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> |
| 13 | |
| 14 | #include "../../lib/in46_addr.h" |
| 15 | #include "../../lib/syserr.h" |
| 16 | |
| 17 | static const struct in46_addr g_ia4 = { |
| 18 | .len = 4, |
| 19 | .v4.s_addr = 0x0d0c0b0a, |
| 20 | }; |
| 21 | |
| 22 | static const struct in46_addr g_ia6 = { |
| 23 | .len = 16, |
| 24 | .v6.s6_addr = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 }, |
| 25 | }; |
| 26 | |
| 27 | static void test_in46a_to_af(void) |
| 28 | { |
| 29 | struct in46_addr ia; |
| 30 | |
| 31 | printf("Testing in46a_to_af()\n"); |
| 32 | |
| 33 | OSMO_ASSERT(in46a_to_af(&g_ia4) == AF_INET); |
| 34 | OSMO_ASSERT(in46a_to_af(&g_ia6) == AF_INET6); |
| 35 | |
| 36 | ia.len = 8; |
| 37 | OSMO_ASSERT(in46a_to_af(&ia) == AF_INET6); |
| 38 | } |
| 39 | |
| 40 | static void test_in46a_to_sas(void) |
| 41 | { |
| 42 | struct sockaddr_storage ss; |
| 43 | struct sockaddr_in *sin = (struct sockaddr_in *) &ss; |
| 44 | struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) &ss; |
| 45 | |
| 46 | printf("Testing in46a_to_sas()\n"); |
| 47 | |
| 48 | memset(&ss, 0, sizeof(ss)); |
| 49 | OSMO_ASSERT(in46a_to_sas(&ss, &g_ia4) == 0); |
| 50 | OSMO_ASSERT(sin->sin_family == AF_INET); |
| 51 | OSMO_ASSERT(sin->sin_addr.s_addr == g_ia4.v4.s_addr); |
| 52 | |
| 53 | memset(&ss, 0, sizeof(ss)); |
| 54 | OSMO_ASSERT(in46a_to_sas(&ss, &g_ia6) == 0); |
| 55 | OSMO_ASSERT(sin6->sin6_family == AF_INET6); |
| 56 | OSMO_ASSERT(!memcmp(&sin6->sin6_addr, &g_ia6.v6, sizeof(sin6->sin6_addr))); |
| 57 | } |
| 58 | |
| 59 | static void test_in46a_ntop(void) |
| 60 | { |
| 61 | struct in46_addr ia; |
| 62 | char buf[256]; |
| 63 | const char *res; |
| 64 | |
| 65 | printf("Testing in46a_ntop()\n"); |
| 66 | |
| 67 | res = in46a_ntop(NULL, buf, sizeof(buf)); |
| 68 | OSMO_ASSERT(res && !strcmp(res, "UNDEFINED")); |
| 69 | printf("res = %s\n", res); |
| 70 | |
| 71 | ia.len = 0; |
| 72 | res = in46a_ntop(&ia, buf, sizeof(buf)); |
| 73 | printf("res = %s\n", res); |
| 74 | OSMO_ASSERT(res && !strcmp(res, "UNDEFINED")); |
| 75 | |
| 76 | ia.len = 4; |
| 77 | ia.v4.s_addr = htonl(0x01020304); |
| 78 | res = in46a_ntop(&ia, buf, sizeof(buf)); |
| 79 | OSMO_ASSERT(res && !strcmp(res, "1.2.3.4")); |
| 80 | printf("res = %s\n", res); |
| 81 | |
| 82 | res = in46a_ntop(&g_ia6, buf, sizeof(buf)); |
| 83 | OSMO_ASSERT(res && !strcmp(res, "102:304:506:708:90a:b0c:d0e:f10")); |
| 84 | printf("res = %s\n", res); |
| 85 | } |
| 86 | |
| 87 | static void test_in46p_ntoa(void) |
| 88 | { |
| 89 | const struct in46_prefix ip46 = { |
| 90 | .prefixlen = 24, |
| 91 | .addr = { |
| 92 | .len = 4, |
| 93 | .v4.s_addr = htonl(0x10203000), |
| 94 | }, |
| 95 | }; |
| 96 | printf("in46p_ntoa() returns %s\n", in46p_ntoa(&ip46)); |
| 97 | } |
| 98 | |
| 99 | static void test_in46a_equal(void) |
| 100 | { |
| 101 | struct in46_addr b; |
| 102 | |
| 103 | printf("Testing in46a_equal()\n"); |
| 104 | |
| 105 | memset(&b, 0xff, sizeof(b)); |
| 106 | b.len = g_ia4.len; |
| 107 | b.v4.s_addr = g_ia4.v4.s_addr; |
| 108 | OSMO_ASSERT(in46a_equal(&g_ia4, &b)); |
| 109 | |
| 110 | memset(&b, 0xff, sizeof(b)); |
| 111 | b.len = g_ia6.len; |
| 112 | b.v6 = g_ia6.v6; |
| 113 | OSMO_ASSERT(in46a_equal(&g_ia6, &b)); |
| 114 | |
| 115 | } |
| 116 | |
| 117 | |
| 118 | static int log_in46a_within_mask(const struct in46_addr *addr, const struct in46_addr *net, |
| 119 | size_t prefixlen) |
| 120 | { |
| 121 | int rc; |
| 122 | |
| 123 | printf("in46a_within_mask(%s, ", in46a_ntoa(addr)); |
| 124 | printf("%s, %lu) = ", in46a_ntoa(net), prefixlen); |
| 125 | |
| 126 | rc = in46a_within_mask(addr, net, prefixlen); |
| 127 | printf("%d\n", rc); |
| 128 | |
| 129 | return rc; |
| 130 | } |
| 131 | |
| 132 | static void test_in46a_within_mask(void) |
| 133 | { |
| 134 | struct in46_addr addr, mask; |
| 135 | |
| 136 | printf("Testing in46a_within_mask()\n"); |
| 137 | |
| 138 | addr = g_ia4; |
| 139 | mask = g_ia4; |
| 140 | OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 32)); |
| 141 | |
| 142 | mask.v4.s_addr = htonl( ntohl(mask.v4.s_addr) & 0xfffffffC ); |
| 143 | OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 30)); |
| 144 | |
| 145 | mask.v4.s_addr = htonl( ntohl(mask.v4.s_addr) & 0xfff80000 ); |
| 146 | OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 13)); |
| 147 | |
| 148 | addr.v4.s_addr = htonl(ntohl(addr.v4.s_addr) + 1); |
| 149 | mask = g_ia4; |
| 150 | OSMO_ASSERT(!log_in46a_within_mask(&addr, &mask, 32)); |
| 151 | mask.v4.s_addr = htonl( ntohl(mask.v4.s_addr) & 0xfffffffC ); |
| 152 | OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 30)); |
| 153 | } |
| 154 | |
| 155 | static void test_in46a_to_eua(void) |
| 156 | { |
| 157 | const struct in46_addr ia_v6_8 = { |
| 158 | .len = 8, |
| 159 | .v6.s6_addr = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 }, |
| 160 | }; |
| 161 | struct ul66_t eua; |
| 162 | |
| 163 | printf("testing in46a_to_eua()\n"); |
| 164 | |
| 165 | #if 0 /* triggers assert in current implementation */ |
| 166 | const struct in46_addr ia_invalid = { .len = 3, }; |
| 167 | OSMO_ASSERT(in46a_to_eua(&ia_invalid, &eua) < 0); |
| 168 | #endif |
| 169 | |
| 170 | /* IPv4 address */ |
| 171 | OSMO_ASSERT(in46a_to_eua(&g_ia4, &eua) == 0); |
| 172 | OSMO_ASSERT(eua.v[0] == PDP_EUA_ORG_IETF); |
| 173 | OSMO_ASSERT(eua.v[1] == PDP_EUA_TYPE_v4); |
| 174 | OSMO_ASSERT(*(uint32_t *) &eua.v[2] == g_ia4.v4.s_addr); |
| 175 | |
| 176 | /* IPv6 address */ |
| 177 | OSMO_ASSERT(in46a_to_eua(&g_ia6, &eua) == 0); |
| 178 | OSMO_ASSERT(eua.v[0] == PDP_EUA_ORG_IETF); |
| 179 | OSMO_ASSERT(eua.v[1] == PDP_EUA_TYPE_v6); |
| 180 | OSMO_ASSERT(!memcmp(&eua.v[2], &g_ia6.v6, 16)); |
| 181 | |
| 182 | /* IPv6 address with prefix / length 8 */ |
| 183 | OSMO_ASSERT(in46a_to_eua(&ia_v6_8, &eua) == 0); |
| 184 | OSMO_ASSERT(eua.v[0] == PDP_EUA_ORG_IETF); |
| 185 | OSMO_ASSERT(eua.v[1] == PDP_EUA_TYPE_v6); |
| 186 | OSMO_ASSERT(!memcmp(&eua.v[2], &ia_v6_8.v6, 16)); |
| 187 | } |
| 188 | |
| 189 | static void test_in46a_from_eua(void) |
| 190 | { |
| 191 | struct in46_addr ia; |
| 192 | struct ul66_t eua; |
| 193 | const uint8_t v4_unspec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v4 }; |
| 194 | const uint8_t v4_spec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v4, 1,2,3,4 }; |
| 195 | const uint8_t v6_unspec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v6 }; |
| 196 | const uint8_t v6_spec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v6, |
| 197 | 1,2,3,4,5,6,7,8,9,0xa,0xb,0xc,0xd,0xe,0xf,0x10 }; |
| 198 | |
| 199 | memset(&eua, 0, sizeof(eua)); |
| 200 | |
| 201 | printf("Testing in46a_from_eua()\n"); |
| 202 | |
| 203 | /* default: v4 unspec */ |
| 204 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 205 | OSMO_ASSERT(ia.len == 4); |
| 206 | OSMO_ASSERT(ia.v4.s_addr == 0); |
| 207 | |
| 208 | /* invalid */ |
| 209 | eua.v[0] = 0x23; |
| 210 | eua.v[1] = PDP_EUA_TYPE_v4; |
| 211 | eua.l = 6; |
| 212 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) < 0); |
| 213 | |
| 214 | /* invalid */ |
| 215 | eua.v[0] = PDP_EUA_ORG_IETF; |
| 216 | eua.v[1] = 0x23; |
| 217 | eua.l = 6; |
| 218 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) < 0); |
| 219 | |
| 220 | /* unspecified V4 */ |
| 221 | memcpy(eua.v, v4_unspec, sizeof(v4_unspec)); |
| 222 | eua.l = sizeof(v4_unspec); |
| 223 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 224 | OSMO_ASSERT(ia.len == 4); |
| 225 | OSMO_ASSERT(ia.v4.s_addr == 0); |
| 226 | |
| 227 | /* specified V4 */ |
| 228 | memcpy(eua.v, v4_spec, sizeof(v4_spec)); |
| 229 | eua.l = sizeof(v4_spec); |
| 230 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 231 | OSMO_ASSERT(ia.len == 4); |
| 232 | OSMO_ASSERT(ia.v4.s_addr == htonl(0x01020304)); |
| 233 | |
| 234 | /* unspecified V6 */ |
| 235 | memcpy(eua.v, v6_unspec, sizeof(v6_unspec)); |
| 236 | eua.l = sizeof(v6_unspec); |
| 237 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 238 | OSMO_ASSERT(ia.len == 16); |
| 239 | OSMO_ASSERT(IN6_IS_ADDR_UNSPECIFIED(&ia.v6)); |
| 240 | |
| 241 | /* specified V6 */ |
| 242 | memcpy(eua.v, v6_spec, sizeof(v6_spec)); |
| 243 | eua.l = sizeof(v6_spec); |
| 244 | OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| 245 | OSMO_ASSERT(ia.len == 16); |
| 246 | OSMO_ASSERT(!memcmp(&ia.v6, v6_spec+2, ia.len)); |
| 247 | } |
| 248 | |
| 249 | int main(int argc, char **argv) |
| 250 | { |
| 251 | osmo_init_logging(&log_info); |
| 252 | log_set_use_color(osmo_stderr_target, 0); |
| 253 | log_set_print_filename(osmo_stderr_target, 0); |
| 254 | |
| 255 | srand(time(NULL)); |
| 256 | |
| 257 | test_in46a_to_af(); |
| 258 | test_in46a_to_sas(); |
| 259 | test_in46a_ntop(); |
| 260 | test_in46p_ntoa(); |
| 261 | test_in46a_equal(); |
| 262 | test_in46a_within_mask(); |
| 263 | test_in46a_to_eua(); |
| 264 | test_in46a_from_eua(); |
| 265 | } |