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1 // Copyright Joyent, Inc. and other Node contributors.
2 //
3 // Permission is hereby granted, free of charge, to any person obtaining a
4 // copy of this software and associated documentation files (the
5 // "Software"), to deal in the Software without restriction, including
6 // without limitation the rights to use, copy, modify, merge, publish,
7 // distribute, sublicense, and/or sell copies of the Software, and to permit
8 // persons to whom the Software is furnished to do so, subject to the
9 // following conditions:
10 //
11 // The above copyright notice and this permission notice shall be included
12 // in all copies or substantial portions of the Software.
13 //
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17 // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 // USE OR OTHER DEALINGS IN THE SOFTWARE.
21 
22 #ifndef SRC_CRYPTO_CRYPTO_CLIENTHELLO_INL_H_
23 #define SRC_CRYPTO_CRYPTO_CLIENTHELLO_INL_H_
24 
25 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
26 
27 #include "crypto/crypto_clienthello.h"
28 #include "util.h"
29 
30 namespace node {
31 namespace crypto {
ClientHelloParser()32 inline ClientHelloParser::ClientHelloParser()
33     : state_(kEnded),
34       onhello_cb_(nullptr),
35       onend_cb_(nullptr),
36       cb_arg_(nullptr) {
37   Reset();
38 }
39 
Reset()40 inline void ClientHelloParser::Reset() {
41   frame_len_ = 0;
42   body_offset_ = 0;
43   extension_offset_ = 0;
44   session_size_ = 0;
45   session_id_ = nullptr;
46   tls_ticket_size_ = -1;
47   tls_ticket_ = nullptr;
48   servername_size_ = 0;
49   servername_ = nullptr;
50 }
51 
Start(ClientHelloParser::OnHelloCb onhello_cb,ClientHelloParser::OnEndCb onend_cb,void * cb_arg)52 inline void ClientHelloParser::Start(ClientHelloParser::OnHelloCb onhello_cb,
53                                      ClientHelloParser::OnEndCb onend_cb,
54                                      void* cb_arg) {
55   if (!IsEnded())
56     return;
57   Reset();
58 
59   CHECK_NOT_NULL(onhello_cb);
60 
61   state_ = kWaiting;
62   onhello_cb_ = onhello_cb;
63   onend_cb_ = onend_cb;
64   cb_arg_ = cb_arg;
65 }
66 
End()67 inline void ClientHelloParser::End() {
68   if (state_ == kEnded)
69     return;
70   state_ = kEnded;
71   if (onend_cb_ != nullptr) {
72     onend_cb_(cb_arg_);
73     onend_cb_ = nullptr;
74   }
75 }
76 
IsEnded()77 inline bool ClientHelloParser::IsEnded() const {
78   return state_ == kEnded;
79 }
80 
IsPaused()81 inline bool ClientHelloParser::IsPaused() const {
82   return state_ == kPaused;
83 }
84 
85 }  // namespace crypto
86 }  // namespace node
87 
88 #endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
89 
90 #endif  // SRC_CRYPTO_CRYPTO_CLIENTHELLO_INL_H_
91