const char *path = semanage_files[SEMANAGE_ROOT];
 	int fd;
 
@@ -552,9 +553,9 @@ int semanage_create_store(semanage_handle_t * sh, int create)
 			return -1;
 		}
 	} else {
-		if (!S_ISDIR(sb.st_mode) || access(path, mode_mask) == -1) {
+		if (!S_ISDIR(sb.st_mode)) {
 			ERR(sh,
-			    "Could not access module store at %s, or it is not a directory.",
+			    "Module store at %s is not a directory.",
 			    path);
 			return -1;
 		}
@@ -575,9 +576,9 @@ int semanage_create_store(semanage_handle_t * sh, int create)
 			return -1;
 		}
 	} else {
-		if (!S_ISDIR(sb.st_mode) || access(path, mode_mask) == -1) {
+		if (!S_ISDIR(sb.st_mode)) {
 			ERR(sh,
-			    "Could not access module store active subdirectory at %s, or it is not a directory.",
+			    "Module store active subdirectory at %s is not a directory.",
 			    path);
 			return -1;
 		}
@@ -598,9 +599,9 @@ int semanage_create_store(semanage_handle_t * sh, int create)
 			return -1;
 		}
 	} else {
-		if (!S_ISDIR(sb.st_mode) || access(path, mode_mask) == -1) {
+		if (!S_ISDIR(sb.st_mode)) {
 			ERR(sh,
-			    "Could not access module store active modules subdirectory at %s, or it is not a directory.",
+			    "Module store active modules subdirectory at %s is not a directory.",
 			    path);
 			return -1;
 		}
@@ -619,8 +620,8 @@ int semanage_create_store(semanage_handle_t * sh, int create)
 			return -1;
 		}
 	} else {
-		if (!S_ISREG(sb.st_mode) || access(path, R_OK | W_OK) == -1) {
-			ERR(sh, "Could not access lock file at %s.", path);
+		if (!S_ISREG(sb.st_mode)) {
+			ERR(sh, "Lock file at %s missing.", path);
 			return -1;
 		}
 	}
@@ -1158,7 +1159,7 @@ cleanup:
 	free(all_modinfos);
 
 	if (status != 0) {
-		for (i = 0; i < j; j++) {
+		for (i = 0; i < j; i++) {
 			semanage_module_info_destroy(sh, &(*modinfo)[i]);
 		}
 		free(*modinfo);
@@ -2037,9 +2038,10 @@ int semanage_load_files(semanage_handle_t * sh, cil_db_t *cildb, char **filename
  */
 
 /**
- * Read the policy from the sandbox (kernel)
+ * Read the policy from the sandbox (linked or kernel)
  */
-int semanage_read_policydb(semanage_handle_t * sh, sepol_policydb_t * in)
+int semanage_read_policydb(semanage_handle_t * sh, sepol_policydb_t * in,
+			   enum semanage_sandbox_defs file)
 {
 
 	int retval = STATUS_ERR;
@@ -2048,7 +2050,7 @@ int semanage_read_policydb(semanage_handle_t * sh, sepol_policydb_t * in)
 	FILE *infile = NULL;
 
 	if ((kernel_filename =
-	     semanage_path(SEMANAGE_ACTIVE, SEMANAGE_STORE_KERNEL)) == NULL) {
+	     semanage_path(SEMANAGE_ACTIVE, file)) == NULL) {
 		goto cleanup;
 	}
 	if ((infile = fopen(kernel_filename, "r")) == NULL) {
@@ -2078,9 +2080,10 @@ int semanage_read_policydb(semanage_handle_t * sh, sepol_policydb_t * in)
 	return retval;
 }
 /**
- * Writes the final policy to the sandbox (kernel)
+ * Writes the policy to the sandbox (linked or kernel)
  */
-int semanage_write_policydb(semanage_handle_t * sh, sepol_policydb_t * out)
+int semanage_write_policydb(semanage_handle_t * sh, sepol_policydb_t * out,
+			    enum semanage_sandbox_defs file)
 {
 
 	int retval = STATUS_ERR;
@@ -2089,7 +2092,7 @@ int semanage_write_policydb(semanage_handle_t * sh, sepol_policydb_t * out)
 	FILE *outfile = NULL;
 
 	if ((kernel_filename =
-	     semanage_path(SEMANAGE_TMP, SEMANAGE_STORE_KERNEL)) == NULL) {
+	     semanage_path(SEMANAGE_TMP, file)) == NULL) {
 		goto cleanup;
 	}
 	if ((outfile = fopen(kernel_filename, "wb")) == NULL) {
diff --git libsemanage-2.6/src/semanage_store.h libsemanage-2.6/src/semanage_store.h
index c5b33c8..0b96fbe 100644
--- libsemanage-2.6/src/semanage_store.h
+++ libsemanage-2.6/src/semanage_store.h
@@ -49,8 +49,10 @@ enum semanage_sandbox_defs {
 	SEMANAGE_NODES_LOCAL,
 	SEMANAGE_BOOLEANS_LOCAL,
 	SEMANAGE_SEUSERS_LOCAL,
+	SEMANAGE_SEUSERS_LINKED,
 	SEMANAGE_USERS_BASE_LOCAL,
 	SEMANAGE_USERS_EXTRA_LOCAL,
+	SEMANAGE_USERS_EXTRA_LINKED,
 	SEMANAGE_USERS_EXTRA,
 	SEMANAGE_DISABLE_DONTAUDIT,
 	SEMANAGE_PRESERVE_TUNABLES,
@@ -129,10 +131,12 @@ int semanage_load_files(semanage_handle_t * sh,
 			    cil_db_t *cildb, char **filenames, int num_modules);
 
 int semanage_read_policydb(semanage_handle_t * sh,
-			    sepol_policydb_t * policydb);
+			   sepol_policydb_t * policydb,
+			   enum semanage_sandbox_defs file);
 
 int semanage_write_policydb(semanage_handle_t * sh,
-			    sepol_policydb_t * policydb);
+			    sepol_policydb_t * policydb,
+			    enum semanage_sandbox_defs file);
 
 int semanage_install_sandbox(semanage_handle_t * sh);
 
diff --git libsemanage-2.6/src/seuser_record.c libsemanage-2.6/src/seuser_record.c
index 8823b1e..1ed4594 100644
--- libsemanage-2.6/src/seuser_record.c
+++ libsemanage-2.6/src/seuser_record.c
@@ -33,7 +33,7 @@ struct semanage_seuser {
 
 struct semanage_seuser_key {
 	/* This user's name */
-	const char *name;
+	char *name;
 };
 
 int semanage_seuser_key_create(semanage_handle_t * handle,
@@ -48,7 +48,12 @@ int semanage_seuser_key_create(semanage_handle_t * handle,
 		ERR(handle, "out of memory, could not create seuser key");
 		return STATUS_ERR;
 	}
-	tmp_key->name = name;
+	tmp_key->name = strdup(name);
+	if (!tmp_key->name) {
+		ERR(handle, "out of memory, could not create seuser key");
+		free(tmp_key);
+		return STATUS_ERR;
+	}
 
 	*key_ptr = tmp_key;
 	return STATUS_SUCCESS;
@@ -75,7 +80,7 @@ hidden_def(semanage_seuser_key_extract)
 
 void semanage_seuser_key_free(semanage_seuser_key_t * key)
 {
-
+	free(key->name);
 	free(key);
 }