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🔨 a lot of restructuring

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- removed uncached input stream adapter; it was too slow anyway
- implemented a class binary_read which parses CBOR based on input
adapters
- in the CBOR parser, numbers are created via memcpy to avoid undefined
behavior
This commit is contained in:
Niels Lohmann
2017-04-02 18:46:21 +02:00
parent 3a5cf9bd0a
commit 89efe627fe
4 changed files with 948 additions and 423 deletions
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22
test/src/unit-regression.cpp
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@ -629,7 +629,7 @@ TEST_CASE("regression tests")
std::vector<uint8_t> vec {0x65, 0xf5, 0x0a, 0x48, 0x21};
CHECK_THROWS_AS(json::from_cbor(vec), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec),
"[json.exception.parse_error.110] parse error at 2: cannot read 5 bytes from vector");
"[json.exception.parse_error.110] parse error at 6: unexpected end of input");
}
SECTION("issue #407 - Heap-buffer-overflow (OSS-Fuzz issue 343)")
@ -650,19 +650,19 @@ TEST_CASE("regression tests")
std::vector<uint8_t> vec3 {0xf9, 0x8f};
CHECK_THROWS_AS(json::from_cbor(vec3), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec3),
"[json.exception.parse_error.110] parse error at 2: cannot read 2 bytes from vector");
"[json.exception.parse_error.110] parse error at 3: unexpected end of input");
// related test case: incomplete Single-Precision Float (CBOR)
std::vector<uint8_t> vec4 {0xfa, 0x8f, 0x0a};
CHECK_THROWS_AS(json::from_cbor(vec4), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec4),
"[json.exception.parse_error.110] parse error at 2: cannot read 4 bytes from vector");
"[json.exception.parse_error.110] parse error at 4: unexpected end of input");
// related test case: incomplete Double-Precision Float (CBOR)
std::vector<uint8_t> vec5 {0xfb, 0x8f, 0x0a};
CHECK_THROWS_AS(json::from_cbor(vec5), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec5),
"[json.exception.parse_error.110] parse error at 2: cannot read 8 bytes from vector");
"[json.exception.parse_error.110] parse error at 4: unexpected end of input");
}
SECTION("issue #408 - Heap-buffer-overflow (OSS-Fuzz issue 344)")
@ -705,7 +705,7 @@ TEST_CASE("regression tests")
std::vector<uint8_t> vec2;
CHECK_THROWS_AS(json::from_cbor(vec2), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec2),
"[json.exception.parse_error.110] parse error at 1: cannot read 1 bytes from vector");
"[json.exception.parse_error.110] parse error at 1: unexpected end of input");
CHECK_THROWS_AS(json::from_msgpack(vec2), json::parse_error);
CHECK_THROWS_WITH(json::from_msgpack(vec2),
"[json.exception.parse_error.110] parse error at 1: cannot read 1 bytes from vector");
@ -717,19 +717,19 @@ TEST_CASE("regression tests")
std::vector<uint8_t> vec1 {0x7f};
CHECK_THROWS_AS(json::from_cbor(vec1), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec1),
"[json.exception.parse_error.110] parse error at 2: cannot read 1 bytes from vector");
"[json.exception.parse_error.110] parse error at 2: unexpected end of input");
// related test case: empty array (indefinite length)
std::vector<uint8_t> vec2 {0x9f};
CHECK_THROWS_AS(json::from_cbor(vec2), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec2),
"[json.exception.parse_error.110] parse error at 2: cannot read 1 bytes from vector");
"[json.exception.parse_error.110] parse error at 2: unexpected end of input");
// related test case: empty map (indefinite length)
std::vector<uint8_t> vec3 {0xbf};
CHECK_THROWS_AS(json::from_cbor(vec3), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec3),
"[json.exception.parse_error.110] parse error at 2: cannot read 1 bytes from vector");
"[json.exception.parse_error.110] parse error at 2: unexpected end of input");
}
SECTION("issue #412 - Heap-buffer-overflow (OSS-Fuzz issue 367)")
@ -763,19 +763,19 @@ TEST_CASE("regression tests")
std::vector<uint8_t> vec1 {0x7f, 0x61, 0x61};
CHECK_THROWS_AS(json::from_cbor(vec1), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec1),
"[json.exception.parse_error.110] parse error at 4: cannot read 1 bytes from vector");
"[json.exception.parse_error.110] parse error at 4: unexpected end of input");
// related test case: nonempty array (indefinite length)
std::vector<uint8_t> vec2 {0x9f, 0x01};
CHECK_THROWS_AS(json::from_cbor(vec2), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec2),
"[json.exception.parse_error.110] parse error at 3: cannot read 1 bytes from vector");
"[json.exception.parse_error.110] parse error at 3: unexpected end of input");
// related test case: nonempty map (indefinite length)
std::vector<uint8_t> vec3 {0xbf, 0x61, 0x61, 0x01};
CHECK_THROWS_AS(json::from_cbor(vec3), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(vec3),
"[json.exception.parse_error.110] parse error at 5: cannot read 1 bytes from vector");
"[json.exception.parse_error.110] parse error at 5: unexpected end of input");
}
SECTION("issue #414 - compare with literal 0)")