167 static bool __init is_enabled(struct lsm_info *lsm)  in is_enabled()  argument
169 	if (!lsm->enabled)  in is_enabled()
172 	return *lsm->enabled;  in is_enabled()
178 static void __init set_enabled(struct lsm_info *lsm, bool enabled)  in set_enabled()  argument
184 	if (!lsm->enabled) {  in set_enabled()
186 			lsm->enabled = &lsm_enabled_true;  in set_enabled()
188 			lsm->enabled = &lsm_enabled_false;  in set_enabled()
189 	} else if (lsm->enabled == &lsm_enabled_true) {  in set_enabled()
191 			lsm->enabled = &lsm_enabled_false;  in set_enabled()
192 	} else if (lsm->enabled == &lsm_enabled_false) {  in set_enabled()
194 			lsm->enabled = &lsm_enabled_true;  in set_enabled()
196 		*lsm->enabled = enabled;  in set_enabled()
201 static bool __init exists_ordered_lsm(struct lsm_info *lsm)  in exists_ordered_lsm()  argument
206 		if (*check == lsm)  in exists_ordered_lsm()
214 static void __init append_ordered_lsm(struct lsm_info *lsm, const char *from)  in append_ordered_lsm()  argument
217 	if (exists_ordered_lsm(lsm))  in append_ordered_lsm()
224 	if (!lsm->enabled)  in append_ordered_lsm()
225 		lsm->enabled = &lsm_enabled_true;  in append_ordered_lsm()
226 	ordered_lsms[last_lsm++] = lsm;  in append_ordered_lsm()
228 	init_debug("%s ordered: %s (%s)\n", from, lsm->name,  in append_ordered_lsm()
229 		   is_enabled(lsm) ? "enabled" : "disabled");  in append_ordered_lsm()
233 static bool __init lsm_allowed(struct lsm_info *lsm)  in lsm_allowed()  argument
236 	if (!is_enabled(lsm))  in lsm_allowed()
240 	if ((lsm->flags & LSM_FLAG_EXCLUSIVE) && exclusive) {  in lsm_allowed()
241 		init_debug("exclusive disabled: %s\n", lsm->name);  in lsm_allowed()
289 static void __init prepare_lsm(struct lsm_info *lsm)  in prepare_lsm()  argument
291 	int enabled = lsm_allowed(lsm);  in prepare_lsm()
294 	set_enabled(lsm, enabled);  in prepare_lsm()
298 		if ((lsm->flags & LSM_FLAG_EXCLUSIVE) && !exclusive) {  in prepare_lsm()
299 			exclusive = lsm;  in prepare_lsm()
300 			init_debug("exclusive chosen:   %s\n", lsm->name);  in prepare_lsm()
303 		lsm_set_blob_sizes(lsm->blobs);  in prepare_lsm()
308 static void __init initialize_lsm(struct lsm_info *lsm)  in initialize_lsm()  argument
310 	if (is_enabled(lsm)) {  in initialize_lsm()
313 		init_debug("initializing %s\n", lsm->name);  in initialize_lsm()
314 		ret = lsm->init();  in initialize_lsm()
315 		WARN(ret, "%s failed to initialize: %d\n", lsm->name, ret);  in initialize_lsm()
328 	struct lsm_info *lsm;  in ordered_lsm_parse()  local
332 	for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {  in ordered_lsm_parse()
333 		if (lsm->order == LSM_ORDER_FIRST)  in ordered_lsm_parse()
334 			append_ordered_lsm(lsm, "  first");  in ordered_lsm_parse()
364 		for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {  in ordered_lsm_parse()
365 			if (strcmp(lsm->name, name) == 0) {  in ordered_lsm_parse()
366 				if (lsm->order == LSM_ORDER_MUTABLE)  in ordered_lsm_parse()
367 					append_ordered_lsm(lsm, origin);  in ordered_lsm_parse()
379 		for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {  in ordered_lsm_parse()
380 			if (exists_ordered_lsm(lsm))  in ordered_lsm_parse()
382 			if (strcmp(lsm->name, chosen_major_lsm) == 0)  in ordered_lsm_parse()
383 				append_ordered_lsm(lsm, "security=");  in ordered_lsm_parse()
388 	for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {  in ordered_lsm_parse()
389 		if (lsm->order == LSM_ORDER_LAST)  in ordered_lsm_parse()
390 			append_ordered_lsm(lsm, "   last");  in ordered_lsm_parse()
394 	for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {  in ordered_lsm_parse()
395 		if (exists_ordered_lsm(lsm))  in ordered_lsm_parse()
397 		set_enabled(lsm, false);  in ordered_lsm_parse()
399 			   origin, lsm->name);  in ordered_lsm_parse()
431 	struct lsm_info **lsm, *early;  in report_lsm_order()  local
441 	for (lsm = ordered_lsms; *lsm; lsm++)  in report_lsm_order()
442 		if (is_enabled(*lsm))  in report_lsm_order()
443 			pr_cont("%s%s", first++ == 0 ? "" : ",", (*lsm)->name);  in report_lsm_order()
450 	struct lsm_info **lsm;  in ordered_lsm_init()  local
462 	for (lsm = ordered_lsms; *lsm; lsm++)  in ordered_lsm_init()
463 		prepare_lsm(*lsm);  in ordered_lsm_init()
498 	for (lsm = ordered_lsms; *lsm; lsm++)  in ordered_lsm_init()
499 		initialize_lsm(*lsm);  in ordered_lsm_init()
504 	struct lsm_info *lsm;  in early_security_init()  local
506 	for (lsm = __start_early_lsm_info; lsm < __end_early_lsm_info; lsm++) {  in early_security_init()
507 		if (!lsm->enabled)  in early_security_init()
508 			lsm->enabled = &lsm_enabled_true;  in early_security_init()
509 		prepare_lsm(lsm);  in early_security_init()
510 		initialize_lsm(lsm);  in early_security_init()
523 	struct lsm_info *lsm;  in security_init()  local
533 	for (lsm = __start_early_lsm_info; lsm < __end_early_lsm_info; lsm++) {  in security_init()
534 		init_debug("  early started: %s (%s)\n", lsm->name,  in security_init()
535 			   is_enabled(lsm) ? "enabled" : "disabled");  in security_init()
536 		if (lsm->enabled)  in security_init()
537 			lsm_append(lsm->name, &lsm_names);  in security_init()
570 static bool match_last_lsm(const char *list, const char *lsm)  in match_last_lsm()  argument
574 	if (WARN_ON(!list || !lsm))  in match_last_lsm()
582 	return !strcmp(last, lsm);  in match_last_lsm()