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Unified Diff: third_party/ots/test/validator-checker.cc

Issue 797183002: Revert of Updating OTS repo from https://github.com/khaledhosny/ots.git (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years ago
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Index: third_party/ots/test/validator-checker.cc
diff --git a/third_party/ots/test/validator-checker.cc b/third_party/ots/test/validator-checker.cc
deleted file mode 100644
index 6cb5bcac15cc2c3a81013e030811d53638eee987..0000000000000000000000000000000000000000
--- a/third_party/ots/test/validator-checker.cc
+++ /dev/null
@@ -1,172 +0,0 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#if !defined(_MSC_VER)
-#ifdef __linux__
-// Linux
-#include <ft2build.h>
-#include FT_FREETYPE_H
-#include FT_OUTLINE_H
-#else
-// Mac OS X
-#include <ApplicationServices/ApplicationServices.h> // g++ -framework Cocoa
-#endif // __linux__
-#else
-// Windows
-// TODO(yusukes): Support Windows.
-#endif // _MSC_VER
-
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-
-#include "opentype-sanitiser.h"
-#include "ots-memory-stream.h"
-
-namespace {
-
-#if !defined(_MSC_VER)
-#ifdef __linux__
-// Linux
-void LoadChar(FT_Face face, int pt, FT_ULong c) {
- FT_Matrix matrix;
- matrix.xx = matrix.yy = 1 << 16;
- matrix.xy = matrix.yx = 0 << 16;
-
- FT_Set_Char_Size(face, pt * (1 << 6), 0, 72, 0);
- FT_Set_Transform(face, &matrix, 0);
- FT_Load_Char(face, c, FT_LOAD_RENDER);
-}
-
-int OpenAndLoadChars(
- const char *file_name, uint8_t *trans_font, size_t trans_len) {
- FT_Library library;
- FT_Error error = FT_Init_FreeType(&library);
- if (error) {
- std::fprintf(stderr, "Failed to initialize FreeType2!\n");
- return 1;
- }
-
- FT_Face trans_face;
- error = FT_New_Memory_Face(library, trans_font, trans_len, 0, &trans_face);
- if (error) {
- std::fprintf(stderr,
- "OK: FreeType2 couldn't open the transcoded font: %s\n",
- file_name);
- return 0;
- }
-
- static const int kPts[] = {100, 20, 18, 16, 12, 10, 8}; // pt
- static const size_t kPtsLen = sizeof(kPts) / sizeof(kPts[0]);
-
- static const int kUnicodeRanges[] = {
- 0x0020, 0x007E, // Basic Latin (ASCII)
- 0x00A1, 0x017F, // Latin-1
- 0x1100, 0x11FF, // Hangul
- 0x3040, 0x309F, // Japanese HIRAGANA letters
- 0x3130, 0x318F, // Hangul
- 0x4E00, 0x4F00, // CJK Kanji/Hanja
- 0xAC00, 0xAD00, // Hangul
- };
- static const size_t kUnicodeRangesLen
- = sizeof(kUnicodeRanges) / sizeof(kUnicodeRanges[0]);
-
- for (size_t i = 0; i < kPtsLen; ++i) {
- for (size_t j = 0; j < kUnicodeRangesLen; j += 2) {
- for (int k = 0; k <= kUnicodeRanges[j + 1] - kUnicodeRanges[j]; ++k) {
- LoadChar(trans_face, kPts[i], kUnicodeRanges[j] + k);
- }
- }
- }
-
- std::fprintf(stderr, "OK: FreeType2 didn't crash: %s\n", file_name);
- return 0;
-}
-#else
-// Mac OS X
-int OpenAndLoadChars(
- const char *file_name, uint8_t *trans_font, size_t trans_len) {
- CFDataRef data = CFDataCreate(0, trans_font, trans_len);
- if (!data) {
- std::fprintf(stderr,
- "OK: font renderer couldn't open the transcoded font: %s\n",
- file_name);
- return 0;
- }
-
- CGDataProviderRef dataProvider = CGDataProviderCreateWithCFData(data);
- CGFontRef cgFontRef = CGFontCreateWithDataProvider(dataProvider);
- CGDataProviderRelease(dataProvider);
- CFRelease(data);
- if (!cgFontRef) {
- std::fprintf(stderr,
- "OK: font renderer couldn't open the transcoded font: %s\n",
- file_name);
- return 0;
- }
-
- size_t numGlyphs = CGFontGetNumberOfGlyphs(cgFontRef);
- CGFontRelease(cgFontRef);
- if (!numGlyphs) {
- std::fprintf(stderr,
- "OK: font renderer couldn't open the transcoded font: %s\n",
- file_name);
- return 0;
- }
- std::fprintf(stderr, "OK: font renderer didn't crash: %s\n", file_name);
- // TODO(yusukes): would be better to perform LoadChar() like Linux.
- return 0;
-}
-#endif // __linux__
-#else
-// Windows
-// TODO(yusukes): Support Windows.
-#endif // _MSC_VER
-
-} // namespace
-
-int main(int argc, char **argv) {
- if (argc != 2) {
- std::fprintf(stderr, "Usage: %s ttf_or_otf_filename\n", argv[0]);
- return 1;
- }
-
- // load the font to memory.
- const int fd = ::open(argv[1], O_RDONLY);
- if (fd < 0) {
- ::perror("open");
- return 1;
- }
-
- struct stat st;
- ::fstat(fd, &st);
- const off_t orig_len = st.st_size;
-
- uint8_t *orig_font = new uint8_t[orig_len];
- if (::read(fd, orig_font, orig_len) != orig_len) {
- std::fprintf(stderr, "Failed to read file!\n");
- return 1;
- }
- ::close(fd);
-
- // transcode the malicious font.
- static const size_t kBigPadLen = 1024 * 1024; // 1MB
- uint8_t *trans_font = new uint8_t[orig_len + kBigPadLen];
- ots::MemoryStream output(trans_font, orig_len + kBigPadLen);
- ots::OTSContext context;
-
- bool result = context.Process(&output, orig_font, orig_len);
- if (!result) {
- std::fprintf(stderr, "OK: the malicious font was filtered: %s\n", argv[1]);
- return 0;
- }
- const size_t trans_len = output.Tell();
-
- return OpenAndLoadChars(argv[1], trans_font, trans_len);
-}
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