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nghttpx: Fix heap-use-after-free bug in http/1 frontend 

This is a regression introduced in
4be4d875f3
This commit is contained in:
Tatsuhiro Tsujikawa 2015-05-05 23:43:56 +09:00
parent bc0190c19f
commit 7ecca39025
1 changed files with 6 additions and 5 deletions
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11
src/shrpx_https_upstream.cc
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@ -271,9 +271,11 @@ int htp_hdrs_completecb(http_parser *htp) {
if (downstream->get_request_method() != "CONNECT") {
http_parser_url u{};
auto uri = downstream->get_request_path().c_str();
rv = http_parser_parse_url(uri, downstream->get_request_path().size(), 0,
&u);
// make a copy of request path, since we may set request path
// while we are refering to original request path.
auto uri = downstream->get_request_path();
rv = http_parser_parse_url(uri.c_str(),
downstream->get_request_path().size(), 0, &u);
if (rv != 0) {
// Expect to respond with 400 bad request
return -1;
@ -285,8 +287,7 @@ int htp_hdrs_completecb(http_parser *htp) {
return -1;
}
} else {
rewrite_request_host_path_from_uri(downstream, uri, u);
// uri could be invalidated here
rewrite_request_host_path_from_uri(downstream, uri.c_str(), u);
}
}