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1 /*
2  * Copyright (C) 2016 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 
18 #ifndef _INIT_DESCRIPTORS_H
19 #define _INIT_DESCRIPTORS_H
20 
21 #include <sys/types.h>
22 
23 #include <string>
24 
25 namespace android {
26 namespace init {
27 
28 class DescriptorInfo {
29  public:
30   DescriptorInfo(const std::string& name, const std::string& type, uid_t uid,
31                  gid_t gid, int perm, const std::string& context);
32   virtual ~DescriptorInfo();
33 
34   friend std::ostream& operator<<(std::ostream& os, const class DescriptorInfo& info);
35   bool operator==(const DescriptorInfo& other) const;
36 
37   void CreateAndPublish(const std::string& globalContext) const;
38   virtual void Clean() const;
39 
40  protected:
name()41   const std::string& name() const { return name_; }
type()42   const std::string& type() const { return type_; }
uid()43   uid_t uid() const { return uid_; }
gid()44   gid_t gid() const { return gid_; }
perm()45   int perm() const { return perm_; }
context()46   const std::string& context() const { return context_; }
47 
48  private:
49   std::string name_;
50   std::string type_;
51   uid_t uid_;
52   gid_t gid_;
53   int perm_;
54   std::string context_;
55 
56   virtual int Create(const std::string& globalContext) const = 0;
57   virtual const std::string key() const = 0;
58 };
59 
60 std::ostream& operator<<(std::ostream& os, const DescriptorInfo& info);
61 
62 class SocketInfo : public DescriptorInfo {
63  public:
64   SocketInfo(const std::string& name, const std::string& type, uid_t uid,
65              gid_t gid, int perm, const std::string& context);
66   void Clean() const override;
67  private:
68   virtual int Create(const std::string& context) const override;
69   virtual const std::string key() const override;
70 };
71 
72 class FileInfo : public DescriptorInfo {
73  public:
74   FileInfo(const std::string& name, const std::string& type, uid_t uid,
75            gid_t gid, int perm, const std::string& context);
76  private:
77   virtual int Create(const std::string& context) const override;
78   virtual const std::string key() const override;
79 };
80 
81 }  // namespace init
82 }  // namespace android
83 
84 #endif
85