| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "zip_archive_private.h" |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <getopt.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include <memory> |
| #include <vector> |
| |
| #include <android-base/file.h> |
| #include <android-base/test_utils.h> |
| #include <android-base/unique_fd.h> |
| #include <gtest/gtest.h> |
| #include <utils/FileMap.h> |
| #include <ziparchive/zip_archive.h> |
| #include <ziparchive/zip_archive_stream_entry.h> |
| |
| static std::string test_data_dir; |
| |
| static const std::string kMissingZip = "missing.zip"; |
| static const std::string kValidZip = "valid.zip"; |
| static const std::string kLargeZip = "large.zip"; |
| static const std::string kBadCrcZip = "bad_crc.zip"; |
| static const std::string kCrashApk = "crash.apk"; |
| static const std::string kBadFilenameZip = "bad_filename.zip"; |
| static const std::string kUpdateZip = "dummy-update.zip"; |
| |
| static const std::vector<uint8_t> kATxtContents{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'a', |
| 'b', 'c', 'd', 'e', 'f', 'g', 'h', '\n'}; |
| |
| static const std::vector<uint8_t> kATxtContentsCompressed{'K', 'L', 'J', 'N', 'I', 'M', 'K', |
| 207, 'H', 132, 210, '\\', '\0'}; |
| |
| static const std::vector<uint8_t> kBTxtContents{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', '\n'}; |
| |
| static const std::string kATxtName("a.txt"); |
| static const std::string kBTxtName("b.txt"); |
| static const std::string kNonexistentTxtName("nonexistent.txt"); |
| static const std::string kEmptyTxtName("empty.txt"); |
| static const std::string kLargeCompressTxtName("compress.txt"); |
| static const std::string kLargeUncompressTxtName("uncompress.txt"); |
| |
| static int32_t OpenArchiveWrapper(const std::string& name, ZipArchiveHandle* handle) { |
| const std::string abs_path = test_data_dir + "/" + name; |
| return OpenArchive(abs_path.c_str(), handle); |
| } |
| |
| static void AssertNameEquals(const std::string& name_str, const ZipString& name) { |
| ASSERT_EQ(name_str.size(), name.name_length); |
| ASSERT_EQ(0, memcmp(name_str.c_str(), name.name, name.name_length)); |
| } |
| |
| static void SetZipString(ZipString* zip_str, const std::string& str) { |
| zip_str->name = reinterpret_cast<const uint8_t*>(str.c_str()); |
| zip_str->name_length = str.size(); |
| } |
| |
| TEST(ziparchive, Open) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle)); |
| CloseArchive(handle); |
| |
| ASSERT_EQ(-1, OpenArchiveWrapper(kBadFilenameZip, &handle)); |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, OutOfBound) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(-8, OpenArchiveWrapper(kCrashApk, &handle)); |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, OpenMissing) { |
| ZipArchiveHandle handle; |
| ASSERT_NE(0, OpenArchiveWrapper(kMissingZip, &handle)); |
| |
| // Confirm the file descriptor is not going to be mistaken for a valid one. |
| ASSERT_EQ(-1, GetFileDescriptor(handle)); |
| } |
| |
| TEST(ziparchive, OpenAssumeFdOwnership) { |
| int fd = open((test_data_dir + "/" + kValidZip).c_str(), O_RDONLY | O_BINARY); |
| ASSERT_NE(-1, fd); |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveFd(fd, "OpenWithAssumeFdOwnership", &handle)); |
| CloseArchive(handle); |
| ASSERT_EQ(-1, lseek(fd, 0, SEEK_SET)); |
| ASSERT_EQ(EBADF, errno); |
| } |
| |
| TEST(ziparchive, OpenDoNotAssumeFdOwnership) { |
| int fd = open((test_data_dir + "/" + kValidZip).c_str(), O_RDONLY | O_BINARY); |
| ASSERT_NE(-1, fd); |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveFd(fd, "OpenWithAssumeFdOwnership", &handle, false)); |
| CloseArchive(handle); |
| ASSERT_EQ(0, lseek(fd, 0, SEEK_SET)); |
| close(fd); |
| } |
| |
| TEST(ziparchive, Iteration) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle)); |
| |
| void* iteration_cookie; |
| ASSERT_EQ(0, StartIteration(handle, &iteration_cookie, nullptr, nullptr)); |
| |
| ZipEntry data; |
| ZipString name; |
| |
| // b/c.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/c.txt", name); |
| |
| // b/d.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/d.txt", name); |
| |
| // a.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("a.txt", name); |
| |
| // b.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b.txt", name); |
| |
| // b/ |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/", name); |
| |
| // End of iteration. |
| ASSERT_EQ(-1, Next(iteration_cookie, &data, &name)); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, IterationWithPrefix) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle)); |
| |
| void* iteration_cookie; |
| ZipString prefix("b/"); |
| ASSERT_EQ(0, StartIteration(handle, &iteration_cookie, &prefix, nullptr)); |
| |
| ZipEntry data; |
| ZipString name; |
| |
| // b/c.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/c.txt", name); |
| |
| // b/d.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/d.txt", name); |
| |
| // b/ |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/", name); |
| |
| // End of iteration. |
| ASSERT_EQ(-1, Next(iteration_cookie, &data, &name)); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, IterationWithSuffix) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle)); |
| |
| void* iteration_cookie; |
| ZipString suffix(".txt"); |
| ASSERT_EQ(0, StartIteration(handle, &iteration_cookie, nullptr, &suffix)); |
| |
| ZipEntry data; |
| ZipString name; |
| |
| // b/c.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/c.txt", name); |
| |
| // b/d.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/d.txt", name); |
| |
| // a.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("a.txt", name); |
| |
| // b.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b.txt", name); |
| |
| // End of iteration. |
| ASSERT_EQ(-1, Next(iteration_cookie, &data, &name)); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, IterationWithPrefixAndSuffix) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle)); |
| |
| void* iteration_cookie; |
| ZipString prefix("b"); |
| ZipString suffix(".txt"); |
| ASSERT_EQ(0, StartIteration(handle, &iteration_cookie, &prefix, &suffix)); |
| |
| ZipEntry data; |
| ZipString name; |
| |
| // b/c.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/c.txt", name); |
| |
| // b/d.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b/d.txt", name); |
| |
| // b.txt |
| ASSERT_EQ(0, Next(iteration_cookie, &data, &name)); |
| AssertNameEquals("b.txt", name); |
| |
| // End of iteration. |
| ASSERT_EQ(-1, Next(iteration_cookie, &data, &name)); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, IterationWithBadPrefixAndSuffix) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle)); |
| |
| void* iteration_cookie; |
| ZipString prefix("x"); |
| ZipString suffix("y"); |
| ASSERT_EQ(0, StartIteration(handle, &iteration_cookie, &prefix, &suffix)); |
| |
| ZipEntry data; |
| ZipString name; |
| |
| // End of iteration. |
| ASSERT_EQ(-1, Next(iteration_cookie, &data, &name)); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, FindEntry) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle)); |
| |
| ZipEntry data; |
| ZipString name; |
| SetZipString(&name, kATxtName); |
| ASSERT_EQ(0, FindEntry(handle, name, &data)); |
| |
| // Known facts about a.txt, from zipinfo -v. |
| ASSERT_EQ(63, data.offset); |
| ASSERT_EQ(kCompressDeflated, data.method); |
| ASSERT_EQ(static_cast<uint32_t>(17), data.uncompressed_length); |
| ASSERT_EQ(static_cast<uint32_t>(13), data.compressed_length); |
| ASSERT_EQ(0x950821c5, data.crc32); |
| ASSERT_EQ(static_cast<uint32_t>(0x438a8005), data.mod_time); |
| |
| // An entry that doesn't exist. Should be a negative return code. |
| ZipString absent_name; |
| SetZipString(&absent_name, kNonexistentTxtName); |
| ASSERT_LT(FindEntry(handle, absent_name, &data), 0); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, TestInvalidDeclaredLength) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper("declaredlength.zip", &handle)); |
| |
| void* iteration_cookie; |
| ASSERT_EQ(0, StartIteration(handle, &iteration_cookie, nullptr, nullptr)); |
| |
| ZipString name; |
| ZipEntry data; |
| |
| ASSERT_EQ(Next(iteration_cookie, &data, &name), 0); |
| ASSERT_EQ(Next(iteration_cookie, &data, &name), 0); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, ExtractToMemory) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle)); |
| |
| // An entry that's deflated. |
| ZipEntry data; |
| ZipString a_name; |
| SetZipString(&a_name, kATxtName); |
| ASSERT_EQ(0, FindEntry(handle, a_name, &data)); |
| const uint32_t a_size = data.uncompressed_length; |
| ASSERT_EQ(a_size, kATxtContents.size()); |
| uint8_t* buffer = new uint8_t[a_size]; |
| ASSERT_EQ(0, ExtractToMemory(handle, &data, buffer, a_size)); |
| ASSERT_EQ(0, memcmp(buffer, kATxtContents.data(), a_size)); |
| delete[] buffer; |
| |
| // An entry that's stored. |
| ZipString b_name; |
| SetZipString(&b_name, kBTxtName); |
| ASSERT_EQ(0, FindEntry(handle, b_name, &data)); |
| const uint32_t b_size = data.uncompressed_length; |
| ASSERT_EQ(b_size, kBTxtContents.size()); |
| buffer = new uint8_t[b_size]; |
| ASSERT_EQ(0, ExtractToMemory(handle, &data, buffer, b_size)); |
| ASSERT_EQ(0, memcmp(buffer, kBTxtContents.data(), b_size)); |
| delete[] buffer; |
| |
| CloseArchive(handle); |
| } |
| |
| static const uint32_t kEmptyEntriesZip[] = { |
| 0x04034b50, 0x0000000a, 0x63600000, 0x00004438, 0x00000000, 0x00000000, 0x00090000, |
| 0x6d65001c, 0x2e797470, 0x55747874, 0x03000954, 0x52e25c13, 0x52e25c24, 0x000b7875, |
| 0x42890401, 0x88040000, 0x50000013, 0x1e02014b, 0x00000a03, 0x60000000, 0x00443863, |
| 0x00000000, 0x00000000, 0x09000000, 0x00001800, 0x00000000, 0xa0000000, 0x00000081, |
| 0x706d6500, 0x742e7974, 0x54557478, 0x13030005, 0x7552e25c, 0x01000b78, 0x00428904, |
| 0x13880400, 0x4b500000, 0x00000605, 0x00010000, 0x004f0001, 0x00430000, 0x00000000}; |
| |
| // This is a zip file containing a single entry (ab.txt) that contains |
| // 90072 repetitions of the string "ab\n" and has an uncompressed length |
| // of 270216 bytes. |
| static const uint16_t kAbZip[] = { |
| 0x4b50, 0x0403, 0x0014, 0x0000, 0x0008, 0x51d2, 0x4698, 0xc4b0, 0x2cda, 0x011b, 0x0000, 0x1f88, |
| 0x0004, 0x0006, 0x001c, 0x6261, 0x742e, 0x7478, 0x5455, 0x0009, 0x7c03, 0x3a09, 0x7c55, 0x3a09, |
| 0x7555, 0x0b78, 0x0100, 0x8904, 0x0042, 0x0400, 0x1388, 0x0000, 0xc2ed, 0x0d31, 0x0000, 0x030c, |
| 0x7fa0, 0x3b2e, 0x22ff, 0xa2aa, 0x841f, 0x45fc, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, 0x5555, |
| 0x5555, 0x5555, 0x5555, 0x5555, 0xdd55, 0x502c, 0x014b, 0x1e02, 0x1403, 0x0000, 0x0800, 0xd200, |
| 0x9851, 0xb046, 0xdac4, 0x1b2c, 0x0001, 0x8800, 0x041f, 0x0600, 0x1800, 0x0000, 0x0000, 0x0100, |
| 0x0000, 0xa000, 0x0081, 0x0000, 0x6100, 0x2e62, 0x7874, 0x5574, 0x0554, 0x0300, 0x097c, 0x553a, |
| 0x7875, 0x000b, 0x0401, 0x4289, 0x0000, 0x8804, 0x0013, 0x5000, 0x054b, 0x0006, 0x0000, 0x0100, |
| 0x0100, 0x4c00, 0x0000, 0x5b00, 0x0001, 0x0000, 0x0000}; |
| |
| static const std::string kAbTxtName("ab.txt"); |
| static const size_t kAbUncompressedSize = 270216; |
| |
| TEST(ziparchive, EmptyEntries) { |
| TemporaryFile tmp_file; |
| ASSERT_NE(-1, tmp_file.fd); |
| ASSERT_TRUE(android::base::WriteFully(tmp_file.fd, kEmptyEntriesZip, sizeof(kEmptyEntriesZip))); |
| |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveFd(tmp_file.fd, "EmptyEntriesTest", &handle)); |
| |
| ZipEntry entry; |
| ZipString empty_name; |
| SetZipString(&empty_name, kEmptyTxtName); |
| ASSERT_EQ(0, FindEntry(handle, empty_name, &entry)); |
| ASSERT_EQ(static_cast<uint32_t>(0), entry.uncompressed_length); |
| uint8_t buffer[1]; |
| ASSERT_EQ(0, ExtractToMemory(handle, &entry, buffer, 1)); |
| |
| TemporaryFile tmp_output_file; |
| ASSERT_NE(-1, tmp_output_file.fd); |
| ASSERT_EQ(0, ExtractEntryToFile(handle, &entry, tmp_output_file.fd)); |
| |
| struct stat stat_buf; |
| ASSERT_EQ(0, fstat(tmp_output_file.fd, &stat_buf)); |
| ASSERT_EQ(0, stat_buf.st_size); |
| } |
| |
| TEST(ziparchive, EntryLargerThan32K) { |
| TemporaryFile tmp_file; |
| ASSERT_NE(-1, tmp_file.fd); |
| ASSERT_TRUE(android::base::WriteFully(tmp_file.fd, reinterpret_cast<const uint8_t*>(kAbZip), |
| sizeof(kAbZip) - 1)); |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveFd(tmp_file.fd, "EntryLargerThan32KTest", &handle)); |
| |
| ZipEntry entry; |
| ZipString ab_name; |
| SetZipString(&ab_name, kAbTxtName); |
| ASSERT_EQ(0, FindEntry(handle, ab_name, &entry)); |
| ASSERT_EQ(kAbUncompressedSize, entry.uncompressed_length); |
| |
| // Extract the entry to memory. |
| std::vector<uint8_t> buffer(kAbUncompressedSize); |
| ASSERT_EQ(0, ExtractToMemory(handle, &entry, &buffer[0], buffer.size())); |
| |
| // Extract the entry to a file. |
| TemporaryFile tmp_output_file; |
| ASSERT_NE(-1, tmp_output_file.fd); |
| ASSERT_EQ(0, ExtractEntryToFile(handle, &entry, tmp_output_file.fd)); |
| |
| // Make sure the extracted file size is as expected. |
| struct stat stat_buf; |
| ASSERT_EQ(0, fstat(tmp_output_file.fd, &stat_buf)); |
| ASSERT_EQ(kAbUncompressedSize, static_cast<size_t>(stat_buf.st_size)); |
| |
| // Read the file back to a buffer and make sure the contents are |
| // the same as the memory buffer we extracted directly to. |
| std::vector<uint8_t> file_contents(kAbUncompressedSize); |
| ASSERT_EQ(0, lseek64(tmp_output_file.fd, 0, SEEK_SET)); |
| ASSERT_TRUE(android::base::ReadFully(tmp_output_file.fd, &file_contents[0], file_contents.size())); |
| ASSERT_EQ(file_contents, buffer); |
| |
| for (int i = 0; i < 90072; ++i) { |
| const uint8_t* line = &file_contents[0] + (3 * i); |
| ASSERT_EQ('a', line[0]); |
| ASSERT_EQ('b', line[1]); |
| ASSERT_EQ('\n', line[2]); |
| } |
| } |
| |
| TEST(ziparchive, TrailerAfterEOCD) { |
| TemporaryFile tmp_file; |
| ASSERT_NE(-1, tmp_file.fd); |
| |
| // Create a file with 8 bytes of random garbage. |
| static const uint8_t trailer[] = {'A', 'n', 'd', 'r', 'o', 'i', 'd', 'z'}; |
| ASSERT_TRUE(android::base::WriteFully(tmp_file.fd, kEmptyEntriesZip, sizeof(kEmptyEntriesZip))); |
| ASSERT_TRUE(android::base::WriteFully(tmp_file.fd, trailer, sizeof(trailer))); |
| |
| ZipArchiveHandle handle; |
| ASSERT_GT(0, OpenArchiveFd(tmp_file.fd, "EmptyEntriesTest", &handle)); |
| } |
| |
| TEST(ziparchive, ExtractToFile) { |
| TemporaryFile tmp_file; |
| ASSERT_NE(-1, tmp_file.fd); |
| const uint8_t data[8] = {'1', '2', '3', '4', '5', '6', '7', '8'}; |
| const size_t data_size = sizeof(data); |
| |
| ASSERT_TRUE(android::base::WriteFully(tmp_file.fd, data, data_size)); |
| |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle)); |
| |
| ZipEntry entry; |
| ZipString name; |
| SetZipString(&name, kATxtName); |
| ASSERT_EQ(0, FindEntry(handle, name, &entry)); |
| ASSERT_EQ(0, ExtractEntryToFile(handle, &entry, tmp_file.fd)); |
| |
| // Assert that the first 8 bytes of the file haven't been clobbered. |
| uint8_t read_buffer[data_size]; |
| ASSERT_EQ(0, lseek64(tmp_file.fd, 0, SEEK_SET)); |
| ASSERT_TRUE(android::base::ReadFully(tmp_file.fd, read_buffer, data_size)); |
| ASSERT_EQ(0, memcmp(read_buffer, data, data_size)); |
| |
| // Assert that the remainder of the file contains the incompressed data. |
| std::vector<uint8_t> uncompressed_data(entry.uncompressed_length); |
| ASSERT_TRUE( |
| android::base::ReadFully(tmp_file.fd, uncompressed_data.data(), entry.uncompressed_length)); |
| ASSERT_EQ(0, memcmp(&uncompressed_data[0], kATxtContents.data(), kATxtContents.size())); |
| |
| // Assert that the total length of the file is sane |
| ASSERT_EQ(static_cast<ssize_t>(data_size + kATxtContents.size()), |
| lseek64(tmp_file.fd, 0, SEEK_END)); |
| } |
| |
| #if !defined(_WIN32) |
| TEST(ziparchive, OpenFromMemory) { |
| const std::string zip_path = test_data_dir + "/" + kUpdateZip; |
| android::base::unique_fd fd(open(zip_path.c_str(), O_RDONLY | O_BINARY)); |
| ASSERT_NE(-1, fd); |
| struct stat sb; |
| ASSERT_EQ(0, fstat(fd, &sb)); |
| |
| // Memory map the file first and open the archive from the memory region. |
| android::FileMap file_map; |
| file_map.create(zip_path.c_str(), fd, 0 /*offset*/, sb.st_size, true); |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveFromMemory(file_map.getDataPtr(), file_map.getDataLength(), |
| zip_path.c_str(), &handle)); |
| |
| // Assert one entry can be found and extracted correctly. |
| std::string BINARY_PATH("META-INF/com/google/android/update-binary"); |
| ZipString binary_path(BINARY_PATH.c_str()); |
| ZipEntry binary_entry; |
| ASSERT_EQ(0, FindEntry(handle, binary_path, &binary_entry)); |
| TemporaryFile tmp_binary; |
| ASSERT_NE(-1, tmp_binary.fd); |
| ASSERT_EQ(0, ExtractEntryToFile(handle, &binary_entry, tmp_binary.fd)); |
| } |
| #endif |
| |
| static void ZipArchiveStreamTest(ZipArchiveHandle& handle, const std::string& entry_name, bool raw, |
| bool verified, ZipEntry* entry, std::vector<uint8_t>* read_data) { |
| ZipString name; |
| SetZipString(&name, entry_name); |
| ASSERT_EQ(0, FindEntry(handle, name, entry)); |
| std::unique_ptr<ZipArchiveStreamEntry> stream; |
| if (raw) { |
| stream.reset(ZipArchiveStreamEntry::CreateRaw(handle, *entry)); |
| if (entry->method == kCompressStored) { |
| read_data->resize(entry->uncompressed_length); |
| } else { |
| read_data->resize(entry->compressed_length); |
| } |
| } else { |
| stream.reset(ZipArchiveStreamEntry::Create(handle, *entry)); |
| read_data->resize(entry->uncompressed_length); |
| } |
| uint8_t* read_data_ptr = read_data->data(); |
| ASSERT_TRUE(stream.get() != nullptr); |
| const std::vector<uint8_t>* data; |
| uint64_t total_size = 0; |
| while ((data = stream->Read()) != nullptr) { |
| total_size += data->size(); |
| memcpy(read_data_ptr, data->data(), data->size()); |
| read_data_ptr += data->size(); |
| } |
| ASSERT_EQ(verified, stream->Verify()); |
| ASSERT_EQ(total_size, read_data->size()); |
| } |
| |
| static void ZipArchiveStreamTestUsingContents(const std::string& zip_file, |
| const std::string& entry_name, |
| const std::vector<uint8_t>& contents, bool raw) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(zip_file, &handle)); |
| |
| ZipEntry entry; |
| std::vector<uint8_t> read_data; |
| ZipArchiveStreamTest(handle, entry_name, raw, true, &entry, &read_data); |
| |
| ASSERT_EQ(contents.size(), read_data.size()); |
| ASSERT_TRUE(memcmp(read_data.data(), contents.data(), read_data.size()) == 0); |
| |
| CloseArchive(handle); |
| } |
| |
| static void ZipArchiveStreamTestUsingMemory(const std::string& zip_file, |
| const std::string& entry_name) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(zip_file, &handle)); |
| |
| ZipEntry entry; |
| std::vector<uint8_t> read_data; |
| ZipArchiveStreamTest(handle, entry_name, false, true, &entry, &read_data); |
| |
| std::vector<uint8_t> cmp_data(entry.uncompressed_length); |
| ASSERT_EQ(entry.uncompressed_length, read_data.size()); |
| ASSERT_EQ(0, ExtractToMemory(handle, &entry, cmp_data.data(), cmp_data.size())); |
| ASSERT_TRUE(memcmp(read_data.data(), cmp_data.data(), read_data.size()) == 0); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, StreamCompressed) { |
| ZipArchiveStreamTestUsingContents(kValidZip, kATxtName, kATxtContents, false); |
| } |
| |
| TEST(ziparchive, StreamUncompressed) { |
| ZipArchiveStreamTestUsingContents(kValidZip, kBTxtName, kBTxtContents, false); |
| } |
| |
| TEST(ziparchive, StreamRawCompressed) { |
| ZipArchiveStreamTestUsingContents(kValidZip, kATxtName, kATxtContentsCompressed, true); |
| } |
| |
| TEST(ziparchive, StreamRawUncompressed) { |
| ZipArchiveStreamTestUsingContents(kValidZip, kBTxtName, kBTxtContents, true); |
| } |
| |
| TEST(ziparchive, StreamLargeCompressed) { |
| ZipArchiveStreamTestUsingMemory(kLargeZip, kLargeCompressTxtName); |
| } |
| |
| TEST(ziparchive, StreamLargeUncompressed) { |
| ZipArchiveStreamTestUsingMemory(kLargeZip, kLargeUncompressTxtName); |
| } |
| |
| TEST(ziparchive, StreamCompressedBadCrc) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kBadCrcZip, &handle)); |
| |
| ZipEntry entry; |
| std::vector<uint8_t> read_data; |
| ZipArchiveStreamTest(handle, kATxtName, false, false, &entry, &read_data); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, StreamUncompressedBadCrc) { |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveWrapper(kBadCrcZip, &handle)); |
| |
| ZipEntry entry; |
| std::vector<uint8_t> read_data; |
| ZipArchiveStreamTest(handle, kBTxtName, false, false, &entry, &read_data); |
| |
| CloseArchive(handle); |
| } |
| |
| // Generated using the following Java program: |
| // public static void main(String[] foo) throws Exception { |
| // FileOutputStream fos = new |
| // FileOutputStream("/tmp/data_descriptor.zip"); |
| // ZipOutputStream zos = new ZipOutputStream(fos); |
| // ZipEntry ze = new ZipEntry("name"); |
| // ze.setMethod(ZipEntry.DEFLATED); |
| // zos.putNextEntry(ze); |
| // zos.write("abdcdefghijk".getBytes()); |
| // zos.closeEntry(); |
| // zos.close(); |
| // } |
| // |
| // cat /tmp/data_descriptor.zip | xxd -i |
| // |
| static const std::vector<uint8_t> kDataDescriptorZipFile{ |
| 0x50, 0x4b, 0x03, 0x04, 0x14, 0x00, 0x08, 0x08, 0x08, 0x00, 0x30, 0x59, 0xce, 0x4a, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x6e, 0x61, |
| 0x6d, 0x65, 0x4b, 0x4c, 0x4a, 0x49, 0x4e, 0x49, 0x4d, 0x4b, 0xcf, 0xc8, 0xcc, 0xca, 0x06, 0x00, |
| //[sig---------------], [crc32---------------], [csize---------------], [size----------------] |
| 0x50, 0x4b, 0x07, 0x08, 0x3d, 0x4e, 0x0e, 0xf9, 0x0e, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, |
| 0x50, 0x4b, 0x01, 0x02, 0x14, 0x00, 0x14, 0x00, 0x08, 0x08, 0x08, 0x00, 0x30, 0x59, 0xce, 0x4a, |
| 0x3d, 0x4e, 0x0e, 0xf9, 0x0e, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6e, 0x61, |
| 0x6d, 0x65, 0x50, 0x4b, 0x05, 0x06, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x32, 0x00, |
| 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| |
| // The offsets of the data descriptor in this file, so we can mess with |
| // them later in the test. |
| static constexpr uint32_t kDataDescriptorOffset = 48; |
| static constexpr uint32_t kCSizeOffset = kDataDescriptorOffset + 8; |
| static constexpr uint32_t kSizeOffset = kCSizeOffset + 4; |
| |
| static void ExtractEntryToMemory(const std::vector<uint8_t>& zip_data, |
| std::vector<uint8_t>* entry_out, int32_t* error_code_out) { |
| TemporaryFile tmp_file; |
| ASSERT_NE(-1, tmp_file.fd); |
| ASSERT_TRUE(android::base::WriteFully(tmp_file.fd, &zip_data[0], zip_data.size())); |
| ZipArchiveHandle handle; |
| ASSERT_EQ(0, OpenArchiveFd(tmp_file.fd, "ExtractEntryToMemory", &handle)); |
| |
| // This function expects a variant of kDataDescriptorZipFile, for look for |
| // an entry whose name is "name" and whose size is 12 (contents = |
| // "abdcdefghijk"). |
| ZipEntry entry; |
| ZipString empty_name; |
| SetZipString(&empty_name, "name"); |
| |
| ASSERT_EQ(0, FindEntry(handle, empty_name, &entry)); |
| ASSERT_EQ(static_cast<uint32_t>(12), entry.uncompressed_length); |
| |
| entry_out->resize(12); |
| (*error_code_out) = ExtractToMemory(handle, &entry, &((*entry_out)[0]), 12); |
| |
| CloseArchive(handle); |
| } |
| |
| TEST(ziparchive, ValidDataDescriptors) { |
| std::vector<uint8_t> entry; |
| int32_t error_code = 0; |
| ExtractEntryToMemory(kDataDescriptorZipFile, &entry, &error_code); |
| |
| ASSERT_EQ(0, error_code); |
| ASSERT_EQ(12u, entry.size()); |
| ASSERT_EQ('a', entry[0]); |
| ASSERT_EQ('k', entry[11]); |
| } |
| |
| TEST(ziparchive, InvalidDataDescriptors) { |
| std::vector<uint8_t> invalid_csize = kDataDescriptorZipFile; |
| invalid_csize[kCSizeOffset] = 0xfe; |
| |
| std::vector<uint8_t> entry; |
| int32_t error_code = 0; |
| ExtractEntryToMemory(invalid_csize, &entry, &error_code); |
| |
| ASSERT_EQ(kInconsistentInformation, error_code); |
| |
| std::vector<uint8_t> invalid_size = kDataDescriptorZipFile; |
| invalid_csize[kSizeOffset] = 0xfe; |
| |
| error_code = 0; |
| entry.clear(); |
| ExtractEntryToMemory(invalid_csize, &entry, &error_code); |
| |
| ASSERT_EQ(kInconsistentInformation, error_code); |
| } |
| |
| TEST(ziparchive, ErrorCodeString) { |
| ASSERT_STREQ("Success", ErrorCodeString(0)); |
| |
| // Out of bounds. |
| ASSERT_STREQ("Unknown return code", ErrorCodeString(1)); |
| ASSERT_STREQ("Unknown return code", ErrorCodeString(-13)); |
| |
| ASSERT_STREQ("I/O error", ErrorCodeString(kIoError)); |
| } |
| |
| class VectorReader : public zip_archive::Reader { |
| public: |
| VectorReader(const std::vector<uint8_t>& input) : Reader(), input_(input) {} |
| |
| bool ReadAtOffset(uint8_t* buf, size_t len, uint32_t offset) const { |
| if ((offset + len) < input_.size()) { |
| return false; |
| } |
| |
| memcpy(buf, &input_[offset], len); |
| return true; |
| } |
| |
| private: |
| const std::vector<uint8_t>& input_; |
| }; |
| |
| class VectorWriter : public zip_archive::Writer { |
| public: |
| VectorWriter() : Writer() {} |
| |
| bool Append(uint8_t* buf, size_t size) { |
| output_.insert(output_.end(), buf, buf + size); |
| return true; |
| } |
| |
| std::vector<uint8_t>& GetOutput() { return output_; } |
| |
| private: |
| std::vector<uint8_t> output_; |
| }; |
| |
| class BadReader : public zip_archive::Reader { |
| public: |
| BadReader() : Reader() {} |
| |
| bool ReadAtOffset(uint8_t*, size_t, uint32_t) const { return false; } |
| }; |
| |
| class BadWriter : public zip_archive::Writer { |
| public: |
| BadWriter() : Writer() {} |
| |
| bool Append(uint8_t*, size_t) { return false; } |
| }; |
| |
| TEST(ziparchive, Inflate) { |
| const uint32_t compressed_length = kATxtContentsCompressed.size(); |
| const uint32_t uncompressed_length = kATxtContents.size(); |
| |
| const VectorReader reader(kATxtContentsCompressed); |
| { |
| VectorWriter writer; |
| uint64_t crc_out = 0; |
| |
| int32_t ret = |
| zip_archive::Inflate(reader, compressed_length, uncompressed_length, &writer, &crc_out); |
| ASSERT_EQ(0, ret); |
| ASSERT_EQ(kATxtContents, writer.GetOutput()); |
| ASSERT_EQ(0x950821C5u, crc_out); |
| } |
| |
| { |
| VectorWriter writer; |
| int32_t ret = |
| zip_archive::Inflate(reader, compressed_length, uncompressed_length, &writer, nullptr); |
| ASSERT_EQ(0, ret); |
| ASSERT_EQ(kATxtContents, writer.GetOutput()); |
| } |
| |
| { |
| BadWriter writer; |
| int32_t ret = |
| zip_archive::Inflate(reader, compressed_length, uncompressed_length, &writer, nullptr); |
| ASSERT_EQ(kIoError, ret); |
| } |
| |
| { |
| BadReader reader; |
| VectorWriter writer; |
| int32_t ret = |
| zip_archive::Inflate(reader, compressed_length, uncompressed_length, &writer, nullptr); |
| ASSERT_EQ(kIoError, ret); |
| ASSERT_EQ(0u, writer.GetOutput().size()); |
| } |
| } |
| |
| int main(int argc, char** argv) { |
| ::testing::InitGoogleTest(&argc, argv); |
| |
| static struct option options[] = {{"test_data_dir", required_argument, nullptr, 't'}, |
| {nullptr, 0, nullptr, 0}}; |
| |
| while (true) { |
| int option_index; |
| const int c = getopt_long_only(argc, argv, "", options, &option_index); |
| if (c == -1) { |
| break; |
| } |
| |
| if (c == 't') { |
| test_data_dir = optarg; |
| } |
| } |
| |
| if (test_data_dir.size() == 0) { |
| printf("Test data flag (--test_data_dir) required\n\n"); |
| return -1; |
| } |
| |
| if (test_data_dir[0] != '/') { |
| std::vector<char> cwd_buffer(1024); |
| const char* cwd = getcwd(cwd_buffer.data(), cwd_buffer.size() - 1); |
| if (cwd == nullptr) { |
| printf("Cannot get current working directory, use an absolute path instead, was %s\n\n", |
| test_data_dir.c_str()); |
| return -2; |
| } |
| test_data_dir = '/' + test_data_dir; |
| test_data_dir = cwd + test_data_dir; |
| } |
| |
| return RUN_ALL_TESTS(); |
| } |