1 /*
2  * Copyright (c) 2021 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 #ifndef UPDATE_PROCESSOR_H
16 #define UPDATE_PROCESSOR_H
17 
18 #include <cstdio>
19 #include <string>
20 #include <sys/wait.h>
21 #include <unistd.h>
22 #include "applypatch/data_writer.h"
23 #include "pkg_manager.h"
24 #include "script_instruction.h"
25 #include "script_manager.h"
26 
27 using Uscript::UScriptEnv;
28 using Uscript::UScriptInstructionFactory;
29 using Uscript::UScriptInstructionFactoryPtr;
30 using Uscript::UScriptInstructionPtr;
31 
32 namespace Updater {
33 enum EXIT_CODES {
34     EXIT_INVALID_ARGS = EXIT_SUCCESS + 1,
35     EXIT_READ_PACKAGE_ERROR = 2,
36     EXIT_FOUND_SCRIPT_ERROR = 3,
37     EXIT_PARSE_SCRIPT_ERROR = 4,
38     EXIT_EXEC_SCRIPT_ERROR = 5,
39     EXIT_VERIFY_SCRIPT_ERROR = 6,
40 };
41 
42 int ProcessUpdater(bool retry, int pipeFd, const std::string &packagePath, const std::string &keyPath);
43 void GetPartitionPathFromName(const std::string &partitionName, std::string &partitionPath);
44 
45 #ifdef __cplusplus
46 #if __cplusplus
47 extern "C" {
48 #endif
49 #endif /* __cplusplus */
50 int32_t GetFinalBinaryResult(int32_t result);
51 #ifdef __cplusplus
52 #if __cplusplus
53 }
54 #endif
55 #endif /* __cplusplus */
56 
57 class UpdaterInstructionFactory : public UScriptInstructionFactory {
58 public:
59     virtual int32_t CreateInstructionInstance(UScriptInstructionPtr& instr, const std::string& name);
UpdaterInstructionFactory()60     UpdaterInstructionFactory() {}
~UpdaterInstructionFactory()61     virtual ~UpdaterInstructionFactory() {}
62 };
63 
64 class UScriptInstructionRawImageWrite : public Uscript::UScriptInstruction {
65 public:
UScriptInstructionRawImageWrite()66     UScriptInstructionRawImageWrite() {}
~UScriptInstructionRawImageWrite()67     virtual ~UScriptInstructionRawImageWrite() {}
68     int32_t Execute(Uscript::UScriptEnv &env, Uscript::UScriptContext &context) override;
69 
70 private:
71     static int RawImageWriteProcessor(const Hpackage::PkgBuffer &buffer, size_t size, size_t start, bool isFinish,
72         const void* context);
73     int GetWritePathAndOffset(const std::string &partitionName, std::string &writePath, uint64_t &offset,
74         uint64_t &partitionSize);
75     bool WriteRawImage(const std::string &partitionName, const std::unique_ptr<DataWriter> &writer,
76         uint64_t partitionSize, Uscript::UScriptEnv &env);
77     static size_t totalSize_;
78     static size_t readSize_;
79 };
80 
81 class UScriptInstructionPkgExtract : public Uscript::UScriptInstruction {
82 public:
UScriptInstructionPkgExtract()83     UScriptInstructionPkgExtract() {}
~UScriptInstructionPkgExtract()84     virtual ~UScriptInstructionPkgExtract() {}
85     int32_t Execute(Uscript::UScriptEnv &env, Uscript::UScriptContext &context) override;
86 };
87 
88 class UScriptInstructionPkgExtractRetSuc : public UScriptInstructionPkgExtract {
89 public:
UScriptInstructionPkgExtractRetSuc()90     UScriptInstructionPkgExtractRetSuc() {}
~UScriptInstructionPkgExtractRetSuc()91     ~UScriptInstructionPkgExtractRetSuc() override {}
92     int32_t Execute(Uscript::UScriptEnv &env, Uscript::UScriptContext &context) override;
93 };
94 
95 class UScriptInstructionUpdateFromBin : public Uscript::UScriptInstruction {
96 public:
UScriptInstructionUpdateFromBin()97     UScriptInstructionUpdateFromBin() {}
~UScriptInstructionUpdateFromBin()98     virtual ~UScriptInstructionUpdateFromBin() {}
99     int32_t Execute(Uscript::UScriptEnv &env, Uscript::UScriptContext &context) override;
100     constexpr static uint32_t STASH_BUFFER_SIZE = 1024 * 1024 * 4;
101     constexpr static uint32_t BUFFER_NUM = 16;
102     static int UnCompressDataProducer(const Hpackage::PkgBuffer &buffer, size_t size, size_t start, bool isFinish,
103         const void* context);
104 private:
105     static size_t stashDataSize_;
106 };
107 } // Updater
108 #endif /* UPDATE_PROCESSOR_H */
109