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1 /*
2  * Copyright (c) 2024 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 
17 #ifndef PERMISSION_DATA_BRIEF_H
18 #define PERMISSION_DATA_BRIEF_H
19 
20 #include <list>
21 #include <memory>
22 #include <mutex>
23 #include <map>
24 #include <string>
25 #include <vector>
26 #include "access_token.h"
27 #include "permission_status.h"
28 #include "generic_values.h"
29 #include "hap_token_info.h"
30 
31 #include "rwlock.h"
32 
33 namespace OHOS {
34 namespace Security {
35 namespace AccessToken {
36 
37 typedef struct {
38     int8_t status;
39     uint8_t type; // KERNEL_EFFECT_FLAG = 0x1 << 0 HAS_VALUE_FLAG = 0x1 << 1
40     uint16_t permCode;
41     uint32_t flag;
42 } BriefPermData;
43 
44 typedef struct {
45     uint16_t permCode;
46     uint16_t reserved;
47     uint32_t tokenId;
48 } BriefSecCompData;
49 
50 class PermissionDataBrief final {
51 public:
52     static PermissionDataBrief& GetInstance();
53     virtual ~PermissionDataBrief() = default;
54 
55     int32_t DeleteBriefPermDataByTokenId(AccessTokenID tokenID);
56     int32_t AddBriefPermData(AccessTokenID tokenID, const std::string& permissionName, PermissionState grantStatus,
57         PermissionFlag grantFlag, const std::string& value);
58     int32_t GetBriefPermDataByTokenId(AccessTokenID tokenID, std::vector<BriefPermData>& data);
59     void ToString(std::string& info);
60     PermUsedTypeEnum GetPermissionUsedType(AccessTokenID tokenID, int32_t opCode);
61     bool IsPermissionGrantedWithSecComp(AccessTokenID tokenID, const std::string& permissionName);
62     int32_t VerifyPermissionStatus(AccessTokenID tokenID, const std::string& permission);
63     int32_t QueryPermissionFlag(AccessTokenID tokenID, const std::string& permissionName, uint32_t& flag);
64     void ClearAllSecCompGrantedPerm();
65     void GetGrantedPermByTokenId(AccessTokenID tokenID,
66         const std::vector<std::string>& constrainedList, std::vector<std::string>& permissionList);
67     void GetPermStatusListByTokenId(AccessTokenID tokenID,
68         const std::vector<uint32_t> constrainedList, std::vector<uint32_t>& opCodeList, std::vector<bool>& statusList);
69     int32_t RefreshPermStateToKernel(const std::vector<std::string>& constrainedList,
70         bool hapUserIsActive, AccessTokenID tokenId, std::map<std::string, bool>& refreshedPermList);
71     void AddPermToBriefPermission(
72             AccessTokenID tokenId, const std::vector<PermissionStatus>& permStateList, bool defCheck);
73     void AddPermToBriefPermission(
74             AccessTokenID tokenId, const std::vector<PermissionStatus>& permStateList,
75             const std::map<std::string, std::string>& aclExtendedMap, bool defCheck);
76     void Update(
77         AccessTokenID tokenId, const std::vector<PermissionStatus>& permStateList,
78         const std::map<std::string, std::string>& aclExtendedMap);
79     void RestorePermissionBriefData(AccessTokenID tokenId,
80         const std::vector<GenericValues>& permStateRes, const std::vector<GenericValues> extendedPermRes);
81     int32_t StorePermissionBriefData(AccessTokenID tokenId, std::vector<GenericValues>& permStateValueList);
82     int32_t UpdatePermissionStatus(AccessTokenID tokenId,
83         const std::string& permissionName, bool isGranted, uint32_t flag, bool& statusChanged);
84     int32_t ResetUserGrantPermissionStatus(AccessTokenID tokenID);
85     int32_t GetKernelPermissions(AccessTokenID tokenId, std::vector<PermissionWithValue>& kernelPermList);
86     int32_t GetReqPermissionByName(
87         AccessTokenID tokenId, const std::string& permissionName, std::string& value, bool tokenIdCheck);
88     void GetExtendedValueList(AccessTokenID tokenId, std::vector<PermissionWithValue>& extendedPermList);
89 private:
90     bool GetPermissionBriefData(AccessTokenID tokenID, const PermissionStatus &permState,
91         const std::map<std::string, std::string>& aclExtendedMap, BriefPermData& briefPermData);
92     bool GetPermissionStatus(const BriefPermData& briefPermData, PermissionStatus &permState);
93     void GetPermissionBriefDataList(AccessTokenID tokenID,
94         const std::vector<PermissionStatus>& permStateList,
95         const std::map<std::string, std::string>& aclExtendedMap,
96         std::vector<BriefPermData>& list);
97     void AddBriefPermDataByTokenId(AccessTokenID tokenID, const std::vector<BriefPermData>& listInput);
98     void UpdatePermStatus(const BriefPermData& permOld, BriefPermData& permNew);
99     uint32_t GetFlagWroteToDb(uint32_t grantFlag);
100     void MergePermBriefData(std::vector<BriefPermData>& permBriefDataList, BriefPermData& data);
101     bool isRestrictedPermission(uint32_t oldFlag, uint32_t newFlag);
102     int32_t UpdatePermStateList(AccessTokenID tokenId, uint32_t opCode, bool isGranted, uint32_t flag);
103     int32_t UpdateSecCompGrantedPermList(AccessTokenID tokenId, const std::string& permissionName, bool isToGrant);
104     int32_t VerifyPermissionStatus(AccessTokenID tokenID, uint32_t permCode);
105     void ClearAllSecCompGrantedPermById(AccessTokenID tokenID);
106     void SecCompGrantedPermListUpdated(AccessTokenID tokenID, const std::string& permissionName, bool isAdded);
107     int32_t GetBriefPermDataByTokenIdInner(AccessTokenID tokenID, std::vector<BriefPermData>& list);
108     int32_t TranslationIntoAclExtendedMap(AccessTokenID tokenId, const std::vector<GenericValues>& extendedPermRes,
109         std::map<std::string, std::string>& aclExtendedMap);
110     void GetExtendedValueListInner(AccessTokenID tokenId, std::vector<PermissionWithValue>& extendedPermList);
111     void DeleteExtendedValue(AccessTokenID tokenID);
112     PermissionDataBrief() = default;
113     DISALLOW_COPY_AND_MOVE(PermissionDataBrief);
114     OHOS::Utils::RWLock permissionStateDataLock_;
115     std::map<uint32_t, std::vector<BriefPermData>> requestedPermData_;
116     std::map<uint64_t, std::string> extendedValue_;
117     std::list<BriefSecCompData> secCompList_;
118 };
119 } // namespace AccessToken
120 } // namespace Security
121 } // namespace OHOS
122 #endif // PERMISSION_DATA_BRIEF_H
123