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 #include "openuncompressedarchive_fuzzer.h"
17 #include "libpandafile/file.h"
18 #include "libziparchive/zip_archive.h"
19
20 namespace OHOS {
CloseAndRemoveZipFile(panda::ZipArchiveHandle &handle, FILE *fp, const char *filename)21 void CloseAndRemoveZipFile(panda::ZipArchiveHandle &handle, FILE *fp, const char *filename)
22 {
23 panda::CloseArchiveFile(handle);
24 (void)fclose(fp);
25 (void)remove(filename);
26 }
27
OpenUncompressedArchiveFuzzTest(const uint8_t *data, size_t size)28 void OpenUncompressedArchiveFuzzTest(const uint8_t *data, size_t size)
29 {
30 // Create zip file
31 const char *zip_filename = "__OpenUncompressedArchiveFuzzTest.zip";
32 const char *filename = panda::panda_file::ARCHIVE_FILENAME;
33 int ret = panda::CreateOrAddFileIntoZip(zip_filename, filename, data, size, APPEND_STATUS_CREATE, Z_NO_COMPRESSION);
34 if (ret != 0) {
35 (void)remove(zip_filename);
36 return;
37 }
38
39 // Acquire entry
40 #ifdef PANDA_TARGET_WINDOWS
41 constexpr char const *mode = "rb";
42 #else
43 constexpr char const *mode = "rbe";
44 #endif
45 FILE *fp = fopen(zip_filename, mode);
46 if (fp == nullptr) {
47 (void)remove(zip_filename);
48 return;
49 }
50 panda::ZipArchiveHandle zipfile = nullptr;
51 if (panda::OpenArchiveFile(zipfile, fp) != panda::ZIPARCHIVE_OK) {
52 (void)fclose(fp);
53 (void)remove(zip_filename);
54 return;
55 }
56 if (panda::LocateFile(zipfile, filename) != panda::ZIPARCHIVE_OK) {
57 CloseAndRemoveZipFile(zipfile, fp, zip_filename);
58 return;
59 }
60 panda::EntryFileStat entry;
61 if (panda::GetCurrentFileInfo(zipfile, &entry) != panda::ZIPARCHIVE_OK) {
62 CloseAndRemoveZipFile(zipfile, fp, zip_filename);
63 return;
64 }
65 if (panda::OpenCurrentFile(zipfile) != panda::ZIPARCHIVE_OK) {
66 panda::CloseCurrentFile(zipfile);
67 CloseAndRemoveZipFile(zipfile, fp, zip_filename);
68 return;
69 }
70 panda::GetCurrentFileOffset(zipfile, &entry);
71 // Call OpenUncompressedArchive
72 {
73 panda::panda_file::File::OpenUncompressedArchive(fileno(fp), zip_filename, entry.GetUncompressedSize(),
74 entry.GetOffset());
75 }
76 panda::CloseCurrentFile(zipfile);
77 CloseAndRemoveZipFile(zipfile, fp, zip_filename);
78 }
79 } // namespace OHOS
80
81 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)82 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
83 {
84 /* Run your code on data */
85 OHOS::OpenUncompressedArchiveFuzzTest(data, size);
86 return 0;
87 }
88