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Fail if hash is unclosed at start

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This commit is contained in:
John Keiser
2020-08-12 10:33:34 -07:00
parent fa355603fb
commit 07c2fe726e
1 changed files with 17 additions and 8 deletions
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src/generic/stage2/structural_parser.h
+17 -8
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@@ -114,18 +114,27 @@ WARN_UNUSED really_inline error_code structural_parser::parse(T &builder) noexce
//
{
const uint8_t *value = advance();
switch (*value) {
case '{': if (!empty_object(builder)) { goto object_begin; }; break;
case '[': {
// Make sure the outer array is closed before continuing; otherwise, there are ways we could get
// into memory corruption. See https://github.com/simdjson/simdjson/issues/906
if (!STREAMING) {
// Make sure the outer hash or array is closed before continuing; otherwise, there are ways we
// could get into memory corruption. See https://github.com/simdjson/simdjson/issues/906
if (!STREAMING) {
switch (*value) {
case '{':
if (buf[dom_parser.structural_indexes[dom_parser.n_structural_indexes - 1]] != '}') {
return TAPE_ERROR;
}
break;
case '[':
if (buf[dom_parser.structural_indexes[dom_parser.n_structural_indexes - 1]] != ']') {
return TAPE_ERROR;
}
}
if (!empty_array(builder)) { goto array_begin; }; break;
break;
}
}
switch (*value) {
case '{': if (!empty_object(builder)) { goto object_begin; }; break;
case '[': if (!empty_array(builder)) { goto array_begin; }; break;
default: SIMDJSON_TRY( builder.parse_root_primitive(*this, value) );
}
goto document_end;