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1 /* | |
2 * libjingle | |
3 * Copyright 2016 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/media/base/turnutils.h" | |
29 | |
30 #include <stddef.h> | |
31 | |
32 #include "webrtc/base/gunit.h" | |
33 | |
34 namespace cricket { | |
35 | |
36 // Invalid TURN send indication messages. Messages are proper STUN | |
37 // messages with incorrect values in attributes. | |
38 TEST(TurnUtilsTest, InvalidTurnSendIndicationMessages) { | |
39 size_t content_pos = SIZE_MAX; | |
40 size_t content_size = SIZE_MAX; | |
41 | |
42 // Stun Indication message with Zero length | |
43 uint8_t kTurnSendIndicationMsgWithNoAttributes[] = { | |
44 0x00, 0x16, 0x00, 0x00, // Zero length | |
45 0x21, 0x12, 0xA4, 0x42, // magic cookie | |
46 '0', '1', '2', '3', // transaction id | |
47 '4', '5', '6', '7', '8', '9', 'a', 'b', | |
48 }; | |
49 EXPECT_FALSE(UnwrapTurnPacket(kTurnSendIndicationMsgWithNoAttributes, | |
50 sizeof(kTurnSendIndicationMsgWithNoAttributes), | |
51 &content_pos, &content_size)); | |
52 EXPECT_EQ(SIZE_MAX, content_pos); | |
53 EXPECT_EQ(SIZE_MAX, content_size); | |
54 | |
55 // Stun Send Indication message with invalid length in stun header. | |
56 const uint8_t kTurnSendIndicationMsgWithInvalidLength[] = { | |
57 0x00, 0x16, 0xFF, 0x00, // length of 0xFF00 | |
58 0x21, 0x12, 0xA4, 0x42, // magic cookie | |
59 '0', '1', '2', '3', // transaction id | |
60 '4', '5', '6', '7', '8', '9', 'a', 'b', | |
61 }; | |
62 EXPECT_FALSE(UnwrapTurnPacket(kTurnSendIndicationMsgWithInvalidLength, | |
63 sizeof(kTurnSendIndicationMsgWithInvalidLength), | |
64 &content_pos, &content_size)); | |
65 EXPECT_EQ(SIZE_MAX, content_pos); | |
66 EXPECT_EQ(SIZE_MAX, content_size); | |
67 | |
68 // Stun Send Indication message with no DATA attribute in message. | |
69 const uint8_t kTurnSendIndicatinMsgWithNoDataAttribute[] = { | |
70 0x00, 0x16, 0x00, 0x08, // length of | |
71 0x21, 0x12, 0xA4, 0x42, // magic cookie | |
72 '0', '1', '2', '3', // transaction id | |
73 '4', '5', '6', '7', '8', '9', 'a', 'b', | |
74 0x00, 0x20, 0x00, 0x04, // Mapped address. | |
75 0x00, 0x00, 0x00, 0x00, | |
76 }; | |
77 EXPECT_FALSE( | |
78 UnwrapTurnPacket(kTurnSendIndicatinMsgWithNoDataAttribute, | |
79 sizeof(kTurnSendIndicatinMsgWithNoDataAttribute), | |
80 &content_pos, &content_size)); | |
81 EXPECT_EQ(SIZE_MAX, content_pos); | |
82 EXPECT_EQ(SIZE_MAX, content_size); | |
83 } | |
84 | |
85 // Valid TURN Send Indication messages. | |
86 TEST(TurnUtilsTest, ValidTurnSendIndicationMessage) { | |
87 size_t content_pos = SIZE_MAX; | |
88 size_t content_size = SIZE_MAX; | |
89 // A valid STUN indication message with a valid RTP header in data attribute | |
90 // payload field and no extension bit set. | |
91 const uint8_t kTurnSendIndicationMsgWithoutRtpExtension[] = { | |
92 0x00, 0x16, 0x00, 0x18, // length of | |
93 0x21, 0x12, 0xA4, 0x42, // magic cookie | |
94 '0', '1', '2', '3', // transaction id | |
95 '4', '5', '6', '7', '8', '9', 'a', 'b', | |
96 0x00, 0x20, 0x00, 0x04, // Mapped address. | |
97 0x00, 0x00, 0x00, 0x00, | |
98 0x00, 0x13, 0x00, 0x0C, // Data attribute. | |
99 0x80, 0x00, 0x00, 0x00, // RTP packet. | |
100 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
101 }; | |
102 EXPECT_TRUE(UnwrapTurnPacket( | |
103 kTurnSendIndicationMsgWithoutRtpExtension, | |
104 sizeof(kTurnSendIndicationMsgWithoutRtpExtension), &content_pos, | |
105 &content_size)); | |
106 EXPECT_EQ(12U, content_size); | |
107 EXPECT_EQ(32U, content_pos); | |
108 } | |
109 | |
110 // Verify that parsing of valid TURN Channel Messages. | |
111 TEST(TurnUtilsTest, ValidTurnChannelMessages) { | |
112 const uint8_t kTurnChannelMsgWithRtpPacket[] = { | |
113 0x40, 0x00, 0x00, 0x0C, | |
114 0x80, 0x00, 0x00, 0x00, // RTP packet. | |
115 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
116 }; | |
117 | |
118 size_t content_pos = 0, content_size = 0; | |
119 EXPECT_TRUE(UnwrapTurnPacket( | |
120 kTurnChannelMsgWithRtpPacket, | |
121 sizeof(kTurnChannelMsgWithRtpPacket), &content_pos, &content_size)); | |
122 EXPECT_EQ(12U, content_size); | |
123 EXPECT_EQ(4U, content_pos); | |
124 } | |
125 | |
126 TEST(TurnUtilsTest, ChannelMessageZeroLength) { | |
127 const uint8_t kTurnChannelMsgWithZeroLength[] = {0x40, 0x00, 0x00, 0x00}; | |
128 size_t content_pos = SIZE_MAX; | |
129 size_t content_size = SIZE_MAX; | |
130 EXPECT_TRUE(UnwrapTurnPacket(kTurnChannelMsgWithZeroLength, | |
131 sizeof(kTurnChannelMsgWithZeroLength), | |
132 &content_pos, &content_size)); | |
133 EXPECT_EQ(4, content_pos); | |
134 EXPECT_EQ(0, content_size); | |
135 } | |
136 | |
137 } // namespace cricket | |
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