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fix: -Wunsafe-buffer-usage warnings in asar file IO (#43649)

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* fix: -Wunsafe-buffer-usage warnings in ScopedTemporaryFile::InitFromFile()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* fix: -Wunsafe-buffer-usage warnings in Archive::Init()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

---------

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Charles Kerr <charles@charleskerr.com>
This commit is contained in:
trop[bot] 2024-09-09 17:58:41 -05:00 committed by GitHub
parent e4113ddd69
commit f6bc0b0953
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GPG key ID: B5690EEEBB952194
2 changed files with 15 additions and 25 deletions
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27
shell/common/asar/archive.cc
View file

@ -201,22 +201,19 @@ bool Archive::Init() {
return false;
}
std::vector<char> buf;
int len;
std::vector<uint8_t> buf;
buf.resize(8);
{
electron::ScopedAllowBlockingForElectron allow_blocking;
len = file_.ReadAtCurrentPos(buf.data(), buf.size());
}
if (len != static_cast<int>(buf.size())) {
PLOG(ERROR) << "Failed to read header size from " << path_.value();
return false;
if (!file_.ReadAtCurrentPosAndCheck(buf)) {
PLOG(ERROR) << "Failed to read header size from " << path_.value();
return false;
}
}
uint32_t size;
if (!base::PickleIterator(base::Pickle::WithData(base::as_byte_span(buf)))
.ReadUInt32(&size)) {
if (!base::PickleIterator(base::Pickle::WithData(buf)).ReadUInt32(&size)) {
LOG(ERROR) << "Failed to parse header size from " << path_.value();
return false;
}
@ -224,16 +221,14 @@ bool Archive::Init() {
buf.resize(size);
{
electron::ScopedAllowBlockingForElectron allow_blocking;
len = file_.ReadAtCurrentPos(buf.data(), buf.size());
}
if (len != static_cast<int>(buf.size())) {
PLOG(ERROR) << "Failed to read header from " << path_.value();
return false;
if (!file_.ReadAtCurrentPosAndCheck(buf)) {
PLOG(ERROR) << "Failed to read header from " << path_.value();
return false;
}
}
std::string header;
if (!base::PickleIterator(base::Pickle::WithData(base::as_byte_span(buf)))
.ReadString(&header)) {
if (!base::PickleIterator(base::Pickle::WithData(buf)).ReadString(&header)) {
LOG(ERROR) << "Failed to parse header from " << path_.value();
return false;
}

13
shell/common/asar/scoped_temporary_file.cc
View file

@ -63,20 +63,15 @@ bool ScopedTemporaryFile::InitFromFile(
return false;
electron::ScopedAllowBlockingForElectron allow_blocking;
std::vector<char> buf(size);
int len = src->Read(offset, buf.data(), buf.size());
if (len != static_cast<int>(size))
std::vector<uint8_t> buf(size);
if (!src->ReadAndCheck(offset, buf))
return false;
if (integrity)
ValidateIntegrityOrDie(base::as_byte_span(buf), *integrity);
ValidateIntegrityOrDie(buf, *integrity);
base::File dest(path_, base::File::FLAG_OPEN | base::File::FLAG_WRITE);
if (!dest.IsValid())
return false;
return dest.WriteAtCurrentPos(buf.data(), buf.size()) ==
static_cast<int>(size);
return dest.IsValid() && dest.WriteAtCurrentPosAndCheck(buf);
}
} // namespace asar