tls_wrap: DRY ClientHelloParser

Share ClientHelloParser code between `tls_wrap.cc` and `node_crypto.cc`.

fix #5959

1 files changed, 74 insertions, 0 deletions

diff --git a/src/node_crypto_clienthello-inl.h b/src/node_crypto_clienthello-inl.h
new file mode 100644
index 0000000000..82c0d2782c
--- /dev/null
+++ b/src/node_crypto_clienthello-inl.h
@@ -0,0 +1,74 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SRC_NODE_CRYPTO_CLIENTHELLO_INL_H_
+#define SRC_NODE_CRYPTO_CLIENTHELLO_INL_H_
+
+#include <assert.h>
+
+namespace node {
+
+inline void ClientHelloParser::Reset() {
+  frame_len_ = 0;
+  body_offset_ = 0;
+  extension_offset_ = 0;
+  session_size_ = 0;
+  session_id_ = NULL;
+  tls_ticket_size_ = -1;
+  tls_ticket_ = NULL;
+}
+
+inline void ClientHelloParser::Start(ClientHelloParser::OnHelloCb onhello_cb,
+                                     ClientHelloParser::OnEndCb onend_cb,
+                                     void* onend_arg) {
+  if (!IsEnded())
+    return;
+  Reset();
+
+  assert(onhello_cb != NULL);
+
+  state_ = kWaiting;
+  onhello_cb_ = onhello_cb;
+  onend_cb_ = onend_cb;
+  cb_arg_ = onend_arg;
+}
+
+inline void ClientHelloParser::End() {
+  if (state_ == kEnded)
+    return;
+  state_ = kEnded;
+  if (onend_cb_ != NULL) {
+    onend_cb_(cb_arg_);
+    onend_cb_ = NULL;
+  }
+}
+
+inline bool ClientHelloParser::IsEnded() const {
+  return state_ == kEnded;
+}
+
+inline bool ClientHelloParser::IsPaused() const {
+  return state_ == kPaused;
+}
+
+}  // namespace node
+
+#endif  // SRC_NODE_CRYPTO_CLIENTHELLO_INL_H_