1/*
2 * libjingle
3 * Copyright 2015 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "talk/app/webrtc/dtlsidentitystore.h"
29
30#include "talk/app/webrtc/webrtcsessiondescriptionfactory.h"
31#include "webrtc/base/gunit.h"
32#include "webrtc/base/logging.h"
33#include "webrtc/base/ssladapter.h"
34
35using webrtc::DtlsIdentityStoreImpl;
36
37static const int kTimeoutMs = 10000;
38
39class MockDtlsIdentityRequestObserver :
40    public webrtc::DtlsIdentityRequestObserver {
41 public:
42  MockDtlsIdentityRequestObserver()
43      : call_back_called_(false), last_request_success_(false) {}
44  void OnFailure(int error) override {
45    EXPECT_FALSE(call_back_called_);
46    call_back_called_ = true;
47    last_request_success_ = false;
48  }
49  void OnSuccess(const std::string& der_cert,
50                 const std::string& der_private_key) override {
51    LOG(LS_WARNING) << "The string version of OnSuccess is called unexpectedly";
52    EXPECT_TRUE(false);
53  }
54  void OnSuccess(rtc::scoped_ptr<rtc::SSLIdentity> identity) override {
55    EXPECT_FALSE(call_back_called_);
56    call_back_called_ = true;
57    last_request_success_ = true;
58  }
59
60  void Reset() {
61    call_back_called_ = false;
62    last_request_success_ = false;
63  }
64
65  bool LastRequestSucceeded() const {
66    return call_back_called_ && last_request_success_;
67  }
68
69  bool call_back_called() const {
70    return call_back_called_;
71  }
72
73 private:
74  bool call_back_called_;
75  bool last_request_success_;
76};
77
78class DtlsIdentityStoreTest : public testing::Test {
79 protected:
80  DtlsIdentityStoreTest()
81      : worker_thread_(new rtc::Thread()),
82        store_(new DtlsIdentityStoreImpl(rtc::Thread::Current(),
83                                         worker_thread_.get())),
84        observer_(
85            new rtc::RefCountedObject<MockDtlsIdentityRequestObserver>()) {
86    RTC_CHECK(worker_thread_->Start());
87  }
88  ~DtlsIdentityStoreTest() {}
89
90  static void SetUpTestCase() {
91    rtc::InitializeSSL();
92  }
93  static void TearDownTestCase() {
94    rtc::CleanupSSL();
95  }
96
97  rtc::scoped_ptr<rtc::Thread> worker_thread_;
98  rtc::scoped_ptr<DtlsIdentityStoreImpl> store_;
99  rtc::scoped_refptr<MockDtlsIdentityRequestObserver> observer_;
100};
101
102TEST_F(DtlsIdentityStoreTest, RequestIdentitySuccessRSA) {
103  EXPECT_TRUE_WAIT(store_->HasFreeIdentityForTesting(rtc::KT_RSA), kTimeoutMs);
104
105  store_->RequestIdentity(rtc::KT_RSA, observer_.get());
106  EXPECT_TRUE_WAIT(observer_->LastRequestSucceeded(), kTimeoutMs);
107
108  EXPECT_TRUE_WAIT(store_->HasFreeIdentityForTesting(rtc::KT_RSA), kTimeoutMs);
109
110  observer_->Reset();
111
112  // Verifies that the callback is async when a free identity is ready.
113  store_->RequestIdentity(rtc::KT_RSA, observer_.get());
114  EXPECT_FALSE(observer_->call_back_called());
115  EXPECT_TRUE_WAIT(observer_->LastRequestSucceeded(), kTimeoutMs);
116}
117
118TEST_F(DtlsIdentityStoreTest, RequestIdentitySuccessECDSA) {
119  // Since store currently does not preemptively generate free ECDSA identities
120  // we do not invoke HasFreeIdentityForTesting between requests.
121
122  store_->RequestIdentity(rtc::KT_ECDSA, observer_.get());
123  EXPECT_TRUE_WAIT(observer_->LastRequestSucceeded(), kTimeoutMs);
124
125  observer_->Reset();
126
127  // Verifies that the callback is async when a free identity is ready.
128  store_->RequestIdentity(rtc::KT_ECDSA, observer_.get());
129  EXPECT_FALSE(observer_->call_back_called());
130  EXPECT_TRUE_WAIT(observer_->LastRequestSucceeded(), kTimeoutMs);
131}
132
133TEST_F(DtlsIdentityStoreTest, DeleteStoreEarlyNoCrashRSA) {
134  EXPECT_FALSE(store_->HasFreeIdentityForTesting(rtc::KT_RSA));
135
136  store_->RequestIdentity(rtc::KT_RSA, observer_.get());
137  store_.reset();
138
139  worker_thread_->Stop();
140  EXPECT_FALSE(observer_->call_back_called());
141}
142
143TEST_F(DtlsIdentityStoreTest, DeleteStoreEarlyNoCrashECDSA) {
144  EXPECT_FALSE(store_->HasFreeIdentityForTesting(rtc::KT_ECDSA));
145
146  store_->RequestIdentity(rtc::KT_ECDSA, observer_.get());
147  store_.reset();
148
149  worker_thread_->Stop();
150  EXPECT_FALSE(observer_->call_back_called());
151}
152
153