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nghttpx: Drop connection if client hello is too large

This commit is contained in:
Tatsuhiro Tsujikawa 2015-08-10 00:29:43 +09:00
parent ff44e211ed
commit 8410f684fb
1 changed files with 9 additions and 0 deletions
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9
src/shrpx_connection.cc
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@ -306,6 +306,15 @@ int Connection::tls_handshake() {
// We have limited space for read buffer, so stop reading if it // We have limited space for read buffer, so stop reading if it
// filled up. // filled up.
if (tls.rb->wleft() == 0) { if (tls.rb->wleft() == 0) {
if (tls.handshake_state != TLS_CONN_WRITE_STARTED) {
// Reading 16KiB before writing server hello is unlikely for
// ordinary client.
if (LOG_ENABLED(INFO)) {
LOG(INFO) << "tls: client hello is too large";
}
return -1;
}
rlimit.stopw(); rlimit.stopw();
ev_timer_stop(loop, &rt); ev_timer_stop(loop, &rt);
} }