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
|
/* Tests for __inet6_scopeid_pton and IPv6 scopes in getaddrinfo.
Copyright (C) 2016-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <arpa/inet.h>
#include <inttypes.h>
#include <net-internal.h>
#include <net/if.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <support/check.h>
#include <support/support.h>
#include <support/test-driver.h>
/* An interface which is known to the system. */
static const char *interface_name;
static uint32_t interface_index;
/* Initiale the variables above. */
static void
setup_interface (void)
{
struct if_nameindex *list = if_nameindex ();
if (list != NULL && list[0].if_index != 0 && list[0].if_name[0] != '\0')
{
interface_name = list[0].if_name;
interface_index = list[0].if_index;
}
}
/* Convert ADDRESS to struct in6_addr. */
static struct in6_addr
from_string (const char *address)
{
struct in6_addr addr;
if (inet_pton (AF_INET6, address, &addr) != 1)
FAIL_EXIT1 ("inet_pton (\"%s\")", address);
return addr;
}
/* Invoke getaddrinfo to parse ADDRESS%SCOPE. Return true if
getaddrinfo was successful. */
static bool
call_gai (int family, const char *address, const char *scope,
struct sockaddr_in6 *result)
{
struct addrinfo hints =
{
.ai_family = family,
.ai_flags = AI_NUMERICHOST,
.ai_socktype = SOCK_DGRAM,
.ai_protocol = IPPROTO_UDP,
};
char *fulladdr = xasprintf ("%s%%%s", address, scope);
struct addrinfo *ai = NULL;
int ret = getaddrinfo (fulladdr, NULL, &hints, &ai);
if (ret == EAI_ADDRFAMILY || ret == EAI_NONAME)
{
if (test_verbose > 0)
printf ("info: getaddrinfo (\"%s\"): %s (%d)\n",
fulladdr, gai_strerror (ret), ret);
free (fulladdr);
return false;
}
if (ret != 0)
FAIL_EXIT1 ("getaddrinfo (\"%s\"): %s (%d)\n",
fulladdr, gai_strerror (ret), ret);
TEST_VERIFY_EXIT (ai != NULL);
TEST_VERIFY_EXIT (ai->ai_addrlen == sizeof (*result));
TEST_VERIFY (ai->ai_family == AF_INET6);
TEST_VERIFY (ai->ai_next == NULL);
memcpy (result, ai->ai_addr, sizeof (*result));
free (fulladdr);
freeaddrinfo (ai);
return true;
}
/* Verify that a successful call to getaddrinfo returned the expected
scope data. */
static void
check_ai (const char *what, const char *addr_string, const char *scope_string,
const struct sockaddr_in6 *sa,
const struct in6_addr *addr, uint32_t scope)
{
if (memcmp (addr, &sa->sin6_addr, sizeof (*addr)) != 0)
{
support_record_failure ();
printf ("error: getaddrinfo %s address mismatch for %s%%%s\n",
what, addr_string, scope_string);
}
if (sa->sin6_scope_id != scope)
{
support_record_failure ();
printf ("error: getaddrinfo %s scope mismatch for %s%%%s\n"
" expected: %" PRIu32 "\n"
" actual: %" PRIu32 "\n",
what, addr_string, scope_string, scope, sa->sin6_scope_id);
}
}
/* Check a single address were we expected a failure. */
static void
expect_failure (const char *address, const char *scope)
{
if (test_verbose > 0)
printf ("info: expecting failure for %s%%%s\n", address, scope);
struct in6_addr addr = from_string (address);
uint32_t result = 1234;
if (__inet6_scopeid_pton (&addr, scope, &result) == 0)
{
support_record_failure ();
printf ("error: unexpected success for %s%%%s\n",
address, scope);
}
if (result != 1234)
{
support_record_failure ();
printf ("error: unexpected result update for %s%%%s\n",
address, scope);
}
struct sockaddr_in6 sa;
if (call_gai (AF_UNSPEC, address, scope, &sa))
{
support_record_failure ();
printf ("error: unexpected getaddrinfo success for %s%%%s (AF_UNSPEC)\n",
address, scope);
}
if (call_gai (AF_INET6, address, scope, &sa))
{
support_record_failure ();
printf ("error: unexpected getaddrinfo success for %s%%%s (AF_INET6)\n",
address, scope);
}
}
/* Check a single address were we expected a success. */
static void
expect_success (const char *address, const char *scope, uint32_t expected)
{
if (test_verbose > 0)
printf ("info: expecting success for %s%%%s\n", address, scope);
struct in6_addr addr = from_string (address);
uint32_t actual = expected + 1;
if (__inet6_scopeid_pton (&addr, scope, &actual) != 0)
{
support_record_failure ();
printf ("error: unexpected failure for %s%%%s\n",
address, scope);
}
if (actual != expected)
{
support_record_failure ();
printf ("error: unexpected result for for %s%%%s\n",
address, scope);
printf (" expected: %" PRIu32 "\n", expected);
printf (" actual: %" PRIu32 "\n", actual);
}
struct sockaddr_in6 sa;
memset (&sa, 0xc0, sizeof (sa));
if (call_gai (AF_UNSPEC, address, scope, &sa))
check_ai ("AF_UNSPEC", address, scope, &sa, &addr, expected);
else
{
support_record_failure ();
printf ("error: unexpected getaddrinfo failure for %s%%%s (AF_UNSPEC)\n",
address, scope);
}
memset (&sa, 0xc0, sizeof (sa));
if (call_gai (AF_INET6, address, scope, &sa))
check_ai ("AF_INET6", address, scope, &sa, &addr, expected);
else
{
support_record_failure ();
printf ("error: unexpected getaddrinfo failure for %s%%%s (AF_INET6)\n",
address, scope);
}
}
static int
do_test (void)
{
setup_interface ();
static const char *test_addresses[]
= { "::", "::1", "2001:db8::1", NULL };
for (int i = 0; test_addresses[i] != NULL; ++i)
{
expect_success (test_addresses[i], "0", 0);
expect_success (test_addresses[i], "5555", 5555);
expect_failure (test_addresses[i], "");
expect_failure (test_addresses[i], "-1");
expect_failure (test_addresses[i], "-99");
expect_failure (test_addresses[i], "037777777777");
expect_failure (test_addresses[i], "0x");
expect_failure (test_addresses[i], "0x1");
}
if (interface_name != NULL)
{
expect_success ("fe80::1", interface_name, interface_index);
expect_success ("ff02::1", interface_name, interface_index);
expect_success ("ff01::1", interface_name, interface_index);
expect_failure ("::", interface_name);
expect_failure ("::1", interface_name);
expect_failure ("2001:db8::1", interface_name);
}
return 0;
}
#include <support/test-driver.c>
|
