Merge pull request #4090

42f3b7c http_protocol_handler: catch invalid numbers when parsing (moneromooo-monero)
0a4a7da http_protocol_handler: fix HTTP/x.y parsing (moneromooo-monero)
This commit is contained in:
luigi1111 2018-08-15 17:08:10 -05:00
commit dd966c8a3a
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1 changed files with 13 additions and 5 deletions

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@ -328,8 +328,10 @@ namespace net_utils
inline bool analize_http_method(const boost::smatch& result, http::http_method& method, int& http_ver_major, int& http_ver_minor)
{
CHECK_AND_ASSERT_MES(result[0].matched, false, "simple_http_connection_handler::analize_http_method() assert failed...");
http_ver_major = boost::lexical_cast<int>(result[11]);
http_ver_minor = boost::lexical_cast<int>(result[12]);
if (!boost::conversion::try_lexical_convert<int>(result[11], http_ver_major))
return false;
if (!boost::conversion::try_lexical_convert<int>(result[12], http_ver_minor))
return false;
if(result[3].matched)
method = http::http_method_options;
@ -351,13 +353,18 @@ namespace net_utils
template<class t_connection_context>
bool simple_http_connection_handler<t_connection_context>::handle_invoke_query_line()
{
STATIC_REGEXP_EXPR_1(rexp_match_command_line, "^(((OPTIONS)|(GET)|(HEAD)|(POST)|(PUT)|(DELETE)|(TRACE)) (\\S+) HTTP/(\\d+).(\\d+))\r?\n", boost::regex::icase | boost::regex::normal);
STATIC_REGEXP_EXPR_1(rexp_match_command_line, "^(((OPTIONS)|(GET)|(HEAD)|(POST)|(PUT)|(DELETE)|(TRACE)) (\\S+) HTTP/(\\d+)\\.(\\d+))\r?\n", boost::regex::icase | boost::regex::normal);
// 123 4 5 6 7 8 9 10 11 12
//size_t match_len = 0;
boost::smatch result;
if(boost::regex_search(m_cache, result, rexp_match_command_line, boost::match_default) && result[0].matched)
{
analize_http_method(result, m_query_info.m_http_method, m_query_info.m_http_ver_hi, m_query_info.m_http_ver_hi);
if (!analize_http_method(result, m_query_info.m_http_method, m_query_info.m_http_ver_hi, m_query_info.m_http_ver_hi))
{
m_state = http_state_error;
MERROR("Failed to analyze method");
return false;
}
m_query_info.m_URI = result[10];
if (!parse_uri(m_query_info.m_URI, m_query_info.m_uri_content))
{
@ -554,7 +561,8 @@ namespace net_utils
if(!(boost::regex_search( str, result, rexp_mach_field, boost::match_default) && result[0].matched))
return false;
len = boost::lexical_cast<size_t>(result[0]);
try { len = boost::lexical_cast<size_t>(result[0]); }
catch(...) { return false; }
return true;
}
//-----------------------------------------------------------------------------------