| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <time.h> |
| |
| #include <netinet/in.h> |
| #include <sys/socket.h> |
| |
| #include <osmocom/core/utils.h> |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/logging.h> |
| |
| #include "../../lib/in46_addr.h" |
| #include "../../lib/syserr.h" |
| |
| static const struct in46_addr g_ia4 = { |
| .len = 4, |
| .v4.s_addr = 0x0d0c0b0a, |
| }; |
| |
| static const struct in46_addr g_ia6 = { |
| .len = 16, |
| .v6.s6_addr = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 }, |
| }; |
| |
| static void test_in46a_to_af(void) |
| { |
| struct in46_addr ia; |
| |
| printf("Testing in46a_to_af()\n"); |
| |
| OSMO_ASSERT(in46a_to_af(&g_ia4) == AF_INET); |
| OSMO_ASSERT(in46a_to_af(&g_ia6) == AF_INET6); |
| |
| ia.len = 8; |
| OSMO_ASSERT(in46a_to_af(&ia) == AF_INET6); |
| } |
| |
| static void test_in46a_to_sas(void) |
| { |
| struct sockaddr_storage ss; |
| struct sockaddr_in *sin = (struct sockaddr_in *) &ss; |
| struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) &ss; |
| |
| printf("Testing in46a_to_sas()\n"); |
| |
| memset(&ss, 0, sizeof(ss)); |
| OSMO_ASSERT(in46a_to_sas(&ss, &g_ia4) == 0); |
| OSMO_ASSERT(sin->sin_family == AF_INET); |
| OSMO_ASSERT(sin->sin_addr.s_addr == g_ia4.v4.s_addr); |
| |
| memset(&ss, 0, sizeof(ss)); |
| OSMO_ASSERT(in46a_to_sas(&ss, &g_ia6) == 0); |
| OSMO_ASSERT(sin6->sin6_family == AF_INET6); |
| OSMO_ASSERT(!memcmp(&sin6->sin6_addr, &g_ia6.v6, sizeof(sin6->sin6_addr))); |
| } |
| |
| static void test_in46a_ntop(void) |
| { |
| struct in46_addr ia; |
| char buf[256]; |
| const char *res; |
| |
| printf("Testing in46a_ntop()\n"); |
| |
| res = in46a_ntop(NULL, buf, sizeof(buf)); |
| OSMO_ASSERT(res && !strcmp(res, "UNDEFINED")); |
| printf("res = %s\n", res); |
| |
| ia.len = 0; |
| res = in46a_ntop(&ia, buf, sizeof(buf)); |
| printf("res = %s\n", res); |
| OSMO_ASSERT(res && !strcmp(res, "UNDEFINED")); |
| |
| ia.len = 4; |
| ia.v4.s_addr = htonl(0x01020304); |
| res = in46a_ntop(&ia, buf, sizeof(buf)); |
| OSMO_ASSERT(res && !strcmp(res, "1.2.3.4")); |
| printf("res = %s\n", res); |
| |
| res = in46a_ntop(&g_ia6, buf, sizeof(buf)); |
| OSMO_ASSERT(res && !strcmp(res, "102:304:506:708:90a:b0c:d0e:f10")); |
| printf("res = %s\n", res); |
| } |
| |
| static void test_in46p_ntoa(void) |
| { |
| const struct in46_prefix ip46 = { |
| .prefixlen = 24, |
| .addr = { |
| .len = 4, |
| .v4.s_addr = htonl(0x10203000), |
| }, |
| }; |
| printf("in46p_ntoa() returns %s\n", in46p_ntoa(&ip46)); |
| } |
| |
| static void test_in46a_equal(void) |
| { |
| struct in46_addr b; |
| |
| printf("Testing in46a_equal()\n"); |
| |
| memset(&b, 0xff, sizeof(b)); |
| b.len = g_ia4.len; |
| b.v4.s_addr = g_ia4.v4.s_addr; |
| OSMO_ASSERT(in46a_equal(&g_ia4, &b)); |
| |
| memset(&b, 0xff, sizeof(b)); |
| b.len = g_ia6.len; |
| b.v6 = g_ia6.v6; |
| OSMO_ASSERT(in46a_equal(&g_ia6, &b)); |
| |
| } |
| |
| |
| static int log_in46a_within_mask(const struct in46_addr *addr, const struct in46_addr *net, |
| size_t prefixlen) |
| { |
| int rc; |
| |
| printf("in46a_within_mask(%s, ", in46a_ntoa(addr)); |
| printf("%s, %lu) = ", in46a_ntoa(net), prefixlen); |
| |
| rc = in46a_within_mask(addr, net, prefixlen); |
| printf("%d\n", rc); |
| |
| return rc; |
| } |
| |
| static void test_in46a_within_mask(void) |
| { |
| struct in46_addr addr, mask; |
| |
| printf("Testing in46a_within_mask()\n"); |
| |
| addr = g_ia4; |
| mask = g_ia4; |
| OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 32)); |
| |
| mask.v4.s_addr = htonl( ntohl(mask.v4.s_addr) & 0xfffffffC ); |
| OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 30)); |
| |
| mask.v4.s_addr = htonl( ntohl(mask.v4.s_addr) & 0xfff80000 ); |
| OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 13)); |
| |
| addr.v4.s_addr = htonl(ntohl(addr.v4.s_addr) + 1); |
| mask = g_ia4; |
| OSMO_ASSERT(!log_in46a_within_mask(&addr, &mask, 32)); |
| mask.v4.s_addr = htonl( ntohl(mask.v4.s_addr) & 0xfffffffC ); |
| OSMO_ASSERT(log_in46a_within_mask(&addr, &mask, 30)); |
| } |
| |
| static void test_in46a_to_eua(void) |
| { |
| const struct in46_addr ia_v6_8 = { |
| .len = 8, |
| .v6.s6_addr = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 }, |
| }; |
| struct ul66_t eua; |
| |
| printf("testing in46a_to_eua()\n"); |
| |
| #if 0 /* triggers assert in current implementation */ |
| const struct in46_addr ia_invalid = { .len = 3, }; |
| OSMO_ASSERT(in46a_to_eua(&ia_invalid, &eua) < 0); |
| #endif |
| |
| /* IPv4 address */ |
| OSMO_ASSERT(in46a_to_eua(&g_ia4, &eua) == 0); |
| OSMO_ASSERT(eua.v[0] == PDP_EUA_ORG_IETF); |
| OSMO_ASSERT(eua.v[1] == PDP_EUA_TYPE_v4); |
| OSMO_ASSERT(*(uint32_t *) &eua.v[2] == g_ia4.v4.s_addr); |
| |
| /* IPv6 address */ |
| OSMO_ASSERT(in46a_to_eua(&g_ia6, &eua) == 0); |
| OSMO_ASSERT(eua.v[0] == PDP_EUA_ORG_IETF); |
| OSMO_ASSERT(eua.v[1] == PDP_EUA_TYPE_v6); |
| OSMO_ASSERT(!memcmp(&eua.v[2], &g_ia6.v6, 16)); |
| |
| /* IPv6 address with prefix / length 8 */ |
| OSMO_ASSERT(in46a_to_eua(&ia_v6_8, &eua) == 0); |
| OSMO_ASSERT(eua.v[0] == PDP_EUA_ORG_IETF); |
| OSMO_ASSERT(eua.v[1] == PDP_EUA_TYPE_v6); |
| OSMO_ASSERT(!memcmp(&eua.v[2], &ia_v6_8.v6, 16)); |
| } |
| |
| static void test_in46a_from_eua(void) |
| { |
| struct in46_addr ia; |
| struct ul66_t eua; |
| const uint8_t v4_unspec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v4 }; |
| const uint8_t v4_spec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v4, 1,2,3,4 }; |
| const uint8_t v6_unspec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v6 }; |
| const uint8_t v6_spec[] = { PDP_EUA_ORG_IETF, PDP_EUA_TYPE_v6, |
| 1,2,3,4,5,6,7,8,9,0xa,0xb,0xc,0xd,0xe,0xf,0x10 }; |
| |
| memset(&eua, 0, sizeof(eua)); |
| |
| printf("Testing in46a_from_eua()\n"); |
| |
| /* default: v4 unspec */ |
| OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| OSMO_ASSERT(ia.len == 4); |
| OSMO_ASSERT(ia.v4.s_addr == 0); |
| |
| /* invalid */ |
| eua.v[0] = 0x23; |
| eua.v[1] = PDP_EUA_TYPE_v4; |
| eua.l = 6; |
| OSMO_ASSERT(in46a_from_eua(&eua, &ia) < 0); |
| |
| /* invalid */ |
| eua.v[0] = PDP_EUA_ORG_IETF; |
| eua.v[1] = 0x23; |
| eua.l = 6; |
| OSMO_ASSERT(in46a_from_eua(&eua, &ia) < 0); |
| |
| /* unspecified V4 */ |
| memcpy(eua.v, v4_unspec, sizeof(v4_unspec)); |
| eua.l = sizeof(v4_unspec); |
| OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| OSMO_ASSERT(ia.len == 4); |
| OSMO_ASSERT(ia.v4.s_addr == 0); |
| |
| /* specified V4 */ |
| memcpy(eua.v, v4_spec, sizeof(v4_spec)); |
| eua.l = sizeof(v4_spec); |
| OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| OSMO_ASSERT(ia.len == 4); |
| OSMO_ASSERT(ia.v4.s_addr == htonl(0x01020304)); |
| |
| /* unspecified V6 */ |
| memcpy(eua.v, v6_unspec, sizeof(v6_unspec)); |
| eua.l = sizeof(v6_unspec); |
| OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| OSMO_ASSERT(ia.len == 16); |
| OSMO_ASSERT(IN6_IS_ADDR_UNSPECIFIED(&ia.v6)); |
| |
| /* specified V6 */ |
| memcpy(eua.v, v6_spec, sizeof(v6_spec)); |
| eua.l = sizeof(v6_spec); |
| OSMO_ASSERT(in46a_from_eua(&eua, &ia) == 0); |
| OSMO_ASSERT(ia.len == 16); |
| OSMO_ASSERT(!memcmp(&ia.v6, v6_spec+2, ia.len)); |
| } |
| |
| static void test_in46a_netmasklen(void) |
| { |
| struct in46_addr netmask; |
| unsigned int len; |
| |
| printf("Testing in46a_netmasklen() with IPv4 addresses\n"); |
| netmask.len = 4; |
| |
| netmask.v4.s_addr = 0xffffffff; |
| len = in46a_netmasklen(&netmask); |
| OSMO_ASSERT(len == 32); |
| |
| netmask.v4.s_addr = 0x00ffffff; |
| len = in46a_netmasklen(&netmask); |
| OSMO_ASSERT(len == 24); |
| |
| netmask.v4.s_addr = 0x00f0ffff; |
| len = in46a_netmasklen(&netmask); |
| OSMO_ASSERT(len == 20); |
| |
| netmask.v4.s_addr = 0x000000fe; |
| len = in46a_netmasklen(&netmask); |
| OSMO_ASSERT(len == 7); |
| |
| netmask.v4.s_addr = 0x00000000; |
| len = in46a_netmasklen(&netmask); |
| OSMO_ASSERT(len == 0); |
| |
| printf("Testing in46a_netmasklen() with IPv6 addresses\n"); |
| const struct in46_addr netmaskA = { |
| .len = 16, |
| .v6.s6_addr = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}, |
| }; |
| len = in46a_netmasklen(&netmaskA); |
| OSMO_ASSERT(len == 128); |
| |
| const struct in46_addr netmaskB = { |
| .len = 16, |
| .v6.s6_addr = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00}, |
| }; |
| len = in46a_netmasklen(&netmaskB); |
| OSMO_ASSERT(len == 104); |
| |
| const struct in46_addr netmaskC = { |
| .len = 16, |
| .v6.s6_addr = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0x00,0x00,0x00}, |
| }; |
| len = in46a_netmasklen(&netmaskC); |
| OSMO_ASSERT(len == 103); |
| |
| const struct in46_addr netmaskD = { |
| .len = 16, |
| .v6.s6_addr = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, |
| }; |
| len = in46a_netmasklen(&netmaskD); |
| OSMO_ASSERT(len == 0); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| osmo_init_logging(&log_info); |
| log_set_use_color(osmo_stderr_target, 0); |
| log_set_print_filename(osmo_stderr_target, 0); |
| |
| srand(time(NULL)); |
| |
| test_in46a_to_af(); |
| test_in46a_to_sas(); |
| test_in46a_ntop(); |
| test_in46p_ntoa(); |
| test_in46a_equal(); |
| test_in46a_within_mask(); |
| test_in46a_to_eua(); |
| test_in46a_from_eua(); |
| test_in46a_netmasklen(); |
| } |