1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2021-2022 Klara Systems 5 * 6 * This software was developed by Mitchell Horne <mhorne@FreeBSD.org> 7 * under sponsorship from Juniper Networks and Klara Systems. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 #include "opt_mac.h" 31 32 #include <sys/param.h> 33 #include <sys/kernel.h> 34 #include <sys/module.h> 35 36 #include <ddb/ddb.h> 37 38 #include <security/mac/mac_framework.h> 39 #include <security/mac/mac_internal.h> 40 #include <security/mac/mac_policy.h> 41 42 int 43 mac_kdb_grant_backend(struct kdb_dbbe *be) 44 { 45 int error = 0; 46 47 MAC_POLICY_GRANT_NOSLEEP(kdb_check_backend, be); 48 return (error); 49 } 50 51 int 52 mac_kdb_check_backend(struct kdb_dbbe *be) 53 { 54 int error = 0; 55 56 MAC_POLICY_CHECK_NOSLEEP(kdb_check_backend, be); 57 return (error); 58 } 59 60 int 61 mac_ddb_command_register(struct db_command_table *table, struct db_command *cmd) 62 { 63 int error = 0; 64 65 MAC_POLICY_CHECK_NOSLEEP(ddb_command_register, table, cmd); 66 return (error); 67 } 68 69 int 70 mac_ddb_command_exec(struct db_command *cmd, db_expr_t addr, 71 bool have_addr, db_expr_t count, char *modif) 72 { 73 int error = 0; 74 75 MAC_POLICY_CHECK_NOSLEEP(ddb_command_exec, cmd, addr, have_addr, 76 count, modif); 77 return (error); 78 } 79