/src/boringssl/ssl/s3_lib.cc
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1 | | // Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. |
2 | | // Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
3 | | // Copyright 2005 Nokia. All rights reserved. |
4 | | // |
5 | | // Licensed under the Apache License, Version 2.0 (the "License"); |
6 | | // you may not use this file except in compliance with the License. |
7 | | // You may obtain a copy of the License at |
8 | | // |
9 | | // https://www.apache.org/licenses/LICENSE-2.0 |
10 | | // |
11 | | // Unless required by applicable law or agreed to in writing, software |
12 | | // distributed under the License is distributed on an "AS IS" BASIS, |
13 | | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
14 | | // See the License for the specific language governing permissions and |
15 | | // limitations under the License. |
16 | | |
17 | | #include <openssl/ssl.h> |
18 | | |
19 | | #include <assert.h> |
20 | | #include <string.h> |
21 | | |
22 | | #include <openssl/digest.h> |
23 | | #include <openssl/err.h> |
24 | | #include <openssl/md5.h> |
25 | | #include <openssl/mem.h> |
26 | | #include <openssl/nid.h> |
27 | | |
28 | | #include "../crypto/internal.h" |
29 | | #include "internal.h" |
30 | | |
31 | | |
32 | | BSSL_NAMESPACE_BEGIN |
33 | | |
34 | | SSL3_STATE::SSL3_STATE() |
35 | 118k | : skip_early_data(false), |
36 | 118k | v2_hello_done(false), |
37 | 118k | is_v2_hello(false), |
38 | 118k | has_message(false), |
39 | 118k | initial_handshake_complete(false), |
40 | 118k | session_reused(false), |
41 | 118k | send_connection_binding(false), |
42 | 118k | channel_id_valid(false), |
43 | 118k | key_update_pending(false), |
44 | 118k | early_data_accepted(false), |
45 | 118k | alert_dispatch(false), |
46 | 118k | renegotiate_pending(false), |
47 | 118k | used_hello_retry_request(false), |
48 | 118k | was_key_usage_invalid(false) {} |
49 | | |
50 | 118k | SSL3_STATE::~SSL3_STATE() {} |
51 | | |
52 | 118k | bool tls_new(SSL *ssl) { |
53 | 118k | UniquePtr<SSL3_STATE> s3 = MakeUnique<SSL3_STATE>(); |
54 | 118k | if (!s3) { |
55 | 0 | return false; |
56 | 0 | } |
57 | | |
58 | | // TODO(crbug.com/368805255): Fields that aren't used in DTLS should not be |
59 | | // allocated at all. |
60 | | // TODO(crbug.com/371998381): Don't create these in QUIC either, once the |
61 | | // placeholder QUIC ones for subsequent epochs are removed. |
62 | 118k | if (!SSL_is_dtls(ssl)) { |
63 | 77.2k | s3->aead_read_ctx = SSLAEADContext::CreateNullCipher(); |
64 | 77.2k | s3->aead_write_ctx = SSLAEADContext::CreateNullCipher(); |
65 | 77.2k | if (!s3->aead_read_ctx || !s3->aead_write_ctx) { |
66 | 0 | return false; |
67 | 0 | } |
68 | 77.2k | } |
69 | | |
70 | 118k | s3->hs = ssl_handshake_new(ssl); |
71 | 118k | if (!s3->hs) { |
72 | 0 | return false; |
73 | 0 | } |
74 | | |
75 | 118k | ssl->s3 = s3.release(); |
76 | 118k | return true; |
77 | 118k | } |
78 | | |
79 | 118k | void tls_free(SSL *ssl) { |
80 | 118k | if (ssl->s3 == nullptr) { |
81 | 0 | return; |
82 | 0 | } |
83 | | |
84 | 118k | Delete(ssl->s3); |
85 | 118k | ssl->s3 = nullptr; |
86 | 118k | } |
87 | | |
88 | | BSSL_NAMESPACE_END |