thiru-mg commented on code in PR #2831:
URL: https://github.com/apache/avro/pull/2831#discussion_r1547854046
##########
lang/c++/impl/json/JsonIO.cc:
##########
@@ -344,29 +370,49 @@ string JsonParser::decodeString(const string &s, bool
binary) {
case 'u':
case 'U': {
uint32_t n = 0;
- char e[4];
- for (char &i : e) {
- n *= 16;
- char c = *++it;
- i = c;
- if (isdigit(c)) {
- n += c - '0';
- } else if (c >= 'a' && c <= 'f') {
- n += c - 'a' + 10;
- } else if (c >= 'A' && c <= 'F') {
- n += c - 'A' + 10;
- }
- }
+ it = unicodeParse(it, s.end(), n);
if (binary) {
if (n > 0xff) {
throw Exception(boost::format(
"Invalid byte for binary:
%1%%2%")
- % ch % string(e, 4));
+ % ch % string(startSeq, ++it));
} else {
result.push_back(n);
continue;
}
}
+ if (n >= 0xd800) {
+ ++it;
+ if (n > 0xdbff || it == s.end()) {
+ throw Exception(boost::format(
+ "Invalid unicode sequence:
%1%")
+ % string(startSeq, it));
Review Comment:
Again, nice catch. Fixed it.
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