1 /*
2 * Copyright (c) 2024-2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #ifndef OHOS_ABILITY_RUNTIME_APPSPAWN_UTIL_H
17 #define OHOS_ABILITY_RUNTIME_APPSPAWN_UTIL_H
18
19 #include "ability_info.h"
20 #include "app_spawn_client.h"
21 #include "global_constant.h"
22 #include "hitrace_meter.h"
23 #include "want.h"
24
25 namespace OHOS {
26 namespace AppExecFwk {
27 namespace AppspawnUtil {
28 constexpr const char* DLP_PARAMS_INDEX = "ohos.dlp.params.index";
29 constexpr const char*
30 JIT_PERMISSION_ALLOW_WRITABLE_CODE_MEMORY = "ohos.permission.kernel.ALLOW_WRITABLE_CODE_MEMORY";
31 constexpr const char*
32 JIT_PERMISSION_DISABLE_CODE_MEMORY_PROTECTION = "ohos.permission.kernel.DISABLE_CODE_MEMORY_PROTECTION";
33 constexpr const char*
34 JIT_PERMISSION_ALLOW_EXECUTABLE_FORT_MEMORY = "ohos.permission.kernel.ALLOW_EXECUTABLE_FORT_MEMORY";
35 constexpr const char*
36 JIT_PERMISSION_DISABLE_GOTPLT_RO_PROTECTION = "ohos.permission.kernel.DISABLE_GOTPLT_RO_PROTECTION";
37
BuildStartFlags(const AAFwk::Want & want,const ApplicationInfo & applicationInfo)38 static uint32_t BuildStartFlags(const AAFwk::Want &want, const ApplicationInfo &applicationInfo)
39 {
40 uint32_t startFlags = 0x0;
41 if (want.GetBoolParam("coldStart", false)) {
42 startFlags = startFlags | (START_FLAG_BASE << StartFlags::COLD_START);
43 }
44
45 #ifdef WITH_DLP
46 if (want.GetIntParam(DLP_PARAMS_INDEX, 0) != 0) {
47 startFlags = startFlags | (START_FLAG_BASE << StartFlags::DLP_MANAGER);
48 }
49 #endif // WITH_DLP
50
51 if (applicationInfo.debug) {
52 startFlags = startFlags | (START_FLAG_BASE << StartFlags::DEBUGGABLE);
53 }
54 if (applicationInfo.asanEnabled) {
55 startFlags = startFlags | (START_FLAG_BASE << StartFlags::ASANENABLED);
56 }
57 if (want.GetBoolParam("nativeDebug", false)) {
58 startFlags = startFlags | (START_FLAG_BASE << StartFlags::NATIVEDEBUG);
59 }
60 if (applicationInfo.gwpAsanEnabled) {
61 startFlags = startFlags | (START_FLAG_BASE << StartFlags::GWP_ENABLED_FORCE);
62 }
63 if (applicationInfo.isSystemApp) {
64 startFlags = startFlags | (START_FLAG_BASE << StartFlags::GWP_ENABLED_NORMAL);
65 }
66 if (applicationInfo.tsanEnabled) {
67 startFlags = startFlags | (START_FLAG_BASE << StartFlags::TSANENABLED);
68 }
69 if (want.GetBoolParam("ohos.ability.params.extensionControl", false)) {
70 startFlags = startFlags | (START_FLAG_BASE << StartFlags::EXTENSION_CONTROLLED);
71 }
72 if (applicationInfo.multiAppMode.multiAppModeType == MultiAppModeType::APP_CLONE && applicationInfo.appIndex > 0 &&
73 applicationInfo.appIndex <= AbilityRuntime::GlobalConstant::MAX_APP_CLONE_INDEX) {
74 startFlags = startFlags | (START_FLAG_BASE << APP_FLAGS_CLONE_ENABLE);
75 }
76 if (applicationInfo.hwasanEnabled) {
77 startFlags = startFlags | (START_FLAG_BASE << StartFlags::HWASANENABLED);
78 }
79 if (applicationInfo.ubsanEnabled) {
80 startFlags = startFlags | (START_FLAG_BASE << StartFlags::UBSANENABLED);
81 }
82
83 return startFlags;
84 }
85
BuildStartFlags(const AAFwk::Want & want,const AbilityInfo & abilityInfo)86 static uint32_t BuildStartFlags(const AAFwk::Want &want, const AbilityInfo &abilityInfo)
87 {
88 uint32_t startFlags = BuildStartFlags(want, abilityInfo.applicationInfo);
89
90 if (abilityInfo.extensionAbilityType == ExtensionAbilityType::BACKUP) {
91 startFlags = startFlags | (START_FLAG_BASE << StartFlags::BACKUP_EXTENSION);
92 }
93
94 return startFlags;
95 }
96
SetJITPermissions(uint32_t accessTokenId,std::vector<std::string> & jitPermissionsList)97 static void SetJITPermissions(uint32_t accessTokenId, std::vector<std::string> &jitPermissionsList)
98 {
99 HITRACE_METER_NAME(HITRACE_TAG_APP, __PRETTY_FUNCTION__);
100 std::vector<std::string> tmpPermissionList = {
101 JIT_PERMISSION_ALLOW_WRITABLE_CODE_MEMORY,
102 JIT_PERMISSION_DISABLE_CODE_MEMORY_PROTECTION,
103 JIT_PERMISSION_ALLOW_EXECUTABLE_FORT_MEMORY,
104 JIT_PERMISSION_DISABLE_GOTPLT_RO_PROTECTION
105 };
106
107 std::vector<int32_t> permStateList;
108 auto result = Security::AccessToken::AccessTokenKit::VerifyAccessToken(accessTokenId, tmpPermissionList,
109 permStateList, true);
110 if (result != ERR_OK || permStateList.size() != tmpPermissionList.size()) {
111 return;
112 }
113 for (int i = 0; i < permStateList.size(); i++) {
114 if (permStateList[i] == Security::AccessToken::PERMISSION_GRANTED) {
115 jitPermissionsList.emplace_back(tmpPermissionList[i]);
116 }
117 }
118 }
119 } // namespace AppspawnUtil
120 } // namespace AppExecFwk
121 } // namespace OHOS
122
123 #endif // OHOS_ABILITY_RUNTIME_APPSPAWN_UTIL_H
124