File: ip_test.c

package info (click to toggle)
bird2 2.17.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 5,584 kB
  • sloc: ansic: 74,910; sh: 3,712; perl: 3,444; lex: 883; python: 495; makefile: 464; xml: 260; sed: 13
file content (310 lines) | stat: -rw-r--r-- 9,954 bytes parent folder | download | duplicates (3)
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
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
/*
 *	BIRD Library -- IP address functions Tests
 *
 *	(c) 2015 CZ.NIC z.s.p.o.
 *
 *	Can be freely distributed and used under the terms of the GNU GPL.
 */

#include "test/birdtest.h"

#include "lib/ip.h"

#define IP4_MAX_LEN		16

static int
test_ip4_pton(void *out_, const void *in_, const void *expected_out_)
{
  ip_addr *out = out_;
  const char *in = in_;
  const ip_addr *expected_out = expected_out_;
  ip4_addr ip4;

  if (expected_out)
  {
    bt_assert(ip4_pton(in, &ip4));
    *out = ipa_from_ip4(ip4);
    return ipa_equal(*out, *expected_out);
  }
  else
    return !ip4_pton(in, &ip4);

}

static int
test_ip6_pton(void *out_, const void *in_, const void *expected_out_)
{
  ip_addr *out = out_;
  const char *in = in_;
  const ip_addr *expected_out = expected_out_;

  if (expected_out)
  {
    bt_assert(ip6_pton(in, out));
    return ipa_equal(*out, *expected_out);
  }
  else
    return !ip6_pton(in, out);
}

static int
t_ip4_pton(void)
{
  struct bt_pair test_vectors[] = {
    {
      .in  = "192.168.1.128",
      .out = & ipa_build4(192, 168, 1, 128),
    },
    {
      .in  = "255.255.255.255",
      .out = & ipa_build4(255, 255, 255, 255),
    },
    {
      .in  = "0.0.0.0",
      .out = & ipa_build4(0, 0, 0, 0),
    },
  };

  return bt_assert_batch(test_vectors, test_ip4_pton, bt_fmt_str, bt_fmt_ipa);
}

static int
t_ip6_pton(void)
{
  struct bt_pair test_vectors[] = {
    {
      .in  = "2001:0db8:0000:0000:0000:0000:1428:57ab",
      .out = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
    },
    {
      .in  = "2001:0db8:0000:0000:0000::1428:57ab",
      .out = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
    },
    {
      .in  = "2001:0db8::1428:57ab",
      .out = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
    },
    {
      .in  = "2001:db8::1428:57ab",
      .out = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
    },
    {
      .in  = "::1",
      .out = & ipa_build6(0x00000000, 0x00000000, 0x00000000, 0x00000001),
    },
    {
      .in  = "::",
      .out = & ipa_build6(0x00000000, 0x00000000, 0x00000000, 0x00000000),
    },
    {
      .in  = "2605:2700:0:3::4713:93e3",
      .out = & ipa_build6(0x26052700, 0x00000003, 0x00000000, 0x471393E3),
    },
    {
      .in = "2605:2700:0:3:4713:93e3",
      .out = NULL,
    },
    {
      .in = "2",
      .out = NULL,
    },
  };

  return bt_assert_batch(test_vectors, test_ip6_pton, bt_fmt_str, bt_fmt_ipa);
}

static int
test_ipa_ntop(void *out_, const void *in_, const void *expected_out_)
{
  char *out = out_;
  const ip_addr *in = in_;
  const char *expected_out = expected_out_;

  if (ipa_is_ip4(*in))
    ip4_ntop(ipa_to_ip4(*in), out);
  else
    ip6_ntop(ipa_to_ip6(*in), out);

  int result = strncmp(out, expected_out, ipa_is_ip4(*in) ? IP4_MAX_TEXT_LENGTH : IP6_MAX_TEXT_LENGTH) == 0;
  return result;
}

static int
t_ip4_ntop(void)
{
  struct bt_pair test_vectors[] = {
    {
      .in  = & ipa_build4(192, 168, 1, 128),
      .out = "192.168.1.128",
    },
    {
      .in  = & ipa_build4(255, 255, 255, 255),
      .out = "255.255.255.255",
    },
    {
      .in  = & ipa_build4(0, 0, 0, 1),
      .out = "0.0.0.1",
    },
  };

  return bt_assert_batch(test_vectors, test_ipa_ntop, bt_fmt_ipa, bt_fmt_str);
}

static int
t_ip6_ntop(void)
{
  struct bt_pair test_vectors[] = {
    {
      .in  = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
      .out = "2001:db8::1428:57ab",
    },
    {
      .in  = & ipa_build6(0x26052700, 0x00000003, 0x00000000, 0x471393E3),
      .out = "2605:2700:0:3::4713:93e3",
    },
  };

  return bt_assert_batch(test_vectors, test_ipa_ntop, bt_fmt_ipa, bt_fmt_str);
}

static int
t_ip4_prefix_equal(void)
{
  bt_assert( ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x1234ffff), 16));
  bt_assert(!ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x1234ffff), 17));
  bt_assert( ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345000), 21));
  bt_assert(!ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345000), 22));

  bt_assert( ip4_prefix_equal(ip4_from_u32(0x00000000), ip4_from_u32(0xffffffff),  0));
  bt_assert( ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345678),  0));

  bt_assert( ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345678),  32));
  bt_assert(!ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345679),  32));
  bt_assert(!ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x92345678),  32));

  return 1;
}

static int
t_ip6_prefix_equal(void)
{
  bt_assert( ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      ip6_build(0x20010db8, 0x1234ffff, 0xfefefefe, 0xdcdcdcdc),
			      48));

  bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      ip6_build(0x20010db8, 0x1234ffff, 0xfefefefe, 0xdcdcdcdc),
			      49));

  bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      ip6_build(0x20020db8, 0x12345678, 0xfefefefe, 0xdcdcdcdc),
			      48));

  bt_assert( ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      ip6_build(0x20010db8, 0x12345678, 0xfefefefe, 0xdcdcdcdc),
			      64));

  bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      ip6_build(0x20010db8, 0x1234567e, 0xfefefefe, 0xdcdcdcdc),
			      64));

  bt_assert( ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20002020),
			      ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      106));

  bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20002020),
			      ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      107));

  bt_assert( ip6_prefix_equal(ip6_build(0xfeef0db8, 0x87654321, 0x10101010, 0x20202020),
			      ip6_build(0x20010db8, 0x12345678, 0xfefefefe, 0xdcdcdcdc),
			      0));

  bt_assert( ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      128));

  bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
			      ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202021),
			      128));

  return 1;
}

static int
t_ip6_shift_left(void)
{
  ip6_addr a = ip6_build(0x8D0D8BDC, 0x1F04DB92, 0xE5117673, 0x70E54449);

  struct { int n; ip6_addr val; } test_vectors[] = {
    {   0, ip6_build(0x8D0D8BDC, 0x1F04DB92, 0xE5117673, 0x70E54449) },
    {   9, ip6_build(0x1B17B83E, 0x09B725CA, 0x22ECE6E1, 0xCA889200) },
    {  18, ip6_build(0x2F707C13, 0x6E4B9445, 0xD9CDC395, 0x11240000) },
    {  27, ip6_build(0xE0F826DC, 0x97288BB3, 0x9B872A22, 0x48000000) },
    {  36, ip6_build(0xF04DB92E, 0x51176737, 0x0E544490, 0x00000000) },
    {  45, ip6_build(0x9B725CA2, 0x2ECE6E1C, 0xA8892000, 0x00000000) },
    {  54, ip6_build(0xE4B9445D, 0x9CDC3951, 0x12400000, 0x00000000) },
    {  63, ip6_build(0x7288BB39, 0xB872A224, 0x80000000, 0x00000000) },
    {  72, ip6_build(0x11767370, 0xE5444900, 0x00000000, 0x00000000) },
    {  81, ip6_build(0xECE6E1CA, 0x88920000, 0x00000000, 0x00000000) },
    {  90, ip6_build(0xCDC39511, 0x24000000, 0x00000000, 0x00000000) },
    {  99, ip6_build(0x872A2248, 0x00000000, 0x00000000, 0x00000000) },
    { 108, ip6_build(0x54449000, 0x00000000, 0x00000000, 0x00000000) },
    { 117, ip6_build(0x89200000, 0x00000000, 0x00000000, 0x00000000) },
    { 126, ip6_build(0x40000000, 0x00000000, 0x00000000, 0x00000000) },
    { 128, ip6_build(0x00000000, 0x00000000, 0x00000000, 0x00000000) },
  };

  for (uint i = 0; i < ARRAY_SIZE(test_vectors); i++)
    bt_assert(ip6_equal(ip6_shift_left(a, test_vectors[i].n), test_vectors[i].val));

  return 1;
}

static int
t_ip6_shift_right(void)
{
  ip6_addr a = ip6_build(0x8D0D8BDC, 0x1F04DB92, 0xE5117673, 0x70E54449);

  struct { int n; ip6_addr val; } test_vectors[] = {
    {   0, ip6_build(0x8D0D8BDC, 0x1F04DB92, 0xE5117673, 0x70E54449) },
    {   9, ip6_build(0x004686C5, 0xEE0F826D, 0xC97288BB, 0x39B872A2) },
    {  18, ip6_build(0x00002343, 0x62F707C1, 0x36E4B944, 0x5D9CDC39) },
    {  27, ip6_build(0x00000011, 0xA1B17B83, 0xE09B725C, 0xA22ECE6E) },
    {  36, ip6_build(0x00000000, 0x08D0D8BD, 0xC1F04DB9, 0x2E511767) },
    {  45, ip6_build(0x00000000, 0x0004686C, 0x5EE0F826, 0xDC97288B) },
    {  54, ip6_build(0x00000000, 0x00000234, 0x362F707C, 0x136E4B94) },
    {  63, ip6_build(0x00000000, 0x00000001, 0x1A1B17B8, 0x3E09B725) },
    {  72, ip6_build(0x00000000, 0x00000000, 0x008D0D8B, 0xDC1F04DB) },
    {  81, ip6_build(0x00000000, 0x00000000, 0x00004686, 0xC5EE0F82) },
    {  90, ip6_build(0x00000000, 0x00000000, 0x00000023, 0x4362F707) },
    {  99, ip6_build(0x00000000, 0x00000000, 0x00000000, 0x11A1B17B) },
    { 108, ip6_build(0x00000000, 0x00000000, 0x00000000, 0x0008D0D8) },
    { 117, ip6_build(0x00000000, 0x00000000, 0x00000000, 0x00000468) },
    { 126, ip6_build(0x00000000, 0x00000000, 0x00000000, 0x00000002) },
    { 128, ip6_build(0x00000000, 0x00000000, 0x00000000, 0x00000000) },
  };

  for (uint i = 0; i < ARRAY_SIZE(test_vectors); i++)
    bt_assert(ip6_equal(ip6_shift_right(a, test_vectors[i].n), test_vectors[i].val));

  return 1;
}

int
main(int argc, char *argv[])
{
  bt_init(argc, argv);

  bt_test_suite(t_ip4_pton, "Converting IPv4 string to ip4_addr struct");
  bt_test_suite(t_ip6_pton, "Converting IPv6 string to ip6_addr struct");
  bt_test_suite(t_ip4_ntop, "Converting ip4_addr struct to IPv4 string");
  bt_test_suite(t_ip6_ntop, "Converting ip6_addr struct to IPv6 string");
  bt_test_suite(t_ip4_prefix_equal, "Testing ip4_prefix_equal()");
  bt_test_suite(t_ip6_prefix_equal, "Testing ip6_prefix_equal()");
  bt_test_suite(t_ip6_shift_left, "Testing ip6_shift_left()");
  bt_test_suite(t_ip6_shift_right, "Testing ip6_shift_right()");

  return bt_exit_value();
}