1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <dex2oat_return_codes.h>
18
19 namespace android {
20 namespace installd {
21
22 // Constants for exit codes that installd code emits. These are failure situations before calling
23 // any tools, e.g., in validation, and must not overlap with the exit codes of tools, so they
24 // can be distinguished.
25 enum DexoptReturnCodes : int {
26 kSetGid = 64,
27 kSetUid = 65,
28 kCapSet = 66,
29 kFlock = 67,
30 kProfmanExec = 68,
31 kSetSchedPolicy = 70,
32 kSetPriority = 71,
33 kDex2oatExec = 72,
34 kInstructionSetLength = 73,
35 kHashValidatePath = 74,
36 kHashOpenPath = 75,
37 kHashReadDex = 76,
38 kHashWrite = 77,
39 };
40
get_installd_return_code_name(DexoptReturnCodes code)41 inline const char* get_installd_return_code_name(DexoptReturnCodes code) {
42 switch (code) {
43 case kSetGid:
44 return "setgid";
45 case kSetUid:
46 return "setuid";
47 case kCapSet:
48 return "capset";
49 case kFlock:
50 return "flock";
51 case kProfmanExec:
52 return "exec(profman)";
53 case kSetSchedPolicy:
54 return "setschedpolicy";
55 case kSetPriority:
56 return "setpriority";
57 case kDex2oatExec:
58 return "exec(dex2oat)";
59 case kInstructionSetLength:
60 return "instruction-set-length";
61 case kHashValidatePath:
62 return "hash(validate-path)";
63 case kHashOpenPath:
64 return "hash(open-path)";
65 case kHashReadDex:
66 return "hash(read-dex)";
67 case kHashWrite:
68 return "hash(write)";
69 }
70 return nullptr;
71 }
72
get_dex2oat_return_code_name(art::dex2oat::ReturnCode code)73 inline const char* get_dex2oat_return_code_name(art::dex2oat::ReturnCode code) {
74 switch (code) {
75 case art::dex2oat::ReturnCode::kNoFailure:
76 return "dex2oat success";
77 case art::dex2oat::ReturnCode::kOther:
78 return "unspecified dex2oat error";
79 case art::dex2oat::ReturnCode::kCreateRuntime:
80 return "dex2oat failed to create a runtime";
81 }
82 return nullptr;
83 }
84
85 // Get some slightly descriptive string for the return code. Handles both DexoptReturnCodes (local
86 // exit codes) as well as art::dex2oat::ReturnCode.
get_return_code_name(int code)87 inline const char* get_return_code_name(int code) {
88 // Try to enforce non-overlap (see comment on DexoptReturnCodes)
89 // TODO: How could switch-case checks be used to enforce completeness?
90 switch (code) {
91 case kSetGid:
92 case kSetUid:
93 case kCapSet:
94 case kFlock:
95 case kProfmanExec:
96 case kSetSchedPolicy:
97 case kSetPriority:
98 case kDex2oatExec:
99 case kInstructionSetLength:
100 case kHashValidatePath:
101 case kHashOpenPath:
102 case kHashReadDex:
103 case kHashWrite:
104 break;
105 case static_cast<int>(art::dex2oat::ReturnCode::kNoFailure):
106 case static_cast<int>(art::dex2oat::ReturnCode::kOther):
107 case static_cast<int>(art::dex2oat::ReturnCode::kCreateRuntime):
108 break;
109 }
110 const char* value = get_installd_return_code_name(static_cast<DexoptReturnCodes>(code));
111 if (value != nullptr) {
112 return value;
113 }
114 value = get_dex2oat_return_code_name(static_cast<art::dex2oat::ReturnCode>(code));
115 return value;
116 }
117
118 } // namespace installd
119 } // namespace android
120