mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
333 lines
13 KiB
C++
333 lines
13 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <cstdint>
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#include "helper.h" // NOLINT(build/include)
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#include "tiffio.h" // NOLINT(build/include)
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using ::sapi::IsOk;
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using ::testing::Eq;
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using ::testing::IsTrue;
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using ::testing::NotNull;
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// sapi functions:
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// TIFFOpen
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// TIFFClose
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// TIFFGetField
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// TIFFSetField
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// TIFFWriteCheck
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// TIFFSetDirectory
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// TIFFFreeDirectory
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// TIFFWriteScanline
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// TIFFWriteDirectory
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// TIFFCreateDirectory
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// TIFFReadEncodedTile
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// TIFFReadEncodedStrip
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// TIFFWriteEncodedTile
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// TIFFWriteEncodedStrip
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// TIFFDeferStrileArrayWriting
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// TIFFForceStrileArrayWriting
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namespace {
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constexpr int kTileBufferSize = 256;
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constexpr int kWidth = 1;
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constexpr int kBps = 8;
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constexpr int kRowsPerStrip = 1;
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constexpr int kSamplePerPixel = 1;
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void TestWriting(const char* mode, int tiled, int height) {
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absl::StatusOr<std::string> status_or_path =
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sandbox2::CreateNamedTempFileAndClose("defer_strile_writing.tif");
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ASSERT_THAT(status_or_path, IsOk()) << "Could not create temp file";
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std::string srcfile = sandbox2::file::JoinPath(
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sandbox2::file_util::fileops::GetCWD(), status_or_path.value());
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absl::StatusOr<int> status_or_int;
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absl::StatusOr<int64_t> status_or_long;
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absl::StatusOr<TIFF*> status_or_tif;
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TiffSapiSandbox sandbox("", srcfile);
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ASSERT_THAT(sandbox.Init(), IsOk()) << "Couldn't initialize Sandboxed API";
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TiffApi api(&sandbox);
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sapi::v::ConstCStr srcfile_var(srcfile.c_str());
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sapi::v::ConstCStr mode_var(mode);
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status_or_tif = api.TIFFOpen(srcfile_var.PtrBefore(), mode_var.PtrBefore());
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ASSERT_THAT(status_or_tif, IsOk()) << "Could not open " << srcfile;
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sapi::v::RemotePtr tif(status_or_tif.value());
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ASSERT_THAT(tif.GetValue(), NotNull())
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<< "Can't create test TIFF file " << srcfile;
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status_or_int =
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api.TIFFSetFieldU1(&tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set CompressionNone tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_IMAGEWIDTH, kWidth);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set ImageWidth tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_IMAGELENGTH, height);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set ImageLenght tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_BITSPERSAMPLE, kBps);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set BitsPerSample tag";
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status_or_int =
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api.TIFFSetFieldU1(&tif, TIFFTAG_SAMPLESPERPIXEL, kSamplePerPixel);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set SamplesPerPixel tag";
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status_or_int =
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api.TIFFSetFieldU1(&tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set PlanarConfiguration tag";
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if (tiled) {
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_TILEWIDTH, 16);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set TileWidth tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_TILELENGTH, 16);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set TileLenght tag";
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} else {
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status_or_int =
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api.TIFFSetFieldU1(&tif, TIFFTAG_ROWSPERSTRIP, kRowsPerStrip);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set RowsPerStrip tag";
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}
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status_or_int = api.TIFFDeferStrileArrayWriting(&tif);
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ASSERT_THAT(status_or_int, IsOk())
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<< "TIFFDeferStrileArrayWriting fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFDeferStrileArrayWriting return unexpected value";
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sapi::v::ConstCStr test_var("test");
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status_or_int = api.TIFFWriteCheck(&tif, tiled, test_var.PtrBefore());
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFWriteCheck fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFWriteCheck return unexpected value "
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<< "void test(" << mode << ", " << tiled << ", " << height << ")";
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status_or_int = api.TIFFWriteDirectory(&tif);
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ASSERT_THAT(status_or_int, IsOk())
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<< "TIFFDeferStrileArrayWriting fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFDeferStrileArrayWriting return unexpected value";
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// Create other directory
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ASSERT_THAT(api.TIFFFreeDirectory(&tif), IsOk())
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<< "TIFFFreeDirectory fatal error";
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ASSERT_THAT(api.TIFFCreateDirectory(&tif), IsOk())
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<< "TIFFCreateDirectory fatal error";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_SUBFILETYPE, FILETYPE_PAGE);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set SubFileType tag";
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status_or_int =
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api.TIFFSetFieldU1(&tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set CompressionNone tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_IMAGEWIDTH, kWidth);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set ImageWidth tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_IMAGELENGTH, 1);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set ImageLenght tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_BITSPERSAMPLE, kBps);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set BitsPerSample tag";
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status_or_int =
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api.TIFFSetFieldU1(&tif, TIFFTAG_SAMPLESPERPIXEL, kSamplePerPixel);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set SamplesPerPixel tag";
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status_or_int =
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api.TIFFSetFieldU1(&tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "Can't set PlanarConfiguration tag";
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status_or_int = api.TIFFSetFieldU1(&tif, TIFFTAG_ROWSPERSTRIP, kRowsPerStrip);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetFieldU1 fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue()) << "Can't set RowsPerStrip tag";
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status_or_int = api.TIFFDeferStrileArrayWriting(&tif);
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ASSERT_THAT(status_or_int, IsOk())
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<< "TIFFDeferStrileArrayWriting fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFDeferStrileArrayWriting return unexpected value";
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status_or_int = api.TIFFWriteCheck(&tif, 0, test_var.PtrBefore());
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFWriteCheck fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFWriteCheck return unexpected value";
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status_or_int = api.TIFFWriteDirectory(&tif);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFWriteDirectory fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFWriteDirectory return unexpected value";
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// Force writing of strile arrays
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status_or_int = api.TIFFSetDirectory(&tif, 0);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetDirectory fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFSetDirectory return unexpected value";
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status_or_int = api.TIFFForceStrileArrayWriting(&tif);
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ASSERT_THAT(status_or_int, IsOk())
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<< "TIFFForceStrileArrayWriting fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFForceStrileArrayWriting return unexpected value";
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status_or_int = api.TIFFSetDirectory(&tif, 1);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetDirectory fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFSetDirectory return unexpected value";
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status_or_int = api.TIFFForceStrileArrayWriting(&tif);
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ASSERT_THAT(status_or_int, IsOk())
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<< "TIFFForceStrileArrayWriting fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFForceStrileArrayWriting return unexpected value";
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// Now write data on frist directory
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status_or_int = api.TIFFSetDirectory(&tif, 0);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFSetDirectory fatal error";
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EXPECT_THAT(status_or_int.value(), IsTrue())
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<< "TIFFSetDirectory return unexpected value";
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if (tiled) {
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for (int i = 0; i < (height + 15) / 16; ++i) {
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std::array<uint8_t, kTileBufferSize> tilebuffer;
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tilebuffer.fill(i);
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sapi::v::Array<uint8_t> tilebuffer_(tilebuffer.data(), kTileBufferSize);
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status_or_int = api.TIFFWriteEncodedTile(&tif, i, tilebuffer_.PtrBoth(),
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kTileBufferSize);
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ASSERT_THAT(status_or_int, IsOk()) << "TIFFWriteEncodedTile fatal error";
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EXPECT_THAT(status_or_int.value(), Eq(kTileBufferSize))
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<< "line " << i << ": expected 256, got " << status_or_int.value();
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}
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} else {
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for (int i = 0; i < height; ++i) {
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sapi::v::UChar c(i);
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status_or_long = api.TIFFWriteEncodedStrip(&tif, i, c.PtrBoth(), 1);
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ASSERT_THAT(status_or_long, IsOk())
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<< "TIFFWriteEncodedStrip fatal error";
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EXPECT_THAT(status_or_int.value(), Eq(1))
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<< "line " << i << ": expected 1, got " << status_or_int.value();
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if (i == 1 && height > 100000) {
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i = height - 2;
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}
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}
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}
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ASSERT_THAT(api.TIFFClose(&tif), IsOk()) << "TIFFClose fatal error";
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sapi::v::ConstCStr r_var("r");
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status_or_tif = api.TIFFOpen(srcfile_var.PtrBefore(), r_var.PtrBefore());
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ASSERT_THAT(status_or_tif, IsOk()) << "Could not open " << srcfile;
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sapi::v::RemotePtr tif2(status_or_tif.value());
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ASSERT_THAT(tif2.GetValue(), NotNull()) << "can't open " << srcfile;
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if (tiled) {
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for (int i = 0; i < (height + 15) / 16; ++i) {
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for (int retry = 0; retry < 2; ++retry) {
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std::array<uint8_t, kTileBufferSize> tilebuffer;
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auto expected_c = static_cast<uint8_t>(i);
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tilebuffer.fill(0);
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sapi::v::Array<uint8_t> tilebuffer_(tilebuffer.data(), kTileBufferSize);
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status_or_long = api.TIFFReadEncodedTile(
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&tif2, i, tilebuffer_.PtrBoth(), kTileBufferSize);
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ASSERT_THAT(status_or_long, IsOk())
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<< "TIFFReadEncodedTile fatal error";
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EXPECT_THAT(status_or_long.value(), Eq(kTileBufferSize))
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<< "line " << i << ": expected 256, got " << status_or_long.value();
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bool cmp = tilebuffer[0] != expected_c || tilebuffer[255] != expected_c;
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EXPECT_THAT(tilebuffer[0], Eq(expected_c))
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<< "unexpected value at tile " << i << ": expected " << expected_c
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<< ", got " << tilebuffer[0];
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EXPECT_THAT(tilebuffer[255], Eq(expected_c))
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<< "unexpected value at tile " << i << ": expected " << expected_c
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<< ", got " << tilebuffer[255];
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if (cmp) {
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ASSERT_THAT(api.TIFFClose(&tif2), IsOk()) << "TIFFClose fatal error";
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}
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}
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}
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} else {
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for (int i = 0; i < height; ++i) {
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for (int retry = 0; retry < 2; ++retry) {
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sapi::v::UChar c(0);
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auto expected_c = static_cast<uint8_t>(i);
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status_or_long = api.TIFFReadEncodedStrip(&tif2, i, c.PtrBoth(), 1);
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ASSERT_THAT(status_or_long, IsOk())
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<< "TIFFReadEncodedStrip fatal error";
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EXPECT_THAT(status_or_long.value(), Eq(1))
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<< "line " << i << ": expected 1, got " << status_or_long.value();
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EXPECT_THAT(c.GetValue(), Eq(expected_c))
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<< "unexpected value at line " << i << ": expected " << expected_c
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<< ", got " << c.GetValue();
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if (c.GetValue() != expected_c) {
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ASSERT_THAT(api.TIFFClose(&tif2), IsOk()) << "TIFFClose fatal error";
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}
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}
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}
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}
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ASSERT_THAT(api.TIFFClose(&tif2), IsOk()) << "TIFFClose fatal error";
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unlink(srcfile.c_str());
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}
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TEST(SandboxTest, DeferStrileWriting) {
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for (int tiled = 0; tiled <= 1; ++tiled) {
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TestWriting("w", tiled, 1);
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TestWriting("w", tiled, 10);
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TestWriting("w8", tiled, 1);
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TestWriting("wD", tiled, 1);
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}
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}
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} // namespace
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