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check all BSON reads and add an EOF check for booleans (#5332)

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Signed-off-by: Yash Bavadiya <krbavadiya11@gmail.com>
This commit is contained in:
Yash Bavadiya
2026-07-30 23:44:31 +02:00
committed by GitHub
parent 868506dcc0
commit dd24e2dffd
3 changed files with 63 additions and 8 deletions
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include/nlohmann/detail/input/binary_reader.hpp
+14 -4
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@@ -197,7 +197,10 @@ class binary_reader
{
const std::size_t document_start = chars_read;
std::int32_t document_size{};
get_number<std::int32_t, true>(input_format_t::bson, document_size);
if (!get_number<std::int32_t, true>(input_format_t::bson, document_size))
{
return false;
}
if (JSON_HEDLEY_UNLIKELY(!sax->start_object(detail::unknown_size())))
{
@@ -287,7 +290,10 @@ class binary_reader
// All BSON binary values have a subtype
std::uint8_t subtype{};
get_number<std::uint8_t>(input_format_t::bson, subtype);
if (JSON_HEDLEY_UNLIKELY(!get_number<std::uint8_t>(input_format_t::bson, subtype)))
{
return false;
}
result.set_subtype(subtype);
return get_binary(input_format_t::bson, len, result);
@@ -340,7 +346,8 @@ class binary_reader
case 0x08: // boolean
{
return sax->boolean(get() != 0);
std::uint8_t value{};
return get_number<std::uint8_t>(input_format_t::bson, value) && sax->boolean(value != 0);
}
case 0x0A: // null
@@ -431,7 +438,10 @@ class binary_reader
{
const std::size_t document_start = chars_read;
std::int32_t document_size{};
get_number<std::int32_t, true>(input_format_t::bson, document_size);
if (!get_number<std::int32_t, true>(input_format_t::bson, document_size))
{
return false;
}
if (JSON_HEDLEY_UNLIKELY(!sax->start_array(detail::unknown_size())))
{