1 /*
2  * Copyright (c) 2021-2022 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 #include "hap_policy_parcel.h"
17 #include "refbase.h"
18 #include "access_token.h"
19 #include "parcel_utils.h"
20 #include "permission_def.h"
21 #include "permission_def_parcel.h"
22 #include "permission_state_full.h"
23 #include "permission_state_full_parcel.h"
24 
25 namespace OHOS {
26 namespace Security {
27 namespace AccessToken {
Marshalling(Parcel & out) const28 bool HapPolicyParcel::Marshalling(Parcel& out) const
29 {
30     RETURN_IF_FALSE(out.WriteInt32(this->hapPolicyParameter.apl));
31     RETURN_IF_FALSE(out.WriteString(this->hapPolicyParameter.domain));
32 
33     const std::vector<PermissionDef>& permList = this->hapPolicyParameter.permList;
34     uint32_t permListSize = permList.size();
35     RETURN_IF_FALSE(out.WriteUint32(permListSize));
36 
37     for (uint32_t i = 0; i < permListSize; i++) {
38         PermissionDefParcel permDefParcel;
39         permDefParcel.permissionDef = permList[i];
40         out.WriteParcelable(&permDefParcel);
41     }
42 
43     const std::vector<PermissionStateFull>& permStateList = this->hapPolicyParameter.permStateList;
44     uint32_t permStateListSize = permStateList.size();
45     RETURN_IF_FALSE(out.WriteUint32(permStateListSize));
46 
47     for (uint32_t i = 0; i < permStateListSize; i++) {
48         PermissionStateFullParcel permStateParcel;
49         permStateParcel.permStatFull = permStateList[i];
50         out.WriteParcelable(&permStateParcel);
51     }
52 
53     const std::vector<std::string>& aclRequestedList = this->hapPolicyParameter.aclRequestedList;
54     uint32_t aclRequestedListSize = aclRequestedList.size();
55     RETURN_IF_FALSE(out.WriteUint32(aclRequestedListSize));
56 
57     for (uint32_t i = 0; i < aclRequestedListSize; i++) {
58         RETURN_IF_FALSE(out.WriteString(aclRequestedList[i]));
59     }
60 
61     const std::vector<PreAuthorizationInfo>& info = this->hapPolicyParameter.preAuthorizationInfo;
62     uint32_t infoSize = info.size();
63     RETURN_IF_FALSE(out.WriteUint32(infoSize));
64 
65     for (uint32_t i = 0; i < infoSize; i++) {
66         RETURN_IF_FALSE(out.WriteString(info[i].permissionName));
67         RETURN_IF_FALSE(out.WriteBool(info[i].userCancelable));
68     }
69     return true;
70 }
71 
Unmarshalling(Parcel & in)72 HapPolicyParcel* HapPolicyParcel::Unmarshalling(Parcel& in)
73 {
74     auto* hapPolicyParcel = new (std::nothrow) HapPolicyParcel();
75     if (hapPolicyParcel == nullptr) {
76         return nullptr;
77     }
78 
79     int32_t apl;
80     RELEASE_IF_FALSE(in.ReadInt32(apl), hapPolicyParcel);
81     hapPolicyParcel->hapPolicyParameter.apl = ATokenAplEnum(apl);
82 
83     hapPolicyParcel->hapPolicyParameter.domain = in.ReadString();
84 
85     uint32_t permListSize;
86     RELEASE_IF_FALSE(in.ReadUint32(permListSize), hapPolicyParcel);
87     RELEASE_IF_FALSE((permListSize <= MAX_PERMLIST_SIZE), hapPolicyParcel);
88 
89     for (uint32_t i = 0; i < permListSize; i++) {
90         sptr<PermissionDefParcel> permDefParcel = in.ReadParcelable<PermissionDefParcel>();
91         RELEASE_IF_FALSE(permDefParcel != nullptr, hapPolicyParcel);
92         hapPolicyParcel->hapPolicyParameter.permList.emplace_back(permDefParcel->permissionDef);
93     }
94 
95     uint32_t permStateListSize;
96     RELEASE_IF_FALSE(in.ReadUint32(permStateListSize), hapPolicyParcel);
97     RELEASE_IF_FALSE((permStateListSize <= MAX_PERMLIST_SIZE), hapPolicyParcel);
98     for (uint32_t i = 0; i < permStateListSize; i++) {
99         sptr<PermissionStateFullParcel> permissionStateParcel = in.ReadParcelable<PermissionStateFullParcel>();
100         RELEASE_IF_FALSE(permissionStateParcel != nullptr, hapPolicyParcel);
101         hapPolicyParcel->hapPolicyParameter.permStateList.emplace_back(permissionStateParcel->permStatFull);
102     }
103     uint32_t aclRequestedListSize;
104     RELEASE_IF_FALSE(in.ReadUint32(aclRequestedListSize), hapPolicyParcel);
105     RELEASE_IF_FALSE((aclRequestedListSize <= MAX_PERMLIST_SIZE), hapPolicyParcel);
106     for (uint32_t i = 0; i < aclRequestedListSize; i++) {
107         std::string acl;
108         RELEASE_IF_FALSE(in.ReadString(acl), hapPolicyParcel);
109         hapPolicyParcel->hapPolicyParameter.aclRequestedList.emplace_back(acl);
110     }
111     uint32_t infoSize;
112     RELEASE_IF_FALSE(in.ReadUint32(infoSize), hapPolicyParcel);
113     RELEASE_IF_FALSE((infoSize <= MAX_PERMLIST_SIZE), hapPolicyParcel);
114     for (uint32_t i = 0; i < infoSize; i++) {
115         PreAuthorizationInfo info;
116         RELEASE_IF_FALSE(in.ReadString(info.permissionName), hapPolicyParcel);
117         RELEASE_IF_FALSE(in.ReadBool(info.userCancelable), hapPolicyParcel);
118         hapPolicyParcel->hapPolicyParameter.preAuthorizationInfo.emplace_back(info);
119     }
120     return hapPolicyParcel;
121 }
122 } // namespace AccessToken
123 } // namespace Security
124 } // namespace OHOS
125