135 	ssize_t length;  in sel_read_enforce()  local
137 	length = scnprintf(tmpbuf, TMPBUFLEN, "%d", selinux_enforcing);  in sel_read_enforce()
138 	return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);  in sel_read_enforce()
147 	ssize_t length;  in sel_write_enforce()  local
150 	length = -ENOMEM;  in sel_write_enforce()
155 	length = -EINVAL;  in sel_write_enforce()
159 	length = -ENOMEM;  in sel_write_enforce()
164 	length = -EFAULT;  in sel_write_enforce()
168 	length = -EINVAL;  in sel_write_enforce()
173 		length = task_has_security(current, SECURITY__SETENFORCE);  in sel_write_enforce()
174 		if (length)  in sel_write_enforce()
187 	length = count;  in sel_write_enforce()
190 	return length;  in sel_write_enforce()
206 	ssize_t length;  in sel_read_handle_unknown()  local
211 	length = scnprintf(tmpbuf, TMPBUFLEN, "%d", handle_unknown);  in sel_read_handle_unknown()
212 	return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);  in sel_read_handle_unknown()
279 	ssize_t length;  in sel_write_disable()  local
282 	length = -ENOMEM;  in sel_write_disable()
287 	length = -EINVAL;  in sel_write_disable()
291 	length = -ENOMEM;  in sel_write_disable()
296 	length = -EFAULT;  in sel_write_disable()
300 	length = -EINVAL;  in sel_write_disable()
305 		length = selinux_disable();  in sel_write_disable()
306 		if (length)  in sel_write_disable()
314 	length = count;  in sel_write_disable()
317 	return length;  in sel_write_disable()
332 	ssize_t length;  in sel_read_policyvers()  local
334 	length = scnprintf(tmpbuf, TMPBUFLEN, "%u", POLICYDB_VERSION_MAX);  in sel_read_policyvers()
335 	return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);  in sel_read_policyvers()
356 	ssize_t length;  in sel_read_mls()  local
358 	length = scnprintf(tmpbuf, TMPBUFLEN, "%d",  in sel_read_mls()
360 	return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);  in sel_read_mls()
508 	ssize_t length;  in sel_write_load()  local
513 	length = task_has_security(current, SECURITY__LOAD_POLICY);  in sel_write_load()
514 	if (length)  in sel_write_load()
518 	length = -EINVAL;  in sel_write_load()
522 	length = -EFBIG;  in sel_write_load()
526 	length = -ENOMEM;  in sel_write_load()
531 	length = -EFAULT;  in sel_write_load()
535 	length = security_load_policy(data, count);  in sel_write_load()
536 	if (length)  in sel_write_load()
539 	length = sel_make_bools();  in sel_write_load()
540 	if (length)  in sel_write_load()
543 	length = sel_make_classes();  in sel_write_load()
544 	if (length)  in sel_write_load()
547 	length = sel_make_policycap();  in sel_write_load()
548 	if (length)  in sel_write_load()
551 	length = count;  in sel_write_load()
561 	return length;  in sel_write_load()
573 	ssize_t length;  in sel_write_context()  local
575 	length = task_has_security(current, SECURITY__CHECK_CONTEXT);  in sel_write_context()
576 	if (length)  in sel_write_context()
579 	length = security_context_to_sid(buf, size, &sid, GFP_KERNEL);  in sel_write_context()
580 	if (length)  in sel_write_context()
583 	length = security_sid_to_context(sid, &canon, &len);  in sel_write_context()
584 	if (length)  in sel_write_context()
587 	length = -ERANGE;  in sel_write_context()
595 	length = len;  in sel_write_context()
598 	return length;  in sel_write_context()
605 	ssize_t length;  in sel_read_checkreqprot()  local
607 	length = scnprintf(tmpbuf, TMPBUFLEN, "%u", selinux_checkreqprot);  in sel_read_checkreqprot()
608 	return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);  in sel_read_checkreqprot()
615 	ssize_t length;  in sel_write_checkreqprot()  local
618 	length = task_has_security(current, SECURITY__SETCHECKREQPROT);  in sel_write_checkreqprot()
619 	if (length)  in sel_write_checkreqprot()
622 	length = -ENOMEM;  in sel_write_checkreqprot()
627 	length = -EINVAL;  in sel_write_checkreqprot()
631 	length = -ENOMEM;  in sel_write_checkreqprot()
636 	length = -EFAULT;  in sel_write_checkreqprot()
640 	length = -EINVAL;  in sel_write_checkreqprot()
645 	length = count;  in sel_write_checkreqprot()
648 	return length;  in sel_write_checkreqprot()
714 	ssize_t length;  in sel_write_access()  local
716 	length = task_has_security(current, SECURITY__COMPUTE_AV);  in sel_write_access()
717 	if (length)  in sel_write_access()
720 	length = -ENOMEM;  in sel_write_access()
725 	length = -ENOMEM;  in sel_write_access()
730 	length = -EINVAL;  in sel_write_access()
734 	length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);  in sel_write_access()
735 	if (length)  in sel_write_access()
738 	length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);  in sel_write_access()
739 	if (length)  in sel_write_access()
744 	length = scnprintf(buf, SIMPLE_TRANSACTION_LIMIT,  in sel_write_access()
752 	return length;  in sel_write_access()
761 	ssize_t length;  in sel_write_create()  local
766 	length = task_has_security(current, SECURITY__COMPUTE_CREATE);  in sel_write_create()
767 	if (length)  in sel_write_create()
770 	length = -ENOMEM;  in sel_write_create()
775 	length = -ENOMEM;  in sel_write_create()
780 	length = -ENOMEM;  in sel_write_create()
785 	length = -EINVAL;  in sel_write_create()
820 	length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);  in sel_write_create()
821 	if (length)  in sel_write_create()
824 	length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);  in sel_write_create()
825 	if (length)  in sel_write_create()
828 	length = security_transition_sid_user(ssid, tsid, tclass,  in sel_write_create()
830 	if (length)  in sel_write_create()
833 	length = security_sid_to_context(newsid, &newcon, &len);  in sel_write_create()
834 	if (length)  in sel_write_create()
837 	length = -ERANGE;  in sel_write_create()
845 	length = len;  in sel_write_create()
851 	return length;  in sel_write_create()
859 	ssize_t length;  in sel_write_relabel()  local
863 	length = task_has_security(current, SECURITY__COMPUTE_RELABEL);  in sel_write_relabel()
864 	if (length)  in sel_write_relabel()
867 	length = -ENOMEM;  in sel_write_relabel()
872 	length = -ENOMEM;  in sel_write_relabel()
877 	length = -EINVAL;  in sel_write_relabel()
881 	length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);  in sel_write_relabel()
882 	if (length)  in sel_write_relabel()
885 	length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);  in sel_write_relabel()
886 	if (length)  in sel_write_relabel()
889 	length = security_change_sid(ssid, tsid, tclass, &newsid);  in sel_write_relabel()
890 	if (length)  in sel_write_relabel()
893 	length = security_sid_to_context(newsid, &newcon, &len);  in sel_write_relabel()
894 	if (length)  in sel_write_relabel()
897 	length = -ERANGE;  in sel_write_relabel()
902 	length = len;  in sel_write_relabel()
907 	return length;  in sel_write_relabel()
914 	ssize_t length;  in sel_write_user()  local
919 	length = task_has_security(current, SECURITY__COMPUTE_USER);  in sel_write_user()
920 	if (length)  in sel_write_user()
923 	length = -ENOMEM;  in sel_write_user()
928 	length = -ENOMEM;  in sel_write_user()
933 	length = -EINVAL;  in sel_write_user()
937 	length = security_context_str_to_sid(con, &sid, GFP_KERNEL);  in sel_write_user()
938 	if (length)  in sel_write_user()
941 	length = security_get_user_sids(sid, user, &sids, &nsids);  in sel_write_user()
942 	if (length)  in sel_write_user()
945 	length = sprintf(buf, "%u", nsids) + 1;  in sel_write_user()
946 	ptr = buf + length;  in sel_write_user()
950 			length = rc;  in sel_write_user()
953 		if ((length + len) >= SIMPLE_TRANSACTION_LIMIT) {  in sel_write_user()
955 			length = -ERANGE;  in sel_write_user()
961 		length += len;  in sel_write_user()
967 	return length;  in sel_write_user()
975 	ssize_t length;  in sel_write_member()  local
979 	length = task_has_security(current, SECURITY__COMPUTE_MEMBER);  in sel_write_member()
980 	if (length)  in sel_write_member()
983 	length = -ENOMEM;  in sel_write_member()
988 	length = -ENOMEM;  in sel_write_member()
993 	length = -EINVAL;  in sel_write_member()
997 	length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);  in sel_write_member()
998 	if (length)  in sel_write_member()
1001 	length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);  in sel_write_member()
1002 	if (length)  in sel_write_member()
1005 	length = security_member_sid(ssid, tsid, tclass, &newsid);  in sel_write_member()
1006 	if (length)  in sel_write_member()
1009 	length = security_sid_to_context(newsid, &newcon, &len);  in sel_write_member()
1010 	if (length)  in sel_write_member()
1013 	length = -ERANGE;  in sel_write_member()
1021 	length = len;  in sel_write_member()
1026 	return length;  in sel_write_member()
1044 	ssize_t length;  in sel_read_bool()  local
1066 	length = scnprintf(page, PAGE_SIZE, "%d %d", cur_enforcing,  in sel_read_bool()
1068 	ret = simple_read_from_buffer(buf, count, ppos, page, length);  in sel_read_bool()
1079 	ssize_t length;  in sel_write_bool()  local
1086 	length = task_has_security(current, SECURITY__SETBOOL);  in sel_write_bool()
1087 	if (length)  in sel_write_bool()
1090 	length = -EINVAL;  in sel_write_bool()
1094 	length = -ENOMEM;  in sel_write_bool()
1099 	length = -EINVAL;  in sel_write_bool()
1103 	length = -ENOMEM;  in sel_write_bool()
1108 	length = -EFAULT;  in sel_write_bool()
1112 	length = -EINVAL;  in sel_write_bool()
1120 	length = count;  in sel_write_bool()
1125 	return length;  in sel_write_bool()
1139 	ssize_t length;  in sel_commit_bools_write()  local
1144 	length = task_has_security(current, SECURITY__SETBOOL);  in sel_commit_bools_write()
1145 	if (length)  in sel_commit_bools_write()
1148 	length = -ENOMEM;  in sel_commit_bools_write()
1153 	length = -EINVAL;  in sel_commit_bools_write()
1157 	length = -ENOMEM;  in sel_commit_bools_write()
1162 	length = -EFAULT;  in sel_commit_bools_write()
1166 	length = -EINVAL;  in sel_commit_bools_write()
1170 	length = 0;  in sel_commit_bools_write()
1172 		length = security_set_bools(bool_num, bool_pending_values);  in sel_commit_bools_write()
1174 	if (!length)  in sel_commit_bools_write()
1175 		length = count;  in sel_commit_bools_write()
1180 	return length;  in sel_commit_bools_write()
1284 	ssize_t length;  in sel_read_avc_cache_threshold()  local
1286 	length = scnprintf(tmpbuf, TMPBUFLEN, "%u", avc_cache_threshold);  in sel_read_avc_cache_threshold()
1287 	return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);  in sel_read_avc_cache_threshold()
1337 	ssize_t length;  in sel_read_avc_hash_stats()  local
1343 	length = avc_get_hash_stats(page);  in sel_read_avc_hash_stats()
1344 	if (length >= 0)  in sel_read_avc_hash_stats()
1345 		length = simple_read_from_buffer(buf, count, ppos, page, length);  in sel_read_avc_hash_stats()
1348 	return length;  in sel_read_avc_hash_stats()
1562 	ssize_t length;  in sel_read_policycap()  local
1566 	length = scnprintf(tmpbuf, TMPBUFLEN, "%d", value);  in sel_read_policycap()
1568 	return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);  in sel_read_policycap()