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
|
/* Copyright (C) CZ.NIC, z.s.p.o. <knot-resolver@labs.nic.cz>
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include <sys/socket.h>
#include <stdio.h>
#include <contrib/cleanup.h>
#include "tests/unit/test.h"
#include "lib/utils.h"
static void test_strcatdup(void **state)
{
auto_free char *empty_res = kr_strcatdup(0);
assert_null(empty_res);
auto_free char *null_res = kr_strcatdup(1, NULL);
assert_null(null_res);
auto_free char *nullcat_res = kr_strcatdup(2, NULL, "beef");
assert_string_equal(nullcat_res, "beef");
auto_free char *multi_res = kr_strcatdup(3, "need", "beef", "dead");
assert_string_equal(multi_res, "needbeefdead");
/* Test fails if this leaks. */
auto_fclose FILE* null_file = fopen("/dev/null", "r");
(void)(null_file);
/* Test fails if this leaks. */
auto_close int null_sock = socket(AF_INET, SOCK_DGRAM, 0);
(void)(null_sock);
}
static inline int test_bitcmp(const char *subnet, const char *str_addr, size_t len)
{
char addr_buf[16] = {'\0'};
kr_straddr_subnet(addr_buf, str_addr);
return kr_bitcmp(subnet, addr_buf, len);
}
static void test_straddr(void **state)
{
const char *ip4_ok = "1.2.3.0/30";
const char *ip4_bad = "1.2.3.0/33";
const char *ip4_in = "1.2.3.1";
const char *ip4_out = "1.2.3.5";
const char *ip6_ok = "7caa::/4";
const char *ip6_bad = "7caa::/129";
const char *ip6_in = "7caa::aa7c";
const char *ip6_out = "8caa::aa7c";
/* Parsing family */
assert_int_equal(kr_straddr_family(ip4_ok), AF_INET);
assert_int_equal(kr_straddr_family(ip4_in), AF_INET);
assert_int_equal(kr_straddr_family(ip6_ok), AF_INET6);
assert_int_equal(kr_straddr_family(ip6_in), AF_INET6);
/* Parsing subnet */
char ip4_sub[4], ip6_sub[16];
assert_true(kr_straddr_subnet(ip4_sub, ip4_bad) < 0);
assert_int_equal(kr_straddr_subnet(ip4_sub, ip4_ok), 30);
assert_true(kr_straddr_subnet(ip6_sub, ip6_bad) < 0);
assert_int_equal(kr_straddr_subnet(ip6_sub, ip6_ok), 4);
/* Matching subnet */
assert_int_equal(test_bitcmp(ip4_sub, ip4_in, 30), 0);
assert_int_not_equal(test_bitcmp(ip4_sub, ip4_out, 30), 0);
assert_int_equal(test_bitcmp(ip6_sub, ip6_in, 4), 0);
assert_int_not_equal(test_bitcmp(ip6_sub, ip6_out, 4), 0);
}
static inline int assert_bitmask(const char *addr, const char *exp_masked)
{
unsigned char addr_buf[16];
unsigned char exp_masked_buf[16];
int bits = kr_straddr_subnet(addr_buf, addr);
size_t addr_len = (kr_straddr_family(addr) == AF_INET6) ? 16 : 4;
int exp_masked_bits = kr_straddr_subnet(exp_masked_buf, exp_masked);
size_t exp_masked_len = (kr_straddr_family(exp_masked) == AF_INET6) ? 16 : 4;
/* sanity checks */
assert_true(bits >= 0);
assert_int_equal(addr_len, exp_masked_len);
assert_int_equal(exp_masked_bits, exp_masked_len * 8);
kr_bitmask(addr_buf, addr_len, bits);
return memcmp(addr_buf, exp_masked_buf, addr_len);
}
static void test_bitmask(void **state)
{
assert_int_equal(assert_bitmask("10.0.1.5/32", "10.0.1.5"), 0);
assert_int_equal(assert_bitmask("10.0.1.5", "10.0.1.5"), 0);
assert_int_equal(assert_bitmask("10.0.1.5/24", "10.0.1.0"), 0);
assert_int_equal(assert_bitmask("128.30.1.16/16", "128.30.0.0"), 0);
assert_int_equal(assert_bitmask("255.255.255.255/20", "255.255.240.0"), 0);
assert_int_equal(assert_bitmask("255.255.255.255/22", "255.255.252.0"), 0);
assert_int_equal(assert_bitmask("192.168.0.1/0", "0.0.0.0"), 0);
assert_int_equal(assert_bitmask("7caa::/4", "7000::"), 0);
assert_int_equal(assert_bitmask("dead:beef::/16", "dead::"), 0);
assert_int_equal(assert_bitmask("dead:beef::/20", "dead:b000::"), 0);
assert_int_equal(assert_bitmask("dead:beef::/0", "::"), 0);
assert_int_equal(assert_bitmask("64aa:22fa:1378:aaaa:bbbb::/36", "64aa:22fa:1000::"), 0);
}
static void test_strptime_diff(void **state)
{
char *format = "%Y-%m-%dT%H:%M:%S";
const char *errmsg = NULL;
double output;
errmsg = kr_strptime_diff(format,
"2019-01-09T12:06:04",
"2019-01-09T12:06:04", &output);
assert_true(errmsg == NULL);
/* double type -> equality is not reliable */
assert_true(output > -0.01 && output < 0.01);
errmsg = kr_strptime_diff(format,
"2019-01-09T12:06:04",
"2019-01-09T11:06:04", &output);
assert_true(errmsg == NULL);
/* double type -> equality is not reliable */
assert_true(output > -3600.01 && output < 3600.01);
/* invalid inputs */
errmsg = kr_strptime_diff(format,
"2019-01-09T25:06:04",
"2019-01-09T11:06:04", &output);
assert_true(errmsg != NULL);
errmsg = kr_strptime_diff("fail",
"2019-01-09T23:06:04",
"2019-01-09T11:06:04", &output);
assert_true(errmsg != NULL);
}
int main(void)
{
const UnitTest tests[] = {
unit_test(test_strcatdup),
unit_test(test_straddr),
unit_test(test_bitmask),
unit_test(test_strptime_diff)
};
return run_tests(tests);
}
|
