1 /*
2 * Copyright (c) 2024 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 <sys/coalition_private.h>
30
31 #include <mach/coalition.h>
32 #include <sys/coalition.h>
33 #include <libproc.h>
34
35 #include <sys/types.h>
36 #include <unistd.h>
37
38 #include <darwintest.h>
39 #include <darwintest_utils.h>
40 #include <mach/task.h>
41 #include <mach/task_policy.h>
42 #include <mach/mach.h>
43
44 T_GLOBAL_META(T_META_NAMESPACE("xnu.scheduler"),
45 T_META_RADAR_COMPONENT_NAME("xnu"),
46 T_META_RADAR_COMPONENT_VERSION("scheduler"),
47 T_META_OWNER("chimene"),
48 T_META_RUN_CONCURRENTLY(true));
49
50 static uint64_t
get_jet_id(void)51 get_jet_id(void)
52 {
53 T_LOG("uid: %d, pid %d", getuid(), getpid());
54
55 struct proc_pidcoalitioninfo idinfo;
56
57 int ret = proc_pidinfo(getpid(), PROC_PIDCOALITIONINFO, 0,
58 &idinfo, sizeof(idinfo));
59 T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "proc_pidinfo(... PROC_PIDCOALITIONINFO ...)");
60
61 uint64_t res_id = idinfo.coalition_id[COALITION_TYPE_RESOURCE];
62 uint64_t jet_id = idinfo.coalition_id[COALITION_TYPE_JETSAM];
63
64 T_LOG("Resource coalition: %lld, Jetsam coalition: %lld", res_id, jet_id);
65
66 return jet_id;
67 }
68
69 T_DECL(coalition_suppress_read_unentitled, "COALITION_POLICY_SUPPRESS should not be readable without entitlement")
70 {
71 uint64_t jet_id = get_jet_id();
72
73 int suppress = coalition_policy_get(jet_id, COALITION_POLICY_SUPPRESS);
74 T_ASSERT_POSIX_FAILURE(suppress, EPERM, "coalition_policy_get(%lld, COALITION_POLICY_SUPPRESS)", jet_id);
75 T_LOG("suppress: %d", suppress);
76 }
77
78 T_DECL(coalition_suppress_set_unentitled, "COALITION_POLICY_SUPPRESS should not be settable without entitlement")
79 {
80 uint64_t jet_id = get_jet_id();
81
82 T_ASSERT_POSIX_FAILURE(coalition_policy_set(jet_id, COALITION_POLICY_SUPPRESS, COALITION_POLICY_SUPPRESS_DARWIN_BG), EPERM,
83 "coalition_policy_set(%lld, COALITION_POLICY_SUPPRESS, COALITION_POLICY_SUPPRESS_DARWIN_BG)", jet_id);
84
85 T_ASSERT_POSIX_FAILURE(coalition_policy_set(jet_id, COALITION_POLICY_SUPPRESS, COALITION_POLICY_SUPPRESS_NONE), EPERM,
86 "coalition_policy_set(%lld, COALITION_POLICY_SUPPRESS, COALITION_POLICY_SUPPRESS_NONE)", jet_id);
87 }
88