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1 /*
2  * Copyright (c) 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 #ifndef SELINUX_PARAMETER_H
17 #define SELINUX_PARAMETER_H
18 
19 #pragma once
20 
21 #include <sys/socket.h>
22 
23 #ifdef __cplusplus
24 #if __cplusplus
25 extern "C" {
26 #endif
27 #endif
28 
29 typedef struct ParameterNode {
30     const char *paraName;
31     const char *paraContext;
32     int index;
33 } ParameterNode;
34 
35 typedef struct ParamContextsList {
36     struct ParameterNode info;
37     struct ParamContextsList *next;
38 } ParamContextsList;
39 
40 typedef struct SrcInfo {
41     int sockFd;
42     struct ucred uc;
43 } SrcInfo;
44 
45 /**
46  * @brief init param selinux
47  *
48  * @param isInit is init process
49  */
50 int InitParamSelinux(int isInit);
51 
52 /**
53  * @brief get param context list, for context-named files generate
54  * free with DestroyParamList
55  *
56  * @return head of param context list
57  */
58 ParamContextsList *GetParamList(void);
59 
60 /**
61  * @brief destroy param list get from GetParamList
62  *
63  * @param list the head of contexts list
64  */
65 void DestroyParamList(ParamContextsList **list);
66 
67 /**
68  * @brief for a particular paraName, get its context
69  *
70  * @param paraName the name of param
71  *
72  * @return context for given paraName
73  */
74 const char *GetParamLabel(const char *paraName);
75 /**
76  * @brief for a particular paraName, get its context index
77  *
78  * @param paraName the name of param
79  *
80  * @return context index for given paraName
81  */
82 int GetParamLabelIndex(const char *paraName);
83 
84 #ifdef __cplusplus
85 #if __cplusplus
86 }
87 #endif /* __cplusplus */
88 #endif /* __cplusplus */
89 
90 #endif // SELINUX_PARAMETER_H
91