1 /* 2 * Copyright (c) International Business Machines Corp., 2001 3 * Copyright (c) 2017 Petr Vorel <pvorel (at) 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 */ 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 */ 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 */ 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 */ 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 == TEST_RETURN) 151 tst_res(TINFO, "IN6_IS_ADDR_V4MAPPED(\"%s\") %ld", 152 maptab[i].addr, TEST_RETURN); 153 else { 154 tst_res(TFAIL, "IN6_IS_ADDR_V4MAPPED(\"%s\") %ld", 155 maptab[i].addr, TEST_RETURN); 156 return; 157 } 158 } 159 160 tst_res(TPASS, "IN6_IS_ADDR_V4MAPPED tests succeed"); 161 } 162 163 /* sockaddr_storage tests */ 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 } 199 200 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
