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fix integer overflow when parsing Perl-extended named backrefs

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Christian Mazakas
2025-02-27 09:00:12 -08:00
parent 34b1c2f615
commit f0ae2d8f57
3 changed files with 60 additions and 0 deletions
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54
test/issue245.cpp Normal file
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#include <boost/regex.hpp>
#include <vector>
#include <string>
#include "test_macros.hpp"
int main()
{
// invalid because \k-- is an unterminated token
{
char const strdata[] = "\\k--00000000000000000000000000000000000000000000000000000000009223372036854775807\xff\xff\xff\xff\xff\xff\xff\xef""99999999999999999999999999999999999]999999999999999\x90";
std::string regex_string(strdata, strdata + sizeof(strdata) - 1);
BOOST_TEST_THROWS((boost::regex(regex_string)), boost::regex_error);
}
{
char const strdata[] = "\\k-00000000000000000000000000000000000000000000000000000000009223372036854775807\xff\xff\xff\xff\xff\xff\xff\xef""99999999999999999999999999999999999]999999999999999\x90";
std::string regex_string(strdata, strdata + sizeof(strdata) - 1);
BOOST_TEST_THROWS((boost::regex(regex_string)), boost::regex_error);
}
{
char const strdata[] = "\\k00000000000000000000000000000000000000000000000000000000009223372036854775807\xff\xff\xff\xff\xff\xff\xff\xef""99999999999999999999999999999999999]999999999999999\x90";
std::string regex_string(strdata, strdata + sizeof(strdata) - 1);
BOOST_TEST_THROWS((boost::regex(regex_string)), boost::regex_error);
}
{
char const strdata[] = "a(b*)c\\k{--1}d";
std::string regex_string(strdata, strdata + sizeof(strdata) - 1);
BOOST_TEST_THROWS((boost::regex(regex_string)), boost::regex_error);
}
{
char const strdata[] = "a(b*)c\\k-{-1}d";
std::string regex_string(strdata, strdata + sizeof(strdata) - 1);
BOOST_TEST_THROWS((boost::regex(regex_string)), boost::regex_error);
}
{
char const strdata[] = "\\k{--00000000000000000000000000000000000000000000000000000000009223372036854775807}\xff\xff\xff\xff\xff\xff\xff\xef""99999999999999999999999999999999999]999999999999999\x90";
std::string regex_string(strdata, strdata + sizeof(strdata) - 1);
BOOST_TEST_THROWS((boost::regex(regex_string)), boost::regex_error);
}
{
char const strdata[] = "\\k{-00000000000000000000000000000000000000000000000000000000009223372036854775807}\xff\xff\xff\xff\xff\xff\xff\xef""99999999999999999999999999999999999]999999999999999\x90";
std::string regex_string(strdata, strdata + sizeof(strdata) - 1);
BOOST_TEST_THROWS((boost::regex(regex_string)), boost::regex_error);
}
{
char const strdata[] = "\\k{00000000000000000000000000000000000000000000000000000000009223372036854775807}\xff\xff\xff\xff\xff\xff\xff\xef""99999999999999999999999999999999999]999999999999999\x90";
std::string regex_string(strdata, strdata + sizeof(strdata) - 1);
BOOST_TEST_THROWS((boost::regex(regex_string)), boost::regex_error);
}
return boost::report_errors();
}