Harald Welte | db924d3 | 2017-10-12 20:01:54 +0800 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
| 4 | #include <unistd.h> |
| 5 | #include <time.h> |
| 6 | |
| 7 | #include <netinet/in.h> |
| 8 | #include <sys/socket.h> |
| 9 | |
| 10 | #include <osmocom/core/utils.h> |
| 11 | #include <osmocom/core/application.h> |
| 12 | #include <osmocom/core/logging.h> |
Neels Hofmeyr | 1d85bea | 2017-11-18 18:29:49 +0100 | [diff] [blame^] | 13 | #include <osmocom/core/bits.h> |
Harald Welte | db924d3 | 2017-10-12 20:01:54 +0800 | [diff] [blame] | 14 | |
| 15 | #include "../../lib/in46_addr.h" |
| 16 | #include "../../lib/syserr.h" |
| 17 | |
| 18 | static const struct in46_addr g_ia4 = { |
| 19 | .len = 4, |
| 20 | .v4.s_addr = 0x0d0c0b0a, |
| 21 | }; |
| 22 | |
| 23 | static const struct in46_addr g_ia6 = { |
| 24 | .len = 16, |
| 25 | .v6.s6_addr = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 }, |
| 26 | }; |
| 27 | |
| 28 | static void test_in46a_to_af(void) |
| 29 | { |
| 30 | struct in46_addr ia; |
| 31 | |
| 32 | printf("Testing in46a_to_af()\n"); |
| 33 | |
| 34 | OSMO_ASSERT(in46a_to_af(&g_ia4) == AF_INET); |
| 35 | OSMO_ASSERT(in46a_to_af(&g_ia6) == AF_INET6); |
| 36 | |
| 37 | ia.len = 8; |
| 38 | OSMO_ASSERT(in46a_to_af(&ia) == AF_INET6); |
| 39 | } |
| 40 | |
| 41 | static void test_in46a_to_sas(void) |
| 42 | { |
| 43 | struct sockaddr_storage ss; |
| 44 | struct sockaddr_in *sin = (struct sockaddr_in *) &ss; |
| 45 | struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) &ss; |
| 46 | |
| 47 | printf("Testing in46a_to_sas()\n"); |
| 48 | |
| 49 | memset(&ss, 0, sizeof(ss)); |
| 50 | OSMO_ASSERT(in46a_to_sas(&ss, &g_ia4) == 0); |
| 51 | OSMO_ASSERT(sin->sin_family == AF_INET); |
| 52 | OSMO_ASSERT(sin->sin_addr.s_addr == g_ia4.v4.s_addr); |
| 53 | |
| 54 | memset(&ss, 0, sizeof(ss)); |
| 55 | OSMO_ASSERT(in46a_to_sas(&ss, &g_ia6) == 0); |
| 56 | OSMO_ASSERT(sin6->sin6_family == AF_INET6); |
| 57 | OSMO_ASSERT(!memcmp(&sin6->sin6_addr, &g_ia6.v6, sizeof(sin6->sin6_addr))); |
| 58 | } |
| 59 | |
| 60 | static void test_in46a_ntop(void) |
| 61 | { |
| 62 | struct in46_addr ia; |
| 63 | char buf[256]; |
| 64 | const char *res; |
| 65 | |
| 66 | printf("Testing in46a_ntop()\n"); |
| 67 | |
| 68 | res = in46a_ntop(NULL, buf, sizeof(buf)); |
| 69 | OSMO_ASSERT(res && !strcmp(res, "UNDEFINED")); |
| 70 | printf("res = %s\n", res); |
| 71 | |
| 72 | ia.len = 0; |
| 73 | res = in46a_ntop(&ia, buf, sizeof(buf)); |
| 74 | printf("res = %s\n", res); |
| 75 | OSMO_ASSERT(res && !strcmp(res, "UNDEFINED")); |
| 76 | |
| 77 | ia.len = 4; |
| 78 | ia.v4.s_addr = htonl(0x01020304); |
| 79 | res = in46a_ntop(&ia, buf, sizeof(buf)); |
| 80 | OSMO_ASSERT(res && !strcmp(res, "1.2.3.4")); |
| 81 | printf("res = %s\n", res); |
| 82 | |
| 83 | res = in46a_ntop(&g_ia6, buf, sizeof(buf)); |
| 84 | OSMO_ASSERT(res && !strcmp(res, "102:304:506:708:90a:b0c:d0e:f10")); |
| 85 | printf("res = %s\n", res); |
| 86 | } |
| 87 | |
| 88 | static void test_in46p_ntoa(void) |
| 89 | { |
| 90 | const struct in46_prefix ip46 = { |
| 91 | .prefixlen = 24, |
| 92 | .addr = { |
| 93 | .len = 4, |
| 94 | .v4.s_addr = htonl(0x10203000), |
| 95 | }, |
| 96 | }; |
| 97 | printf("in46p_ntoa() returns %s\n", in46p_ntoa(&ip46)); |
| 98 | } |
| 99 | |
| 100 | static void test_in46a_equal(void) |
| 101 | { |
| 102 | struct in46_addr b; |
| 103 | |
| 104 | printf("Testing in46a_equal()\n"); |
| 105 | |
| 106 | memset(&b, 0xff, sizeof(b)); |
| 107 | b.len = g_ia4.len; |
| 108 | b.v4.s_addr = g_ia4.v4.s_addr; |
| 109 | OSMO_ASSERT(in46a_equal(&g_ia4, &b)); |
| 110 | |
| 111 | memset(&b, 0xff, sizeof(b)); |
| 112 | b.len = g_ia6.len; |
| 113 | b.v6 = g_ia6.v6; |
| 114 | OSMO_ASSERT(in46a_equal(&g_ia6, &b)); |
| 115 | |
| 116 | } |
| 117 | |
| 118 | |
| 119 | static int log_in46a_within_mask(const struct in46_addr *addr, const struct in46_addr *net, |
| 120 | size_t prefixlen) |
| 121 | { |
| 122 | int rc; |
| 123 | |
| 124 | printf("in46a_within_mask(%s, ", in46a_ntoa(addr)); |
| 125 | printf("%s, %lu) = ", in46a_ntoa(net), prefixlen); |
| 126 | |
| 127 | rc = in46a_within_mask(addr, net, prefixlen); |
| 128 | printf("%d\n", rc); |
| 129 | |
| 130 | return rc; |
| 131 | } |
| 132 | |
| 133 | static void test_in46a_within_mask(void) |
| 134 | { |
| 135 | struct in46_addr addr, mask; |
| 136 | |
| 137 | printf("Testing in46a_within_mask()\n"); |
| 138 | |
| 139 | addr = g_ia4; |
| 140 | mask = g_ia4; |
| 141 | OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 32)); |
| 142 | |
| 143 | mask.v4.s_addr = htonl( ntohl(mask.v4.s_addr) & 0xfffffffC ); |
| 144 | OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 30)); |
| 145 | |
| 146 | mask.v4.s_addr = htonl( ntohl(mask.v4.s_addr) & 0xfff80000 ); |
| 147 | OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 13)); |
| 148 | |
| 149 | addr.v4.s_addr = htonl(ntohl(addr.v4.s_addr) + 1); |
| 150 | mask = g_ia4; |
| 151 | OSMO_ASSERT(!log_in46a_within_mask(&addr, &mask, 32)); |
| 152 | mask.v4.s_addr = htonl( ntohl(mask.v4.s_addr) & 0xfffffffC ); |
| 153 | OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 30)); |
| 154 | } |
| 155 | |
| 156 | static void test_in46a_to_eua(void) |
| 157 | { |
| 158 | const struct in46_addr ia_v6_8 = { |
| 159 | .len = 8, |
| 160 | .v6.s6_addr = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 }, |
| 161 | }; |
| 162 | struct ul66_t eua; |
| 163 | |
| 164 | printf("testing in46a_to_eua()\n"); |
| 165 | |
| 166 | #if 0 /* triggers assert in current implementation */ |
| 167 | const struct in46_addr ia_invalid = { .len = 3, }; |
| 168 | OSMO_ASSERT(in46a_to_eua(&ia_invalid, &eua) < 0); |
| 169 | #endif |
| 170 | |
| 171 | /* IPv4 address */ |
| 172 | OSMO_ASSERT(in46a_to_eua(&g_ia4, &eua) == 0); |
| 173 | OSMO_ASSERT(eua.v[0] == PDP_EUA_ORG_IETF); |
| 174 | OSMO_ASSERT(eua.v[1] == PDP_EUA_TYPE_v4); |
Neels Hofmeyr | 1d85bea | 2017-11-18 18:29:49 +0100 | [diff] [blame^] | 175 | OSMO_ASSERT(osmo_load32le(&eua.v[2]) == g_ia4.v4.s_addr); |
Harald Welte | db924d3 | 2017-10-12 20:01:54 +0800 | [diff] [blame] | 176 | |
| 177 | /* IPv6 address */ |
| 178 | OSMO_ASSERT(in46a_to_eua(&g_ia6, &eua) == 0); |
| 179 | OSMO_ASSERT(eua.v[0] == PDP_EUA_ORG_IETF); |
| 180 | OSMO_ASSERT(eua.v[1] == PDP_EUA_TYPE_v6); |
| 181 | OSMO_ASSERT(!memcmp(&eua.v[2], &g_ia6.v6, 16)); |
| 182 | |
| 183 | /* IPv6 address with prefix / length 8 */ |
| 184 | OSMO_ASSERT(in46a_to_eua(&ia_v6_8, &eua) == 0); |
| 185 | OSMO_ASSERT(eua.v[0] == PDP_EUA_ORG_IETF); |
| 186 | OSMO_ASSERT(eua.v[1] == PDP_EUA_TYPE_v6); |
| 187 | OSMO_ASSERT(!memcmp(&eua.v[2], &ia_v6_8.v6, 16)); |
| 188 | } |
| 189 | |
| 190 | static void test_in46a_from_eua(void) |
| 191 | { |
| 192 | struct in46_addr ia; |
| 193 | struct ul66_t eua; |
| 194 | const uint8_t v4_unspec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v4 }; |
| 195 | const uint8_t v4_spec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v4, 1,2,3,4 }; |
| 196 | const uint8_t v6_unspec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v6 }; |
| 197 | const uint8_t v6_spec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v6, |
| 198 | 1,2,3,4,5,6,7,8,9,0xa,0xb,0xc,0xd,0xe,0xf,0x10 }; |
| 199 | |
| 200 | memset(&eua, 0, sizeof(eua)); |
| 201 | |
| 202 | printf("Testing in46a_from_eua()\n"); |
| 203 | |
| 204 | /* default: v4 unspec */ |
| 205 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 206 | OSMO_ASSERT(ia.len == 4); |
| 207 | OSMO_ASSERT(ia.v4.s_addr == 0); |
| 208 | |
| 209 | /* invalid */ |
| 210 | eua.v[0] = 0x23; |
| 211 | eua.v[1] = PDP_EUA_TYPE_v4; |
| 212 | eua.l = 6; |
| 213 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) < 0); |
| 214 | |
| 215 | /* invalid */ |
| 216 | eua.v[0] = PDP_EUA_ORG_IETF; |
| 217 | eua.v[1] = 0x23; |
| 218 | eua.l = 6; |
| 219 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) < 0); |
| 220 | |
| 221 | /* unspecified V4 */ |
| 222 | memcpy(eua.v, v4_unspec, sizeof(v4_unspec)); |
| 223 | eua.l = sizeof(v4_unspec); |
| 224 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 225 | OSMO_ASSERT(ia.len == 4); |
| 226 | OSMO_ASSERT(ia.v4.s_addr == 0); |
| 227 | |
| 228 | /* specified V4 */ |
| 229 | memcpy(eua.v, v4_spec, sizeof(v4_spec)); |
| 230 | eua.l = sizeof(v4_spec); |
| 231 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 232 | OSMO_ASSERT(ia.len == 4); |
| 233 | OSMO_ASSERT(ia.v4.s_addr == htonl(0x01020304)); |
| 234 | |
| 235 | /* unspecified V6 */ |
| 236 | memcpy(eua.v, v6_unspec, sizeof(v6_unspec)); |
| 237 | eua.l = sizeof(v6_unspec); |
| 238 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 239 | OSMO_ASSERT(ia.len == 16); |
| 240 | OSMO_ASSERT(IN6_IS_ADDR_UNSPECIFIED(&ia.v6)); |
| 241 | |
| 242 | /* specified V6 */ |
| 243 | memcpy(eua.v, v6_spec, sizeof(v6_spec)); |
| 244 | eua.l = sizeof(v6_spec); |
| 245 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 246 | OSMO_ASSERT(ia.len == 16); |
| 247 | OSMO_ASSERT(!memcmp(&ia.v6, v6_spec+2, ia.len)); |
| 248 | } |
| 249 | |
Pau Espin Pedrol | 2e7b9ff | 2017-10-16 14:27:32 +0200 | [diff] [blame] | 250 | static void test_in46a_netmasklen(void) |
| 251 | { |
| 252 | struct in46_addr netmask; |
| 253 | unsigned int len; |
| 254 | |
| 255 | printf("Testing in46a_netmasklen() with IPv4 addresses\n"); |
| 256 | netmask.len = 4; |
| 257 | |
| 258 | netmask.v4.s_addr = 0xffffffff; |
| 259 | len = in46a_netmasklen(&netmask); |
| 260 | OSMO_ASSERT(len == 32); |
| 261 | |
| 262 | netmask.v4.s_addr = 0x00ffffff; |
| 263 | len = in46a_netmasklen(&netmask); |
| 264 | OSMO_ASSERT(len == 24); |
| 265 | |
| 266 | netmask.v4.s_addr = 0x00f0ffff; |
| 267 | len = in46a_netmasklen(&netmask); |
| 268 | OSMO_ASSERT(len == 20); |
| 269 | |
| 270 | netmask.v4.s_addr = 0x000000fe; |
| 271 | len = in46a_netmasklen(&netmask); |
| 272 | OSMO_ASSERT(len == 7); |
| 273 | |
| 274 | netmask.v4.s_addr = 0x00000000; |
| 275 | len = in46a_netmasklen(&netmask); |
| 276 | OSMO_ASSERT(len == 0); |
| 277 | |
| 278 | printf("Testing in46a_netmasklen() with IPv6 addresses\n"); |
| 279 | const struct in46_addr netmaskA = { |
| 280 | .len = 16, |
| 281 | .v6.s6_addr = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}, |
| 282 | }; |
| 283 | len = in46a_netmasklen(&netmaskA); |
| 284 | OSMO_ASSERT(len == 128); |
| 285 | |
| 286 | const struct in46_addr netmaskB = { |
| 287 | .len = 16, |
| 288 | .v6.s6_addr = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00}, |
| 289 | }; |
| 290 | len = in46a_netmasklen(&netmaskB); |
| 291 | OSMO_ASSERT(len == 104); |
| 292 | |
| 293 | const struct in46_addr netmaskC = { |
| 294 | .len = 16, |
| 295 | .v6.s6_addr = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0x00,0x00,0x00}, |
| 296 | }; |
| 297 | len = in46a_netmasklen(&netmaskC); |
| 298 | OSMO_ASSERT(len == 103); |
| 299 | |
| 300 | const struct in46_addr netmaskD = { |
| 301 | .len = 16, |
| 302 | .v6.s6_addr = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, |
| 303 | }; |
| 304 | len = in46a_netmasklen(&netmaskD); |
| 305 | OSMO_ASSERT(len == 0); |
| 306 | } |
| 307 | |
Harald Welte | db924d3 | 2017-10-12 20:01:54 +0800 | [diff] [blame] | 308 | int main(int argc, char **argv) |
| 309 | { |
| 310 | osmo_init_logging(&log_info); |
| 311 | log_set_use_color(osmo_stderr_target, 0); |
| 312 | log_set_print_filename(osmo_stderr_target, 0); |
| 313 | |
| 314 | srand(time(NULL)); |
| 315 | |
| 316 | test_in46a_to_af(); |
| 317 | test_in46a_to_sas(); |
| 318 | test_in46a_ntop(); |
| 319 | test_in46p_ntoa(); |
| 320 | test_in46a_equal(); |
| 321 | test_in46a_within_mask(); |
| 322 | test_in46a_to_eua(); |
| 323 | test_in46a_from_eua(); |
Pau Espin Pedrol | 2e7b9ff | 2017-10-16 14:27:32 +0200 | [diff] [blame] | 324 | test_in46a_netmasklen(); |
Neels Hofmeyr | dabb8b4 | 2017-10-29 01:53:50 +0200 | [diff] [blame] | 325 | return 0; |
Harald Welte | db924d3 | 2017-10-12 20:01:54 +0800 | [diff] [blame] | 326 | } |