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From ca1647dda267762c03c8641d2c605a9853a8ac59 Mon Sep 17 00:00:00 2001
From: Johann <johannkoenig@google.com>
Date: Tue, 24 Apr 2018 15:22:28 -0700
Subject: [PATCH 3/4] CVE-2019-9371: update libwebm
update libwebm to libwebm-1.0.0.27-358-gdbf1d10
---
configure | 8 +-
third_party/libwebm/AUTHORS.TXT | 8 +-
third_party/libwebm/Android.mk | 2 +-
third_party/libwebm/README.libvpx | 14 +++-
third_party/libwebm/common/file_util.cc | 19 ++++-
third_party/libwebm/common/file_util.h | 5 +-
third_party/libwebm/common/hdr_util.cc | 8 +-
third_party/libwebm/common/hdr_util.h | 10 +--
third_party/libwebm/common/webmids.h | 1 +
third_party/libwebm/mkvmuxer/mkvmuxer.cc | 77 +++++++++++++-------
third_party/libwebm/mkvmuxer/mkvmuxer.h | 5 +-
third_party/libwebm/mkvmuxer/mkvmuxerutil.cc | 13 ++--
third_party/libwebm/mkvmuxer/mkvmuxerutil.h | 3 +
third_party/libwebm/mkvmuxer/mkvwriter.cc | 2 +
third_party/libwebm/mkvparser/mkvparser.cc | 64 +++++++++++-----
third_party/libwebm/mkvparser/mkvparser.h | 6 +-
third_party/libwebm/mkvparser/mkvreader.cc | 2 +
17 files changed, 165 insertions(+), 82 deletions(-)
diff --git a/configure b/configure
index e5a74c6f2..56d203e6b 100755
--- a/configure
+++ b/configure
@@ -703,9 +703,7 @@ process_toolchain() {
check_cxx "$@" <<EOF && soft_enable unit_tests
int z;
EOF
- check_cxx "$@" <<EOF && soft_enable webm_io
-int z;
-EOF
+ check_add_cxx_flags -std=c++11 && soft_enable webm_io
check_cxx "$@" <<EOF && soft_enable libyuv
int z;
EOF
@@ -714,9 +712,7 @@ EOF
enabled pthread_h && check_cxx "$@" <<EOF && soft_enable unit_tests
int z;
EOF
- check_cxx "$@" <<EOF && soft_enable webm_io
-int z;
-EOF
+ check_add_cxx_flags -std=c++11 && soft_enable webm_io
check_cxx "$@" <<EOF && soft_enable libyuv
int z;
EOF
diff --git a/third_party/libwebm/AUTHORS.TXT b/third_party/libwebm/AUTHORS.TXT
index 8ab6f794c..9686ac13e 100644
--- a/third_party/libwebm/AUTHORS.TXT
+++ b/third_party/libwebm/AUTHORS.TXT
@@ -1,4 +1,4 @@
-# Names should be added to this file like so:
-# Name or Organization <email address>
-
-Google Inc.
+# Names should be added to this file like so:
+# Name or Organization <email address>
+
+Google Inc.
diff --git a/third_party/libwebm/Android.mk b/third_party/libwebm/Android.mk
index 8149a083f..b46ba101d 100644
--- a/third_party/libwebm/Android.mk
+++ b/third_party/libwebm/Android.mk
@@ -3,7 +3,7 @@ LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE:= libwebm
LOCAL_CPPFLAGS:=-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS
-LOCAL_CPPFLAGS+=-D__STDC_LIMIT_MACROS -Wno-extern-c-compat
+LOCAL_CPPFLAGS+=-D__STDC_LIMIT_MACROS -std=c++11
LOCAL_C_INCLUDES:= $(LOCAL_PATH)
LOCAL_EXPORT_C_INCLUDES:= $(LOCAL_PATH)
diff --git a/third_party/libwebm/README.libvpx b/third_party/libwebm/README.libvpx
index ebb5ff2f4..16f17513e 100644
--- a/third_party/libwebm/README.libvpx
+++ b/third_party/libwebm/README.libvpx
@@ -1,5 +1,5 @@
URL: https://chromium.googlesource.com/webm/libwebm
-Version: 0ae757087f5e6eb01dfea16cc09205b2425cfb74
+Version: dbf1d1089756e7cb5b1a04d6752310ef35912347
License: BSD
License File: LICENSE.txt
@@ -7,4 +7,14 @@ Description:
libwebm is used to handle WebM container I/O.
Local Changes:
-* <none>
+Only keep:
+ - Android.mk
+ - AUTHORS.TXT
+ - common/
+ file_util.cc/h
+ hdr_util.cc/h
+ webmids.h
+ - LICENSE.TXT
+ - mkvmuxer/
+ - mkvparser/
+ - PATENTS.TXT
diff --git a/third_party/libwebm/common/file_util.cc b/third_party/libwebm/common/file_util.cc
index 6dab146dd..6eb6428b9 100644
--- a/third_party/libwebm/common/file_util.cc
+++ b/third_party/libwebm/common/file_util.cc
@@ -17,14 +17,15 @@
#include <cstring>
#include <fstream>
#include <ios>
+#include <string>
namespace libwebm {
std::string GetTempFileName() {
#if !defined _MSC_VER && !defined __MINGW32__
std::string temp_file_name_template_str =
- std::string(std::getenv("TEST_TMPDIR") ? std::getenv("TEST_TMPDIR") :
- ".") +
+ std::string(std::getenv("TEST_TMPDIR") ? std::getenv("TEST_TMPDIR")
+ : ".") +
"/libwebm_temp.XXXXXX";
char* temp_file_name_template =
new char[temp_file_name_template_str.length() + 1];
@@ -41,7 +42,12 @@ std::string GetTempFileName() {
return temp_file_name;
#else
char tmp_file_name[_MAX_PATH];
+#if defined _MSC_VER || defined MINGW_HAS_SECURE_API
errno_t err = tmpnam_s(tmp_file_name);
+#else
+ char* fname_pointer = tmpnam(tmp_file_name);
+ int err = (fname_pointer == &tmp_file_name[0]) ? 0 : -1;
+#endif
if (err == 0) {
return std::string(tmp_file_name);
}
@@ -65,6 +71,15 @@ uint64_t GetFileSize(const std::string& file_name) {
return file_size;
}
+bool GetFileContents(const std::string& file_name, std::string* contents) {
+ std::ifstream file(file_name.c_str());
+ *contents = std::string(static_cast<size_t>(GetFileSize(file_name)), 0);
+ if (file.good() && contents->size()) {
+ file.read(&(*contents)[0], contents->size());
+ }
+ return !file.fail();
+}
+
TempFileDeleter::TempFileDeleter() { file_name_ = GetTempFileName(); }
TempFileDeleter::~TempFileDeleter() {
diff --git a/third_party/libwebm/common/file_util.h b/third_party/libwebm/common/file_util.h
index 0e71eac11..a87373464 100644
--- a/third_party/libwebm/common/file_util.h
+++ b/third_party/libwebm/common/file_util.h
@@ -22,6 +22,9 @@ std::string GetTempFileName();
// Returns size of file specified by |file_name|, or 0 upon failure.
uint64_t GetFileSize(const std::string& file_name);
+// Gets the contents file_name as a string. Returns false on error.
+bool GetFileContents(const std::string& file_name, std::string* contents);
+
// Manages life of temporary file specified at time of construction. Deletes
// file upon destruction.
class TempFileDeleter {
@@ -38,4 +41,4 @@ class TempFileDeleter {
} // namespace libwebm
-#endif // LIBWEBM_COMMON_FILE_UTIL_H_
\ No newline at end of file
+#endif // LIBWEBM_COMMON_FILE_UTIL_H_
diff --git a/third_party/libwebm/common/hdr_util.cc b/third_party/libwebm/common/hdr_util.cc
index e1618ce75..916f7170b 100644
--- a/third_party/libwebm/common/hdr_util.cc
+++ b/third_party/libwebm/common/hdr_util.cc
@@ -36,10 +36,10 @@ bool CopyMasteringMetadata(const mkvparser::MasteringMetadata& parser_mm,
if (MasteringMetadataValuePresent(parser_mm.luminance_min))
muxer_mm->set_luminance_min(parser_mm.luminance_min);
- PrimaryChromaticityPtr r_ptr(NULL);
- PrimaryChromaticityPtr g_ptr(NULL);
- PrimaryChromaticityPtr b_ptr(NULL);
- PrimaryChromaticityPtr wp_ptr(NULL);
+ PrimaryChromaticityPtr r_ptr(nullptr);
+ PrimaryChromaticityPtr g_ptr(nullptr);
+ PrimaryChromaticityPtr b_ptr(nullptr);
+ PrimaryChromaticityPtr wp_ptr(nullptr);
if (parser_mm.r) {
if (!CopyPrimaryChromaticity(*parser_mm.r, &r_ptr))
diff --git a/third_party/libwebm/common/hdr_util.h b/third_party/libwebm/common/hdr_util.h
index 3ef5388fd..78e2eeb70 100644
--- a/third_party/libwebm/common/hdr_util.h
+++ b/third_party/libwebm/common/hdr_util.h
@@ -47,15 +47,7 @@ struct Vp9CodecFeatures {
int chroma_subsampling;
};
-// disable deprecation warnings for auto_ptr
-#if defined(__GNUC__) && __GNUC__ >= 5
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-#endif
-typedef std::auto_ptr<mkvmuxer::PrimaryChromaticity> PrimaryChromaticityPtr;
-#if defined(__GNUC__) && __GNUC__ >= 5
-#pragma GCC diagnostic pop
-#endif
+typedef std::unique_ptr<mkvmuxer::PrimaryChromaticity> PrimaryChromaticityPtr;
bool CopyPrimaryChromaticity(const mkvparser::PrimaryChromaticity& parser_pc,
PrimaryChromaticityPtr* muxer_pc);
diff --git a/third_party/libwebm/common/webmids.h b/third_party/libwebm/common/webmids.h
index 89d722a71..fc0c20814 100644
--- a/third_party/libwebm/common/webmids.h
+++ b/third_party/libwebm/common/webmids.h
@@ -93,6 +93,7 @@ enum MkvId {
kMkvDisplayHeight = 0x54BA,
kMkvDisplayUnit = 0x54B2,
kMkvAspectRatioType = 0x54B3,
+ kMkvColourSpace = 0x2EB524,
kMkvFrameRate = 0x2383E3,
// end video
// colour
diff --git a/third_party/libwebm/mkvmuxer/mkvmuxer.cc b/third_party/libwebm/mkvmuxer/mkvmuxer.cc
index 15b9a908d..512031211 100644
--- a/third_party/libwebm/mkvmuxer/mkvmuxer.cc
+++ b/third_party/libwebm/mkvmuxer/mkvmuxer.cc
@@ -8,6 +8,8 @@
#include "mkvmuxer/mkvmuxer.h"
+#include <stdint.h>
+
#include <cfloat>
#include <climits>
#include <cstdio>
@@ -24,11 +26,6 @@
#include "mkvmuxer/mkvwriter.h"
#include "mkvparser/mkvparser.h"
-// disable deprecation warnings for auto_ptr
-#if defined(__GNUC__) && __GNUC__ >= 5
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-#endif
-
namespace mkvmuxer {
const float PrimaryChromaticity::kChromaticityMin = 0.0f;
@@ -72,7 +69,7 @@ bool StrCpy(const char* src, char** dst_ptr) {
return true;
}
-typedef std::auto_ptr<PrimaryChromaticity> PrimaryChromaticityPtr;
+typedef std::unique_ptr<PrimaryChromaticity> PrimaryChromaticityPtr;
bool CopyChromaticity(const PrimaryChromaticity* src,
PrimaryChromaticityPtr* dst) {
if (!dst)
@@ -776,6 +773,14 @@ bool Track::Write(IMkvWriter* writer) const {
if (!type_ || !codec_id_)
return false;
+ // AV1 tracks require a CodecPrivate. See
+ // https://github.com/Matroska-Org/matroska-specification/blob/av1-mappin/codec/av1.md
+ // TODO(tomfinegan): Update the above link to the AV1 Matroska mappings to
+ // point to a stable version once it is finalized, or our own WebM mappings
+ // page on webmproject.org should we decide to release them.
+ if (!strcmp(codec_id_, Tracks::kAv1CodecId) && !codec_private_)
+ return false;
+
// |size| may be bigger than what is written out in this function because
// derived classes may write out more data in the Track element.
const uint64_t payload_size = PayloadSize();
@@ -1030,19 +1035,16 @@ bool MasteringMetadata::Write(IMkvWriter* writer) const {
!WriteEbmlElement(writer, libwebm::kMkvLuminanceMin, luminance_min_)) {
return false;
}
- if (r_ &&
- !r_->Write(writer, libwebm::kMkvPrimaryRChromaticityX,
- libwebm::kMkvPrimaryRChromaticityY)) {
+ if (r_ && !r_->Write(writer, libwebm::kMkvPrimaryRChromaticityX,
+ libwebm::kMkvPrimaryRChromaticityY)) {
return false;
}
- if (g_ &&
- !g_->Write(writer, libwebm::kMkvPrimaryGChromaticityX,
- libwebm::kMkvPrimaryGChromaticityY)) {
+ if (g_ && !g_->Write(writer, libwebm::kMkvPrimaryGChromaticityX,
+ libwebm::kMkvPrimaryGChromaticityY)) {
return false;
}
- if (b_ &&
- !b_->Write(writer, libwebm::kMkvPrimaryBChromaticityX,
- libwebm::kMkvPrimaryBChromaticityY)) {
+ if (b_ && !b_->Write(writer, libwebm::kMkvPrimaryBChromaticityX,
+ libwebm::kMkvPrimaryBChromaticityY)) {
return false;
}
if (white_point_ &&
@@ -1057,22 +1059,22 @@ bool MasteringMetadata::Write(IMkvWriter* writer) const {
bool MasteringMetadata::SetChromaticity(
const PrimaryChromaticity* r, const PrimaryChromaticity* g,
const PrimaryChromaticity* b, const PrimaryChromaticity* white_point) {
- PrimaryChromaticityPtr r_ptr(NULL);
+ PrimaryChromaticityPtr r_ptr(nullptr);
if (r) {
if (!CopyChromaticity(r, &r_ptr))
return false;
}
- PrimaryChromaticityPtr g_ptr(NULL);
+ PrimaryChromaticityPtr g_ptr(nullptr);
if (g) {
if (!CopyChromaticity(g, &g_ptr))
return false;
}
- PrimaryChromaticityPtr b_ptr(NULL);
+ PrimaryChromaticityPtr b_ptr(nullptr);
if (b) {
if (!CopyChromaticity(b, &b_ptr))
return false;
}
- PrimaryChromaticityPtr wp_ptr(NULL);
+ PrimaryChromaticityPtr wp_ptr(nullptr);
if (white_point) {
if (!CopyChromaticity(white_point, &wp_ptr))
return false;
@@ -1238,7 +1240,7 @@ bool Colour::Write(IMkvWriter* writer) const {
}
bool Colour::SetMasteringMetadata(const MasteringMetadata& mastering_metadata) {
- std::auto_ptr<MasteringMetadata> mm_ptr(new MasteringMetadata());
+ std::unique_ptr<MasteringMetadata> mm_ptr(new MasteringMetadata());
if (!mm_ptr.get())
return false;
@@ -1424,6 +1426,7 @@ VideoTrack::VideoTrack(unsigned int* seed)
stereo_mode_(0),
alpha_mode_(0),
width_(0),
+ colour_space_(NULL),
colour_(NULL),
projection_(NULL) {}
@@ -1521,6 +1524,10 @@ bool VideoTrack::Write(IMkvWriter* writer) const {
static_cast<uint64>(alpha_mode_)))
return false;
}
+ if (colour_space_) {
+ if (!WriteEbmlElement(writer, libwebm::kMkvColourSpace, colour_space_))
+ return false;
+ }
if (frame_rate_ > 0.0) {
if (!WriteEbmlElement(writer, libwebm::kMkvFrameRate,
static_cast<float>(frame_rate_))) {
@@ -1545,8 +1552,24 @@ bool VideoTrack::Write(IMkvWriter* writer) const {
return true;
}
+void VideoTrack::set_colour_space(const char* colour_space) {
+ if (colour_space) {
+ delete[] colour_space_;
+
+ const size_t length = strlen(colour_space) + 1;
+ colour_space_ = new (std::nothrow) char[length]; // NOLINT
+ if (colour_space_) {
+#ifdef _MSC_VER
+ strcpy_s(colour_space_, length, colour_space);
+#else
+ strcpy(colour_space_, colour_space);
+#endif
+ }
+ }
+}
+
bool VideoTrack::SetColour(const Colour& colour) {
- std::auto_ptr<Colour> colour_ptr(new Colour());
+ std::unique_ptr<Colour> colour_ptr(new Colour());
if (!colour_ptr.get())
return false;
@@ -1574,7 +1597,7 @@ bool VideoTrack::SetColour(const Colour& colour) {
}
bool VideoTrack::SetProjection(const Projection& projection) {
- std::auto_ptr<Projection> projection_ptr(new Projection());
+ std::unique_ptr<Projection> projection_ptr(new Projection());
if (!projection_ptr.get())
return false;
@@ -1628,6 +1651,8 @@ uint64_t VideoTrack::VideoPayloadSize() const {
if (frame_rate_ > 0.0)
size += EbmlElementSize(libwebm::kMkvFrameRate,
static_cast<float>(frame_rate_));
+ if (colour_space_)
+ size += EbmlElementSize(libwebm::kMkvColourSpace, colour_space_);
if (colour_)
size += colour_->ColourSize();
if (projection_)
@@ -1705,9 +1730,9 @@ bool AudioTrack::Write(IMkvWriter* writer) const {
const char Tracks::kOpusCodecId[] = "A_OPUS";
const char Tracks::kVorbisCodecId[] = "A_VORBIS";
+const char Tracks::kAv1CodecId[] = "V_AV1";
const char Tracks::kVp8CodecId[] = "V_VP8";
const char Tracks::kVp9CodecId[] = "V_VP9";
-const char Tracks::kVp10CodecId[] = "V_VP10";
const char Tracks::kWebVttCaptionsId[] = "D_WEBVTT/CAPTIONS";
const char Tracks::kWebVttDescriptionsId[] = "D_WEBVTT/DESCRIPTIONS";
const char Tracks::kWebVttMetadataId[] = "D_WEBVTT/METADATA";
@@ -2666,7 +2691,7 @@ bool Cluster::QueueOrWriteFrame(const Frame* const frame) {
// and write it if it is okay to do so (i.e.) no other track has an held back
// frame with timestamp <= the timestamp of the frame in question.
std::vector<std::list<Frame*>::iterator> frames_to_erase;
- for (std::list<Frame *>::iterator
+ for (std::list<Frame*>::iterator
current_track_iterator = stored_frames_[track_number].begin(),
end = --stored_frames_[track_number].end();
current_track_iterator != end; ++current_track_iterator) {
@@ -4168,8 +4193,8 @@ bool Segment::DocTypeIsWebm() const {
// TODO(vigneshv): Tweak .clang-format.
const char* kWebmCodecIds[kNumCodecIds] = {
Tracks::kOpusCodecId, Tracks::kVorbisCodecId,
- Tracks::kVp8CodecId, Tracks::kVp9CodecId,
- Tracks::kVp10CodecId, Tracks::kWebVttCaptionsId,
+ Tracks::kAv1CodecId, Tracks::kVp8CodecId,
+ Tracks::kVp9CodecId, Tracks::kWebVttCaptionsId,
Tracks::kWebVttDescriptionsId, Tracks::kWebVttMetadataId,
Tracks::kWebVttSubtitlesId};
diff --git a/third_party/libwebm/mkvmuxer/mkvmuxer.h b/third_party/libwebm/mkvmuxer/mkvmuxer.h
index 46b0029dc..f2db37714 100644
--- a/third_party/libwebm/mkvmuxer/mkvmuxer.h
+++ b/third_party/libwebm/mkvmuxer/mkvmuxer.h
@@ -795,6 +795,8 @@ class VideoTrack : public Track {
uint64_t alpha_mode() { return alpha_mode_; }
void set_width(uint64_t width) { width_ = width; }
uint64_t width() const { return width_; }
+ void set_colour_space(const char* colour_space);
+ const char* colour_space() const { return colour_space_; }
Colour* colour() { return colour_; }
@@ -824,6 +826,7 @@ class VideoTrack : public Track {
uint64_t stereo_mode_;
uint64_t alpha_mode_;
uint64_t width_;
+ char* colour_space_;
Colour* colour_;
Projection* projection_;
@@ -871,9 +874,9 @@ class Tracks {
static const char kOpusCodecId[];
static const char kVorbisCodecId[];
+ static const char kAv1CodecId[];
static const char kVp8CodecId[];
static const char kVp9CodecId[];
- static const char kVp10CodecId[];
static const char kWebVttCaptionsId[];
static const char kWebVttDescriptionsId[];
static const char kWebVttMetadataId[];
diff --git a/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc b/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc
index 355d4e22b..7636a9f4e 100644
--- a/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc
+++ b/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc
@@ -136,9 +136,8 @@ uint64 WriteBlock(IMkvWriter* writer, const Frame* const frame, int64 timecode,
return false;
}
- if (!frame->is_key() &&
- !WriteEbmlElement(writer, libwebm::kMkvReferenceBlock,
- reference_block_timestamp)) {
+ if (!frame->is_key() && !WriteEbmlElement(writer, libwebm::kMkvReferenceBlock,
+ reference_block_timestamp)) {
return false;
}
@@ -563,10 +562,10 @@ uint64 WriteFrame(IMkvWriter* writer, const Frame* const frame,
if (relative_timecode < 0 || relative_timecode > kMaxBlockTimecode)
return 0;
- return frame->CanBeSimpleBlock() ?
- WriteSimpleBlock(writer, frame, relative_timecode) :
- WriteBlock(writer, frame, relative_timecode,
- cluster->timecode_scale());
+ return frame->CanBeSimpleBlock()
+ ? WriteSimpleBlock(writer, frame, relative_timecode)
+ : WriteBlock(writer, frame, relative_timecode,
+ cluster->timecode_scale());
}
uint64 WriteVoidElement(IMkvWriter* writer, uint64 size) {
diff --git a/third_party/libwebm/mkvmuxer/mkvmuxerutil.h b/third_party/libwebm/mkvmuxer/mkvmuxerutil.h
index 132388da5..3355428bd 100644
--- a/third_party/libwebm/mkvmuxer/mkvmuxerutil.h
+++ b/third_party/libwebm/mkvmuxer/mkvmuxerutil.h
@@ -31,6 +31,9 @@ const int64 kMaxBlockTimecode = 0x07FFFLL;
// Writes out |value| in Big Endian order. Returns 0 on success.
int32 SerializeInt(IMkvWriter* writer, int64 value, int32 size);
+// Writes out |f| in Big Endian order. Returns 0 on success.
+int32 SerializeFloat(IMkvWriter* writer, float f);
+
// Returns the size in bytes of the element.
int32 GetUIntSize(uint64 value);
int32 GetIntSize(int64 value);
diff --git a/third_party/libwebm/mkvmuxer/mkvwriter.cc b/third_party/libwebm/mkvmuxer/mkvwriter.cc
index 84655d802..d668384d8 100644
--- a/third_party/libwebm/mkvmuxer/mkvwriter.cc
+++ b/third_party/libwebm/mkvmuxer/mkvwriter.cc
@@ -78,6 +78,8 @@ int32 MkvWriter::Position(int64 position) {
#ifdef _MSC_VER
return _fseeki64(file_, position, SEEK_SET);
+#elif defined(_WIN32)
+ return fseeko64(file_, static_cast<off_t>(position), SEEK_SET);
#else
return fseeko(file_, static_cast<off_t>(position), SEEK_SET);
#endif
diff --git a/third_party/libwebm/mkvparser/mkvparser.cc b/third_party/libwebm/mkvparser/mkvparser.cc
index 37f230d0a..dcb969dcf 100644
--- a/third_party/libwebm/mkvparser/mkvparser.cc
+++ b/third_party/libwebm/mkvparser/mkvparser.cc
@@ -22,12 +22,8 @@
#include "common/webmids.h"
-// disable deprecation warnings for auto_ptr
-#if defined(__GNUC__) && __GNUC__ >= 5
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-#endif
-
namespace mkvparser {
+const long long kStringElementSizeLimit = 20 * 1000 * 1000;
const float MasteringMetadata::kValueNotPresent = FLT_MAX;
const long long Colour::kValueNotPresent = LLONG_MAX;
const float Projection::kValueNotPresent = FLT_MAX;
@@ -40,8 +36,6 @@ inline bool isnan(double val) { return std::isnan(val); }
inline bool isinf(double val) { return std::isinf(val); }
#endif // MSC_COMPAT
-IMkvReader::~IMkvReader() {}
-
template <typename Type>
Type* SafeArrayAlloc(unsigned long long num_elements,
unsigned long long element_size) {
@@ -330,7 +324,7 @@ long UnserializeString(IMkvReader* pReader, long long pos, long long size,
delete[] str;
str = NULL;
- if (size >= LONG_MAX || size < 0)
+ if (size >= LONG_MAX || size < 0 || size > kStringElementSizeLimit)
return E_FILE_FORMAT_INVALID;
// +1 for '\0' terminator
@@ -5015,7 +5009,7 @@ bool MasteringMetadata::Parse(IMkvReader* reader, long long mm_start,
if (!reader || *mm)
return false;
- std::auto_ptr<MasteringMetadata> mm_ptr(new MasteringMetadata());
+ std::unique_ptr<MasteringMetadata> mm_ptr(new MasteringMetadata());
if (!mm_ptr.get())
return false;
@@ -5035,6 +5029,10 @@ bool MasteringMetadata::Parse(IMkvReader* reader, long long mm_start,
double value = 0;
const long long value_parse_status =
UnserializeFloat(reader, read_pos, child_size, value);
+ if (value < -FLT_MAX || value > FLT_MAX ||
+ (value > 0.0 && value < FLT_MIN)) {
+ return false;
+ }
mm_ptr->luminance_max = static_cast<float>(value);
if (value_parse_status < 0 || mm_ptr->luminance_max < 0.0 ||
mm_ptr->luminance_max > 9999.99) {
@@ -5044,6 +5042,10 @@ bool MasteringMetadata::Parse(IMkvReader* reader, long long mm_start,
double value = 0;
const long long value_parse_status =
UnserializeFloat(reader, read_pos, child_size, value);
+ if (value < -FLT_MAX || value > FLT_MAX ||
+ (value > 0.0 && value < FLT_MIN)) {
+ return false;
+ }
mm_ptr->luminance_min = static_cast<float>(value);
if (value_parse_status < 0 || mm_ptr->luminance_min < 0.0 ||
mm_ptr->luminance_min > 999.9999) {
@@ -5096,7 +5098,7 @@ bool Colour::Parse(IMkvReader* reader, long long colour_start,
if (!reader || *colour)
return false;
- std::auto_ptr<Colour> colour_ptr(new Colour());
+ std::unique_ptr<Colour> colour_ptr(new Colour());
if (!colour_ptr.get())
return false;
@@ -5194,7 +5196,7 @@ bool Projection::Parse(IMkvReader* reader, long long start, long long size,
if (!reader || *projection)
return false;
- std::auto_ptr<Projection> projection_ptr(new Projection());
+ std::unique_ptr<Projection> projection_ptr(new Projection());
if (!projection_ptr.get())
return false;
@@ -5270,6 +5272,7 @@ bool Projection::Parse(IMkvReader* reader, long long start, long long size,
VideoTrack::VideoTrack(Segment* pSegment, long long element_start,
long long element_size)
: Track(pSegment, element_start, element_size),
+ m_colour_space(NULL),
m_colour(NULL),
m_projection(NULL) {}
@@ -5295,6 +5298,7 @@ long VideoTrack::Parse(Segment* pSegment, const Info& info,
long long stereo_mode = 0;
double rate = 0.0;
+ char* colour_space = NULL;
IMkvReader* const pReader = pSegment->m_pReader;
@@ -5307,8 +5311,8 @@ long VideoTrack::Parse(Segment* pSegment, const Info& info,
const long long stop = pos + s.size;
- Colour* colour = NULL;
- Projection* projection = NULL;
+ std::unique_ptr<Colour> colour_ptr;
+ std::unique_ptr<Projection> projection_ptr;
while (pos < stop) {
long long id, size;
@@ -5357,11 +5361,23 @@ long VideoTrack::Parse(Segment* pSegment, const Info& info,
if (rate <= 0)
return E_FILE_FORMAT_INVALID;
} else if (id == libwebm::kMkvColour) {
- if (!Colour::Parse(pReader, pos, size, &colour))
+ Colour* colour = NULL;
+ if (!Colour::Parse(pReader, pos, size, &colour)) {
return E_FILE_FORMAT_INVALID;
+ } else {
+ colour_ptr.reset(colour);
+ }
} else if (id == libwebm::kMkvProjection) {
- if (!Projection::Parse(pReader, pos, size, &projection))
+ Projection* projection = NULL;
+ if (!Projection::Parse(pReader, pos, size, &projection)) {
return E_FILE_FORMAT_INVALID;
+ } else {
+ projection_ptr.reset(projection);
+ }
+ } else if (id == libwebm::kMkvColourSpace) {
+ const long status = UnserializeString(pReader, pos, size, colour_space);
+ if (status < 0)
+ return status;
}
pos += size; // consume payload
@@ -5392,8 +5408,9 @@ long VideoTrack::Parse(Segment* pSegment, const Info& info,
pTrack->m_display_unit = display_unit;
pTrack->m_stereo_mode = stereo_mode;
pTrack->m_rate = rate;
- pTrack->m_colour = colour;
- pTrack->m_projection = projection;
+ pTrack->m_colour = colour_ptr.release();
+ pTrack->m_colour_space = colour_space;
+ pTrack->m_projection = projection_ptr.release();
pResult = pTrack;
return 0; // success
@@ -7903,6 +7920,10 @@ long Block::Parse(const Cluster* pCluster) {
return E_FILE_FORMAT_INVALID;
curr.len = static_cast<long>(frame_size);
+ // Check if size + curr.len could overflow.
+ if (size > LLONG_MAX - curr.len) {
+ return E_FILE_FORMAT_INVALID;
+ }
size += curr.len; // contribution of this frame
--frame_count;
@@ -7964,6 +7985,11 @@ long long Block::GetTimeCode(const Cluster* pCluster) const {
const long long tc0 = pCluster->GetTimeCode();
assert(tc0 >= 0);
+ // Check if tc0 + m_timecode would overflow.
+ if (tc0 < 0 || LLONG_MAX - tc0 < m_timecode) {
+ return -1;
+ }
+
const long long tc = tc0 + m_timecode;
return tc; // unscaled timecode units
@@ -7981,6 +8007,10 @@ long long Block::GetTime(const Cluster* pCluster) const {
const long long scale = pInfo->GetTimeCodeScale();
assert(scale >= 1);
+ // Check if tc * scale could overflow.
+ if (tc != 0 && scale > LLONG_MAX / tc) {
+ return -1;
+ }
const long long ns = tc * scale;
return ns;
diff --git a/third_party/libwebm/mkvparser/mkvparser.h b/third_party/libwebm/mkvparser/mkvparser.h
index 26c2b7e5e..848d01f03 100644
--- a/third_party/libwebm/mkvparser/mkvparser.h
+++ b/third_party/libwebm/mkvparser/mkvparser.h
@@ -22,7 +22,7 @@ class IMkvReader {
virtual int Length(long long* total, long long* available) = 0;
protected:
- virtual ~IMkvReader();
+ virtual ~IMkvReader() {}
};
template <typename Type>
@@ -527,6 +527,8 @@ class VideoTrack : public Track {
Projection* GetProjection() const;
+ const char* GetColourSpace() const { return m_colour_space; }
+
private:
long long m_width;
long long m_height;
@@ -534,7 +536,7 @@ class VideoTrack : public Track {
long long m_display_height;
long long m_display_unit;
long long m_stereo_mode;
-
+ char* m_colour_space;
double m_rate;
Colour* m_colour;
diff --git a/third_party/libwebm/mkvparser/mkvreader.cc b/third_party/libwebm/mkvparser/mkvreader.cc
index 23d68f508..9d19c1be5 100644
--- a/third_party/libwebm/mkvparser/mkvreader.cc
+++ b/third_party/libwebm/mkvparser/mkvreader.cc
@@ -118,6 +118,8 @@ int MkvReader::Read(long long offset, long len, unsigned char* buffer) {
if (status)
return -1; // error
+#elif defined(_WIN32)
+ fseeko64(m_file, static_cast<off_t>(offset), SEEK_SET);
#else
fseeko(m_file, static_cast<off_t>(offset), SEEK_SET);
#endif
--
2.25.1
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