1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
#include <gtest/gtest.h>
#include "packet_helper.h"
/*
* Layer 2 Tunneling Protocol
* Flags: 0xc802, Type: Control Message, Length Bit, Sequence Bit
* 1... .... .... .... = Type: Control Message (1)
* .1.. .... .... .... = Length Bit: Length field is present
* .... 1... .... .... = Sequence Bit: Ns and Nr fields are present
* .... ..0. .... .... = Offset bit: Offset size field is not present
* .... ...0 .... .... = Priority: No priority
* .... .... .... 0010 = Version: 2
* Length: 105
* Tunnel ID: 0
* Session ID: 0
* Ns: 0
* Nr: 0
* Control Message AVP
* 1... .... .... .... = Mandatory: True
* .0.. .... .... .... = Hidden: False
* .... ..00 0000 1000 = Length: 8
* Vendor ID: Reserved (0)
* AVP Type: Control Message (0)
* Message Type: Start_Control_Request (1)
* Protocol Version AVP
* 1... .... .... .... = Mandatory: True
* .0.. .... .... .... = Hidden: False
* .... ..00 0000 1000 = Length: 8
* Vendor ID: Reserved (0)
* AVP Type: Protocol Version (2)
* Version: 1
* Revision: 0
* Framing Capabilities AVP
* 1... .... .... .... = Mandatory: True
* .0.. .... .... .... = Hidden: False
* .... ..00 0000 1010 = Length: 10
* Vendor ID: Reserved (0)
* AVP Type: Framing Capabilities (3)
* .... .... .... .... .... .... .... ..0. = Async Framing Supported: False
* .... .... .... .... .... .... .... ...1 = Sync Framing Supported: True
* Bearer Capabilities AVP
* 1... .... .... .... = Mandatory: True
* .0.. .... .... .... = Hidden: False
* .... ..00 0000 1010 = Length: 10
* Vendor ID: Reserved (0)
* AVP Type: Bearer Capabilities (4)
* .... .... .... .... .... .... .... ..0. = Analog Access Supported: False
* .... .... .... .... .... .... .... ...0 = Digital Access Supported: False
* Firmware Revision AVP
* 0... .... .... .... = Mandatory: False
* .0.. .... .... .... = Hidden: False
* .... ..00 0000 1000 = Length: 8
* Vendor ID: Reserved (0)
* AVP Type: Firmware Revision (6)
* Firmware Revision: 1537 (0x0601)
* Host Name AVP
* 1... .... .... .... = Mandatory: True
* .0.. .... .... .... = Hidden: False
* .... ..00 0001 0010 = Length: 18
* Vendor ID: Reserved (0)
* AVP Type: Host Name (7)
* Host Name: IIE-SM-THINK
* Vendor Name AVP
* 0... .... .... .... = Mandatory: False
* .0.. .... .... .... = Hidden: False
* .... ..00 0000 1111 = Length: 15
* Vendor ID: Reserved (0)
* AVP Type: Vendor Name (8)
* Vendor Name: Microsoft
* Assigned Tunnel ID AVP
* 1... .... .... .... = Mandatory: True
* .0.. .... .... .... = Hidden: False
* .... ..00 0000 1000 = Length: 8
* Vendor ID: Reserved (0)
* AVP Type: Assigned Tunnel ID (9)
* Assigned Tunnel ID: 1
* Receive Window Size AVP
* 1... .... .... .... = Mandatory: True
* .0.. .... .... .... = Hidden: False
* .... ..00 0000 1000 = Length: 8
* Vendor ID: Reserved (0)
* AVP Type: Receive Window Size (10)
* Receive Window Size: 8
*/
unsigned char v2_over_udp_ctrl_msg[] = {
0xc8, 0x02, 0x00, 0x69, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
0x01, 0x00, 0x80, 0x0a, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x80, 0x0a, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00,
0x00, 0x06, 0x06, 0x01, 0x80, 0x12, 0x00, 0x00, 0x00, 0x07, 0x49, 0x49, 0x45, 0x2d, 0x53, 0x4d, 0x2d, 0x54, 0x48, 0x49, 0x4e, 0x4b, 0x00, 0x0f, 0x00, 0x00,
0x00, 0x08, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66, 0x74, 0x80, 0x08, 0x00, 0x00, 0x00, 0x09, 0x00, 0x01, 0x80, 0x08, 0x00, 0x00, 0x00, 0x0a, 0x00,
0x08};
TEST(L2TPV2_OVER_UDP_UTILS, CRTL_MSG)
{
const struct l2tp_hdr *hdr = (struct l2tp_hdr *)v2_over_udp_ctrl_msg;
EXPECT_TRUE(l2tp_hdr_get_ver(hdr) == 2);
EXPECT_TRUE(l2tp_hdr_get_type(hdr) == 1);
EXPECT_TRUE(calc_udp_l2tpv2_hdr_len((const char *)v2_over_udp_ctrl_msg, sizeof(v2_over_udp_ctrl_msg)) == 105);
}
/*
* Layer 2 Tunneling Protocol
* Flags: 0x4002, Type: Data Message, Length Bit
* 0... .... .... .... = Type: Data Message (0)
* .1.. .... .... .... = Length Bit: Length field is present
* .... 0... .... .... = Sequence Bit: Ns and Nr fields are not present
* .... ..0. .... .... = Offset bit: Offset size field is not present
* .... ...0 .... .... = Priority: No priority
* .... .... .... 0010 = Version: 2
* Length: 78
* Tunnel ID: 28998
* Session ID: 2
*/
unsigned char v2_over_udp_data_msg[] = {
0x40, 0x02, 0x00, 0x4e, 0x71, 0x46, 0x00, 0x02};
TEST(L2TPV2_OVER_UDP_UTILS, DATA_MSG)
{
const struct l2tp_hdr *hdr = (struct l2tp_hdr *)v2_over_udp_data_msg;
EXPECT_TRUE(l2tp_hdr_get_ver(hdr) == 2);
EXPECT_TRUE(l2tp_hdr_get_type(hdr) == 0);
EXPECT_TRUE(calc_udp_l2tpv2_hdr_len((const char *)v2_over_udp_data_msg, sizeof(v2_over_udp_data_msg)) == 8);
}
/*
* TODO
*/
unsigned char v3_over_udp_ctrl_msg[] = {};
TEST(L2TPV3_OVER_UDP_UTILS, CRTL_MSG)
{
// TODO
}
/*
* Layer 2 Tunneling Protocol version 3
* Flags: 0x0003, Type: Data Message
* 0... .... .... .... = Type: Data Message (0)
* .0.. .... .... .... = Length Bit: Length field is not present
* .... 0... .... .... = Sequence Bit: Ns and Nr fields are not present
* .... .... .... 0011 = Version: 3
* Reserved: 0x0000
* Session ID: 0x00000fa0
* [Pseudowire Type: Unknown (0)]
* Cookie: 00000000
*/
unsigned char v3_over_udp_data_msg[] = {
0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xa0, 0x00, 0x00, 0x00, 0x00};
TEST(L2TPV3_OVER_UDP_UTILS, DATA_MSG)
{
const struct l2tp_hdr *hdr = (struct l2tp_hdr *)v3_over_udp_data_msg;
EXPECT_TRUE(l2tp_hdr_get_ver(hdr) == 3);
EXPECT_TRUE(l2tp_hdr_get_type(hdr) == 0);
EXPECT_TRUE(calc_udp_l2tpv3_hdr_len((const char *)v3_over_udp_data_msg, sizeof(v3_over_udp_data_msg)) == 12);
}
/*
* TODO
*/
unsigned char v3_over_ip_ctrl_msg[] = {};
TEST(L2TPV3_OVER_IP_UTILS, CRTL_MSG)
{
// TODO
}
/*
* Layer 2 Tunneling Protocol version 3
* Session ID: 0x00009652
* [Pseudowire Type: Unknown (0)]
* Cookie: ca031078
*/
unsigned char v3_over_ip_data_msg[] = {
0x00, 0x00, 0x96, 0x52, 0xca, 0x03, 0x10, 0x78};
TEST(L2TPV3_OVER_IP_UTILS, DATA_MSG)
{
EXPECT_TRUE(ntohl(*((uint32_t *)v3_over_ip_data_msg)) != 0); // data message
EXPECT_TRUE(calc_ip_l2tpv3_hdr_len((const char *)v3_over_ip_data_msg, sizeof(v3_over_ip_data_msg)) == 8);
}
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
|
