64 static bool __init is_enabled(struct lsm_info *lsm)  in is_enabled()  argument
66 	if (!lsm->enabled)  in is_enabled()
69 	return *lsm->enabled;  in is_enabled()
75 static void __init set_enabled(struct lsm_info *lsm, bool enabled)  in set_enabled()  argument
81 	if (!lsm->enabled) {  in set_enabled()
83 			lsm->enabled = &lsm_enabled_true;  in set_enabled()
85 			lsm->enabled = &lsm_enabled_false;  in set_enabled()
86 	} else if (lsm->enabled == &lsm_enabled_true) {  in set_enabled()
88 			lsm->enabled = &lsm_enabled_false;  in set_enabled()
89 	} else if (lsm->enabled == &lsm_enabled_false) {  in set_enabled()
91 			lsm->enabled = &lsm_enabled_true;  in set_enabled()
93 		*lsm->enabled = enabled;  in set_enabled()
98 static bool __init exists_ordered_lsm(struct lsm_info *lsm)  in exists_ordered_lsm()  argument
103 		if (*check == lsm)  in exists_ordered_lsm()
111 static void __init append_ordered_lsm(struct lsm_info *lsm, const char *from)  in append_ordered_lsm()  argument
114 	if (exists_ordered_lsm(lsm))  in append_ordered_lsm()
121 	if (!lsm->enabled)  in append_ordered_lsm()
122 		lsm->enabled = &lsm_enabled_true;  in append_ordered_lsm()
123 	ordered_lsms[last_lsm++] = lsm;  in append_ordered_lsm()
125 	init_debug("%s ordering: %s (%sabled)\n", from, lsm->name,  in append_ordered_lsm()
126 		   is_enabled(lsm) ? "en" : "dis");  in append_ordered_lsm()
130 static bool __init lsm_allowed(struct lsm_info *lsm)  in lsm_allowed()  argument
133 	if (!is_enabled(lsm))  in lsm_allowed()
137 	if ((lsm->flags & LSM_FLAG_EXCLUSIVE) && exclusive) {  in lsm_allowed()
138 		init_debug("exclusive disabled: %s\n", lsm->name);  in lsm_allowed()
176 static void __init prepare_lsm(struct lsm_info *lsm)  in prepare_lsm()  argument
178 	int enabled = lsm_allowed(lsm);  in prepare_lsm()
181 	set_enabled(lsm, enabled);  in prepare_lsm()
185 		if ((lsm->flags & LSM_FLAG_EXCLUSIVE) && !exclusive) {  in prepare_lsm()
186 			exclusive = lsm;  in prepare_lsm()
187 			init_debug("exclusive chosen: %s\n", lsm->name);  in prepare_lsm()
190 		lsm_set_blob_sizes(lsm->blobs);  in prepare_lsm()
195 static void __init initialize_lsm(struct lsm_info *lsm)  in initialize_lsm()  argument
197 	if (is_enabled(lsm)) {  in initialize_lsm()
200 		init_debug("initializing %s\n", lsm->name);  in initialize_lsm()
201 		ret = lsm->init();  in initialize_lsm()
202 		WARN(ret, "%s failed to initialize: %d\n", lsm->name, ret);  in initialize_lsm()
209 	struct lsm_info *lsm;  in ordered_lsm_parse()  local
213 	for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {  in ordered_lsm_parse()
214 		if (lsm->order == LSM_ORDER_FIRST)  in ordered_lsm_parse()
215 			append_ordered_lsm(lsm, "first");  in ordered_lsm_parse()
245 		for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {  in ordered_lsm_parse()
246 			if (lsm->order == LSM_ORDER_MUTABLE &&  in ordered_lsm_parse()
247 			    strcmp(lsm->name, name) == 0) {  in ordered_lsm_parse()
248 				append_ordered_lsm(lsm, origin);  in ordered_lsm_parse()
259 		for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {  in ordered_lsm_parse()
260 			if (exists_ordered_lsm(lsm))  in ordered_lsm_parse()
262 			if (strcmp(lsm->name, chosen_major_lsm) == 0)  in ordered_lsm_parse()
263 				append_ordered_lsm(lsm, "security=");  in ordered_lsm_parse()
268 	for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {  in ordered_lsm_parse()
269 		if (exists_ordered_lsm(lsm))  in ordered_lsm_parse()
271 		set_enabled(lsm, false);  in ordered_lsm_parse()
272 		init_debug("%s disabled: %s\n", origin, lsm->name);  in ordered_lsm_parse()
285 	struct lsm_info **lsm;  in ordered_lsm_init()  local
299 	for (lsm = ordered_lsms; *lsm; lsm++)  in ordered_lsm_init()
300 		prepare_lsm(*lsm);  in ordered_lsm_init()
323 	for (lsm = ordered_lsms; *lsm; lsm++)  in ordered_lsm_init()
324 		initialize_lsm(*lsm);  in ordered_lsm_init()
333 	struct lsm_info *lsm;  in early_security_init()  local
339 	for (lsm = __start_early_lsm_info; lsm < __end_early_lsm_info; lsm++) {  in early_security_init()
340 		if (!lsm->enabled)  in early_security_init()
341 			lsm->enabled = &lsm_enabled_true;  in early_security_init()
342 		prepare_lsm(lsm);  in early_security_init()
343 		initialize_lsm(lsm);  in early_security_init()
356 	struct lsm_info *lsm;  in security_init()  local
364 	for (lsm = __start_early_lsm_info; lsm < __end_early_lsm_info; lsm++) {  in security_init()
365 		if (lsm->enabled)  in security_init()
366 			lsm_append(lsm->name, &lsm_names);  in security_init()
399 static bool match_last_lsm(const char *list, const char *lsm)  in match_last_lsm()  argument
403 	if (WARN_ON(!list || !lsm))  in match_last_lsm()
411 	return !strcmp(last, lsm);  in match_last_lsm()
444 				char *lsm)  in security_add_hooks()  argument
449 		hooks[i].lsm = lsm;  in security_add_hooks()
458 		if (lsm_append(lsm, &lsm_names) < 0)  in security_add_hooks()
1879 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,  in security_getprocattr()  argument
1885 		if (lsm != NULL && strcmp(lsm, hp->lsm))  in security_getprocattr()
1892 int security_setprocattr(const char *lsm, const char *name, void *value,  in security_setprocattr()  argument
1898 		if (lsm != NULL && strcmp(lsm, hp->lsm))  in security_setprocattr()