1 /*
2 * Copyright (c) International Business Machines Corp., 2001
3 * Copyright (c) 2017 Petr Vorel <pvorel@suse.cz>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it would be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 *
18 * Author: David L Stevens
19 */
20
21 /*
22 * Description: Verify that in6 and sockaddr fields are present.
23 */
24
25 #include <errno.h>
26 #include <arpa/inet.h>
27 #include <netinet/in.h>
28 #include <sys/socket.h>
29
30 #include "tst_test.h"
31 #include "tst_safe_macros.h"
32
33 static struct {
34 char *addr;
35 int ismap;
36 } maptab[] = {
37 { "2002::1", 0 },
38 { "::ffff:10.0.0.1", 1 },
39 { "::fffe:10.0.0.1", 0 },
40 { "::7fff:10.0.0.1", 0 },
41 { "0:0:0:0:0:0:ffff:a001", 0 },
42 { "0:0:1:0:0:0:ffff:a001", 0 },
43 };
44
45 static struct {
46 char *addr;
47 } sstab[] = {
48 { "2002::1" },
49 { "10.0.0.1" },
50 { "::ffff:10.0.0.1" },
51 { "::1" },
52 { "::" },
53 };
54
55 static void test_in6_addr(void);
56 static void test_sockaddr_in6(void);
57 static void test_global_in6_def(void);
58 static void test_in6_is_addr_v4mapped(void);
59 static void test_sockaddr_storage(void);
60
61 static void (*testfunc[])(void) = { test_in6_addr,
62 test_sockaddr_in6, test_global_in6_def,
63 test_in6_is_addr_v4mapped, test_sockaddr_storage };
64
65 /* struct in6_addr tests */
test_in6_addr(void)66 static void test_in6_addr(void)
67 {
68 uint8_t ui8 = 1;
69 struct in6_addr in6;
70
71 in6.s6_addr[0] = ui8;
72 tst_res(TINFO, "type of in6.s6_addr[0] is uint8_t");
73 if (sizeof(in6.s6_addr) != 16)
74 tst_res(TFAIL, "sizeof(in6.s6_addr) != 16");
75 else
76 tst_res(TPASS, "sizeof(in6.s6_addr) == 16");
77 }
78
79 /* struct sockaddr_in6 tests */
test_sockaddr_in6(void)80 static void test_sockaddr_in6(void)
81 {
82 uint8_t ui8 = 1;
83 uint32_t ui16 = 2;
84 uint32_t ui32 = 3;
85 struct in6_addr in6;
86 struct sockaddr_in6 sin6;
87 int sd;
88
89 in6.s6_addr[0] = ui8;
90 sin6.sin6_family = AF_INET6;
91 sin6.sin6_port = ui16;
92 sin6.sin6_flowinfo = ui32;
93 sin6.sin6_addr = in6;
94 sin6.sin6_scope_id = ui32;
95
96 sd = SAFE_SOCKET(AF_INET6, SOCK_STREAM, 0);
97 bind(sd, (struct sockaddr *)&sin6, sizeof(sin6));
98 SAFE_CLOSE(sd);
99
100 tst_res(TPASS, "all sockaddr_in6 fields present and correct");
101 }
102
103 /* initializers and global in6 definitions tests */
test_global_in6_def(void)104 static void test_global_in6_def(void)
105 {
106 struct in6_addr ina6 = IN6ADDR_ANY_INIT;
107 struct in6_addr inl6 = IN6ADDR_LOOPBACK_INIT;
108
109 tst_res(TINFO, "IN6ADDR_ANY_INIT present");
110 if (memcmp(&ina6, &in6addr_any, sizeof(ina6)) == 0)
111 tst_res(TINFO, "in6addr_any present and correct");
112 else {
113 tst_res(TFAIL, "in6addr_any incorrect value");
114 return;
115 }
116
117 tst_res(TINFO, "IN6ADDR_LOOPBACK_INIT present");
118 if (memcmp(&inl6, &in6addr_loopback, sizeof(inl6)) == 0)
119 tst_res(TINFO, "in6addr_loopback present and correct");
120 else {
121 tst_res(TFAIL, "in6addr_loopback incorrect value");
122 return;
123 }
124
125 if (inet_pton(AF_INET6, "::1", &inl6) <= 0)
126 tst_brk(TBROK | TERRNO, "inet_pton(\"::1\")");
127
128 if (memcmp(&inl6, &in6addr_loopback, sizeof(inl6)) == 0)
129 tst_res(TINFO, "in6addr_loopback in network byte order");
130 else {
131 tst_res(TFAIL, "in6addr_loopback has wrong byte order");
132 return;
133 }
134
135 tst_res(TPASS, "global in6 definitions tests succeed");
136 }
137
138 /* IN6_IS_ADDR_V4MAPPED tests */
test_in6_is_addr_v4mapped(void)139 static void test_in6_is_addr_v4mapped(void)
140 {
141 unsigned int i;
142 struct in6_addr in6;
143
144 for (i = 0; i < ARRAY_SIZE(maptab); ++i) {
145 if (inet_pton(AF_INET6, maptab[i].addr, &in6) <= 0)
146 tst_brk(TBROK | TERRNO,
147 "\"%s\" is not a valid IPv6 address",
148 maptab[i].addr);
149 TEST(IN6_IS_ADDR_V4MAPPED(in6.s6_addr));
150 if (maptab[i].ismap == TST_RET)
151 tst_res(TINFO, "IN6_IS_ADDR_V4MAPPED(\"%s\") %ld",
152 maptab[i].addr, TST_RET);
153 else {
154 tst_res(TFAIL, "IN6_IS_ADDR_V4MAPPED(\"%s\") %ld",
155 maptab[i].addr, TST_RET);
156 return;
157 }
158 }
159
160 tst_res(TPASS, "IN6_IS_ADDR_V4MAPPED tests succeed");
161 }
162
163 /* sockaddr_storage tests */
test_sockaddr_storage(void)164 static void test_sockaddr_storage(void)
165 {
166 unsigned int i;
167 struct sockaddr_storage ss;
168
169 if (sizeof(ss) <= sizeof(struct sockaddr_in) ||
170 sizeof(ss) <= sizeof(struct sockaddr_in6))
171 tst_brk(TBROK, "sockaddr_storage too small");
172
173 for (i = 0; i < ARRAY_SIZE(sstab); ++i) {
174 struct sockaddr_in *psin = (struct sockaddr_in *)&ss;
175 struct sockaddr_in6 *psin6 = (struct sockaddr_in6 *)&ss;
176 int rv;
177 uint8_t af;
178
179 af = psin->sin_family = AF_INET;
180 rv = inet_pton(AF_INET, sstab[i].addr, &psin->sin_addr);
181 if (rv == 0) {
182 af = psin6->sin6_family = AF_INET6;
183 rv = inet_pton(AF_INET6, sstab[i].addr,
184 &psin6->sin6_addr);
185 }
186 if (rv <= 0)
187 tst_brk(TBROK,
188 "\"%s\" is not a valid address", sstab[i].addr);
189 if (ss.ss_family == af)
190 tst_res(TINFO, "\"%s\" is AF_INET%s",
191 sstab[i].addr, af == AF_INET ? "" : "6");
192 else
193 tst_res(TFAIL, "\"%s\" ss_family (%d) != AF_INET%s",
194 sstab[i].addr, af, af == AF_INET ? "" : "6");
195 }
196
197 tst_res(TPASS, "sockaddr_storage tests succeed");
198 }
199
do_test(unsigned int i)200 static void do_test(unsigned int i)
201 {
202 testfunc[i]();
203 }
204
205 static struct tst_test test = {
206 .tcnt = ARRAY_SIZE(testfunc),
207 .test = do_test,
208 };
209