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Fix nlohmann/json#3513, explain is_ndarray flag (#3514)

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* Fix nlohmann/json#3513, explain is_ndarray flag

* add test for ndarray size following H
This commit is contained in:
Qianqian Fang 2022-06-03 02:51:33 -04:00 committed by GitHub
parent 6b97599a27
commit 046927cc29
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 41 additions and 29 deletions
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28
include/nlohmann/detail/input/binary_reader.hpp
View File

@ -1938,9 +1938,9 @@ class binary_reader
{
std::pair<std::size_t, char_int_type> size_and_type;
size_t dimlen = 0;
bool inside_ndarray = true;
bool no_ndarray = true;
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type, inside_ndarray)))
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type, no_ndarray)))
{
return false;
}
@ -1953,7 +1953,7 @@ class binary_reader
{
for (std::size_t i = 0; i < size_and_type.first; ++i)
{
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, inside_ndarray, size_and_type.second)))
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, no_ndarray, size_and_type.second)))
{
return false;
}
@ -1965,7 +1965,7 @@ class binary_reader
{
for (std::size_t i = 0; i < size_and_type.first; ++i)
{
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, inside_ndarray)))
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, no_ndarray)))
{
return false;
}
@ -1977,7 +1977,7 @@ class binary_reader
{
while (current != ']')
{
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, inside_ndarray, current)))
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, no_ndarray, current)))
{
return false;
}
@ -1990,12 +1990,16 @@ class binary_reader
/*!
@param[out] result determined size
@param[in,out] inside_ndarray whether the parser is parsing an ND array dimensional vector
@param[in,out] is_ndarray for input, `true` means already inside an ndarray vector
or ndarray dimension is not allowed; `false` means ndarray
is allowed; for output, `true` means an ndarray is found;
is_ndarray can only return `true` when its initial value
is `false`
@param[in] prefix type marker if already read, otherwise set to 0
@return whether size determination completed
*/
bool get_ubjson_size_value(std::size_t& result, bool& inside_ndarray, char_int_type prefix = 0)
bool get_ubjson_size_value(std::size_t& result, bool& is_ndarray, char_int_type prefix = 0)
{
if (prefix == 0)
{
@ -2130,9 +2134,9 @@ class binary_reader
{
break;
}
if (inside_ndarray) // ndarray dimensional vector can only contain integers, and can not embed another array
if (is_ndarray) // ndarray dimensional vector can only contain integers, and can not embed another array
{
return sax->parse_error(chars_read, get_token_string(), parse_error::create(113, chars_read, exception_message(input_format, "ndarray dimention vector can only contain integers", "size"), nullptr));
return sax->parse_error(chars_read, get_token_string(), parse_error::create(113, chars_read, exception_message(input_format, "ndarray dimentional vector is not allowed", "size"), nullptr));
}
std::vector<size_t> dim;
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_ndarray_size(dim)))
@ -2169,7 +2173,7 @@ class binary_reader
return false;
}
}
inside_ndarray = true;
is_ndarray = true;
return sax->end_array();
}
result = 0;
@ -2650,8 +2654,8 @@ class binary_reader
{
// get size of following number string
std::size_t size{};
bool inside_ndarray = false;
auto res = get_ubjson_size_value(size, inside_ndarray);
bool no_ndarray = true;
auto res = get_ubjson_size_value(size, no_ndarray);
if (JSON_HEDLEY_UNLIKELY(!res))
{
return res;

28
single_include/nlohmann/json.hpp
View File

@ -10528,9 +10528,9 @@ class binary_reader
{
std::pair<std::size_t, char_int_type> size_and_type;
size_t dimlen = 0;
bool inside_ndarray = true;
bool no_ndarray = true;
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type, inside_ndarray)))
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type, no_ndarray)))
{
return false;
}
@ -10543,7 +10543,7 @@ class binary_reader
{
for (std::size_t i = 0; i < size_and_type.first; ++i)
{
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, inside_ndarray, size_and_type.second)))
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, no_ndarray, size_and_type.second)))
{
return false;
}
@ -10555,7 +10555,7 @@ class binary_reader
{
for (std::size_t i = 0; i < size_and_type.first; ++i)
{
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, inside_ndarray)))
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, no_ndarray)))
{
return false;
}
@ -10567,7 +10567,7 @@ class binary_reader
{
while (current != ']')
{
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, inside_ndarray, current)))
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_value(dimlen, no_ndarray, current)))
{
return false;
}
@ -10580,12 +10580,16 @@ class binary_reader
/*!
@param[out] result determined size
@param[in,out] inside_ndarray whether the parser is parsing an ND array dimensional vector
@param[in,out] is_ndarray for input, `true` means already inside an ndarray vector
or ndarray dimension is not allowed; `false` means ndarray
is allowed; for output, `true` means an ndarray is found;
is_ndarray can only return `true` when its initial value
is `false`
@param[in] prefix type marker if already read, otherwise set to 0
@return whether size determination completed
*/
bool get_ubjson_size_value(std::size_t& result, bool& inside_ndarray, char_int_type prefix = 0)
bool get_ubjson_size_value(std::size_t& result, bool& is_ndarray, char_int_type prefix = 0)
{
if (prefix == 0)
{
@ -10720,9 +10724,9 @@ class binary_reader
{
break;
}
if (inside_ndarray) // ndarray dimensional vector can only contain integers, and can not embed another array
if (is_ndarray) // ndarray dimensional vector can only contain integers, and can not embed another array
{
return sax->parse_error(chars_read, get_token_string(), parse_error::create(113, chars_read, exception_message(input_format, "ndarray dimention vector can only contain integers", "size"), nullptr));
return sax->parse_error(chars_read, get_token_string(), parse_error::create(113, chars_read, exception_message(input_format, "ndarray dimentional vector is not allowed", "size"), nullptr));
}
std::vector<size_t> dim;
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_ndarray_size(dim)))
@ -10759,7 +10763,7 @@ class binary_reader
return false;
}
}
inside_ndarray = true;
is_ndarray = true;
return sax->end_array();
}
result = 0;
@ -11240,8 +11244,8 @@ class binary_reader
{
// get size of following number string
std::size_t size{};
bool inside_ndarray = false;
auto res = get_ubjson_size_value(size, inside_ndarray);
bool no_ndarray = true;
auto res = get_ubjson_size_value(size, no_ndarray);
if (JSON_HEDLEY_UNLIKELY(!res))
{
return res;

14
tests/src/unit-bjdata.cpp
View File

@ -2541,7 +2541,7 @@ TEST_CASE("BJData")
CHECK(json::from_bjdata(vI, true, false).is_discarded());
}
SECTION("do not accept NTFZ markers in ndarray optimized type")
SECTION("do not accept NTFZ markers in ndarray optimized type (with count)")
{
json _;
std::vector<uint8_t> v_N = {'[', '$', 'N', '#', '[', '#', 'i', 2, 'i', 1, 'i', 2};
@ -2562,7 +2562,7 @@ TEST_CASE("BJData")
CHECK(json::from_bjdata(v_Z, true, false).is_discarded());
}
SECTION("do not accept NTFZ markers in ndarray optimized type")
SECTION("do not accept NTFZ markers in ndarray optimized type (without count)")
{
json _;
std::vector<uint8_t> v_N = {'[', '$', 'N', '#', '[', 'i', 1, 'i', 2, ']'};
@ -2746,7 +2746,7 @@ TEST_CASE("BJData")
CHECK(json::from_bjdata(vh, true, false).is_discarded());
std::vector<uint8_t> vR = {'[', '$', 'i', '#', '[', 'i', 1, '[', ']', ']', 1};
CHECK_THROWS_WITH_AS(_ = json::from_bjdata(vR), "[json.exception.parse_error.113] parse error at byte 8: syntax error while parsing BJData size: ndarray dimention vector can only contain integers", json::parse_error&);
CHECK_THROWS_WITH_AS(_ = json::from_bjdata(vR), "[json.exception.parse_error.113] parse error at byte 8: syntax error while parsing BJData size: ndarray dimentional vector is not allowed", json::parse_error&);
CHECK(json::from_bjdata(vR, true, false).is_discarded());
std::vector<uint8_t> vRo = {'[', '$', 'i', '#', '[', 'i', 0, '{', '}', ']', 1};
@ -2754,7 +2754,7 @@ TEST_CASE("BJData")
CHECK(json::from_bjdata(vRo, true, false).is_discarded());
std::vector<uint8_t> vR1 = {'[', '$', 'i', '#', '[', '[', 'i', 1, ']', ']', 1};
CHECK_THROWS_WITH_AS(_ = json::from_bjdata(vR1), "[json.exception.parse_error.113] parse error at byte 6: syntax error while parsing BJData size: ndarray dimention vector can only contain integers", json::parse_error&);
CHECK_THROWS_WITH_AS(_ = json::from_bjdata(vR1), "[json.exception.parse_error.113] parse error at byte 6: syntax error while parsing BJData size: ndarray dimentional vector is not allowed", json::parse_error&);
CHECK(json::from_bjdata(vR1, true, false).is_discarded());
std::vector<uint8_t> vR2 = {'[', '$', 'i', '#', '[', '#', '[', 'i', 1, ']', ']', 1};
@ -2770,12 +2770,16 @@ TEST_CASE("BJData")
CHECK(json::from_bjdata(vR4, true, false).is_discarded());
std::vector<uint8_t> vR5 = {'[', '$', 'i', '#', '[', '[', '[', ']', ']', ']'};
CHECK_THROWS_WITH_AS(_ = json::from_bjdata(vR5), "[json.exception.parse_error.113] parse error at byte 6: syntax error while parsing BJData size: ndarray dimention vector can only contain integers", json::parse_error&);
CHECK_THROWS_WITH_AS(_ = json::from_bjdata(vR5), "[json.exception.parse_error.113] parse error at byte 6: syntax error while parsing BJData size: ndarray dimentional vector is not allowed", json::parse_error&);
CHECK(json::from_bjdata(vR5, true, false).is_discarded());
std::vector<uint8_t> vR6 = {'[', '$', 'i', '#', '[', '$', 'i', '#', '[', 'i', '2', 'i', 2, ']'};
CHECK_THROWS_WITH_AS(_ = json::from_bjdata(vR6), "[json.exception.parse_error.112] parse error at byte 14: syntax error while parsing BJData size: ndarray can not be recursive", json::parse_error&);
CHECK(json::from_bjdata(vR6, true, false).is_discarded());
std::vector<uint8_t> vH = {'[', 'H', '[', '#', '[', '$', 'i', '#', '[', 'i', '2', 'i', 2, ']'};
CHECK_THROWS_WITH_AS(_ = json::from_bjdata(vH), "[json.exception.parse_error.113] parse error at byte 3: syntax error while parsing BJData size: ndarray dimentional vector is not allowed", json::parse_error&);
CHECK(json::from_bjdata(vH, true, false).is_discarded());
}
SECTION("objects")