1 /* 2 * Copyright (c) 2025 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #include <darwintest.h> 30 #include <darwintest_posix.h> 31 #include <sys/errno.h> 32 #include <stdint.h> 33 #include <sys/sysctl.h> 34 35 T_GLOBAL_META( 36 T_META_NAMESPACE("xnu.trial"), 37 T_META_RADAR_COMPONENT_NAME("xnu"), 38 T_META_RADAR_COMPONENT_VERSION("sysctl"), 39 T_META_CHECK_LEAKS(false), 40 T_META_RUN_CONCURRENTLY(true), 41 T_META_TAG_VM_PREFERRED, 42 T_META_ASROOT(false)); 43 44 45 #if defined(ENTITLED) 46 T_DECL(kern_trial_sysctl_entitled, 47 "test that kern.trial sysctls can be read-from/written-to if the proper " 48 "entitlement is granted") 49 #else 50 T_DECL(kern_trial_sysctl_unentitled, 51 "test that kern.trial sysctls cannot be read-from/written-to without " 52 "the proper entitlement") 53 #endif 54 { 55 int ret; 56 int32_t val; 57 size_t sz = sizeof(val); 58 59 ret = sysctlbyname("kern.trial.test", &val, &sz, NULL, 0); 60 #if defined(ENTITLED) 61 T_ASSERT_POSIX_SUCCESS(ret, "kern.trial.test can be read from"); 62 #else 63 T_EXPECT_POSIX_FAILURE(ret, EPERM, "kern.trial.test cannot be written to"); 64 #endif 65 66 val = 1; 67 ret = sysctlbyname("kern.trial.test", NULL, 0, &val, sizeof(val)); 68 #if !defined(ENTITLED) 69 T_EXPECT_POSIX_FAILURE(ret, EPERM, "kern.trial.test cannot be written to"); 70 #else 71 T_EXPECT_POSIX_SUCCESS(ret, "kern.trial.test can be written to with a valid value"); 72 73 ret = sysctlbyname("kern.trial.test", &val, &sz, NULL, 0); 74 T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "kern.trial.test can be read from"); 75 T_EXPECT_EQ(val, 1, "kern.trial.test written value took effect"); 76 77 val = UINT32_MAX; 78 ret = sysctlbyname("kern.trial.test", NULL, 0, &val, sizeof(val)); 79 T_EXPECT_POSIX_FAILURE(ret, EINVAL, "kern.trial.test cannot be written to with an invalid value"); 80 #endif 81 } 82