/* tests for osmo_sockaddr_str API of libmsomcore */ /* * (C) 2019 by sysmocom - s.f.m.c. GmbH * * Author: neels@hofmeyr.de * * All Rights Reserved * * SPDX-License-Identifier: GPL-2.0+ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #include #include #include #include #include #include struct osmo_sockaddr_str oip_data[] = { { .af = AF_INET, .ip = "1.2.3.4", .port = 5 }, { .af = AF_INET, .ip = "0.0.0.0", .port = 0 }, { .af = AF_INET, .ip = "255.255.255.255", .port = 65535 }, { .af = AF_INET, .ip = "0.0.0.256", .port = 1 }, { .af = AF_INET, .ip = "not an ip address", .port = 1 }, { .af = AF_INET6, .ip = "1:2:3::4", .port = 5 }, { .af = AF_INET6, .ip = "::", .port = 0 }, { .af = AF_INET6, .ip = "::1", .port = 0 }, { .af = AF_INET6, .ip = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", .port = 65535 }, { .af = AF_INET6, .ip = "FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF", .port = 65535 }, { .af = AF_INET6, .ip = "::fffff", .port = 1 }, { .af = AF_INET6, .ip = "not an ip address", .port = 1 }, { .af = AF_INET6, .ip = "1.2.3.4", .port = 5 }, { .af = AF_INET, .ip = "1:2:3::4", .port = 5 }, { .af = AF_UNSPEC, .ip = "1.2.3.4", .port = 5 }, { .af = AF_INET, .ip = "", .port = 5 }, { .af = AF_INET6, .ip = "", .port = 5 }, { .af = AF_INET, .ip = "1.2.3.4", .port = 0 }, { .af = AF_INET, .ip = "1.2.3:4:5", .port = 0 }, { .af = AF_INET6, .ip = "::1:10.9.8.7", .port = 1 }, { .af = AF_INET, .ip = "0.0.0.0", .port = 5 }, { .af = AF_INET6, .ip = "::", .port = 5 }, { .af = AF_INET6, .ip = "0::", .port = 5 }, }; const char *af_name(int af) { switch (af) { case AF_INET: return "AF_INET"; case AF_INET6: return "AF_INET6"; case AF_UNSPEC: return "AF_UNSPEC"; default: return "?"; } } static inline const char *rc_name(int rc) { switch (rc) { case -EINVAL: return "rc == -EINVAL"; case -EAFNOSUPPORT: return "rc == -EAFNOSUPPORT"; case 0: return "rc == 0"; default: return rc < 0 ? "rc < 0" : "rc > 0"; } } void dump_oip(const struct osmo_sockaddr_str *oip) { printf("{ .af = %s, .ip = %s, .port = %u }\n", af_name(oip->af), osmo_quote_str(oip->ip, -1), oip->port); } void sockaddr_str_test_conversions(void) { int i; char buf[1024]; #define hexdump(what) \ osmo_hexdump_buf(buf, sizeof(buf), (void*)(&what), sizeof(what), "", false) for (i = 0; i < ARRAY_SIZE(oip_data); i++) { struct osmo_sockaddr_str *x = &oip_data[i]; int rc; printf("\n\n"); dump_oip(x); printf(" OSMO_SOCKADDR_STR_FMT: '" OSMO_SOCKADDR_STR_FMT "'\n", OSMO_SOCKADDR_STR_FMT_ARGS(x)); printf(" osmo_sockaddr_str_is_set() = %s\n", osmo_sockaddr_str_is_set(x) ? "true" : "false"); printf(" osmo_sockaddr_str_is_nonzero() = %s\n", osmo_sockaddr_str_is_nonzero(x) ? "true" : "false"); { struct in_addr a = {}; rc = osmo_sockaddr_str_to_in_addr(x, &a); printf(" osmo_sockaddr_str_to_in_addr() %s in_addr=%s\n", rc_name(rc), hexdump(a)); if (rc == 0) { struct osmo_sockaddr_str back; rc = osmo_sockaddr_str_from_in_addr(&back, &a, x->port); printf(" -> osmo_sockaddr_str_from_in_addr() %s ", rc_name(rc)); dump_oip(&back); if (memcmp(x, &back, sizeof(back))) printf(" DIFFERS!\n"); } } { struct in6_addr a = {}; rc = osmo_sockaddr_str_to_in6_addr(x, &a); printf(" osmo_sockaddr_str_to_in6_addr() %s in6_addr=%s\n", rc_name(rc), hexdump(a)); if (rc == 0) { struct osmo_sockaddr_str back; rc = osmo_sockaddr_str_from_in6_addr(&back, &a, x->port); printf(" -> osmo_sockaddr_str_from_in6_addr() %s ", rc_name(rc)); dump_oip(&back); if (memcmp(x, &back, sizeof(back))) printf(" DIFFERS!\n"); } } { uint32_t a = 0; rc = osmo_sockaddr_str_to_32(x, &a); printf(" osmo_sockaddr_str_to_32() %s uint8_t[4]=[ %s]\n", rc_name(rc), osmo_hexdump((void*)&a, sizeof(a))); if (rc == 0) { struct osmo_sockaddr_str back; rc = osmo_sockaddr_str_from_32(&back, a, x->port); printf(" -> osmo_sockaddr_str_from_32() %s ", rc_name(rc)); dump_oip(&back); if (memcmp(x, &back, sizeof(back))) printf(" DIFFERS!\n"); } } { uint32_t a = 0; rc = osmo_sockaddr_str_to_32h(x, &a); printf(" osmo_sockaddr_str_to_32h() %s uint8_t[4]=[ %s]\n", rc_name(rc), osmo_hexdump((void*)&a, sizeof(a))); if (rc == 0) { struct osmo_sockaddr_str back; rc = osmo_sockaddr_str_from_32h(&back, a, x->port); printf(" -> osmo_sockaddr_str_from_32h() %s ", rc_name(rc)); dump_oip(&back); if (memcmp(x, &back, sizeof(back))) printf(" DIFFERS!\n"); } } { struct sockaddr_in a = {}; rc = osmo_sockaddr_str_to_sockaddr_in(x, &a); printf(" osmo_sockaddr_str_to_sockaddr_in() %s sockaddr_in=%s\n", rc_name(rc), hexdump(a)); if (rc == 0) { struct osmo_sockaddr_str back; rc = osmo_sockaddr_str_from_sockaddr_in(&back, &a); printf(" -> osmo_sockaddr_str_from_sockaddr_in() %s ", rc_name(rc)); dump_oip(&back); if (memcmp(x, &back, sizeof(back))) printf(" DIFFERS!\n"); } } { struct sockaddr_in6 a = {}; rc = osmo_sockaddr_str_to_sockaddr_in6(x, &a); printf(" osmo_sockaddr_str_to_sockaddr_in6() %s sockaddr_in6=%s\n", rc_name(rc), hexdump(a)); if (rc == 0) { struct osmo_sockaddr_str back; rc = osmo_sockaddr_str_from_sockaddr_in6(&back, &a); printf(" -> osmo_sockaddr_str_from_sockaddr_in6() %s ", rc_name(rc)); dump_oip(&back); if (memcmp(x, &back, sizeof(back))) printf(" DIFFERS!\n"); } } { struct sockaddr_storage a = {}; rc = osmo_sockaddr_str_to_sockaddr(x, &a); printf(" osmo_sockaddr_str_to_sockaddr() %s sockaddr_storage=%s\n", rc_name(rc), hexdump(a)); if (rc == 0) { struct osmo_sockaddr_str back; rc = osmo_sockaddr_str_from_sockaddr(&back, &a); printf(" -> osmo_sockaddr_str_from_sockaddr() %s ", rc_name(rc)); dump_oip(&back); if (memcmp(x, &back, sizeof(back))) printf(" DIFFERS!\n"); } } { struct osmo_sockaddr_str from_str; rc = osmo_sockaddr_str_from_str(&from_str, x->ip, x->port); printf(" osmo_sockaddr_str_from_str() %s ", rc_name(rc)); dump_oip(&from_str); if (rc == 0 && memcmp(x, &from_str, sizeof(from_str))) printf(" DIFFERS!\n"); } } } static void test_osmo_sockaddr_str_cmp(void) { int i; printf("\n\n%s\n", __func__); for (i = 0; i < ARRAY_SIZE(oip_data); i++) { /* use a copy to not hit the pointer comparison in osmo_sockaddr_str_cmp(). */ struct osmo_sockaddr_str _a = oip_data[i]; struct osmo_sockaddr_str *a = &_a; int j; printf("[%2d]\n", i); for (j = 0; j < ARRAY_SIZE(oip_data); j++) { struct osmo_sockaddr_str *b = &oip_data[j]; int ip_rc = osmo_sockaddr_str_cmp(a, b); printf(" osmo_sockaddr_str_cmp(): " OSMO_SOCKADDR_STR_FMT "%s %s " OSMO_SOCKADDR_STR_FMT "%s\n", OSMO_SOCKADDR_STR_FMT_ARGS(a), osmo_sockaddr_str_is_nonzero(a) ? "" : "(zero)", ip_rc < 0? "<" : (ip_rc == 0 ? "==" : ">" ), OSMO_SOCKADDR_STR_FMT_ARGS(b), osmo_sockaddr_str_is_nonzero(b) ? "" : "(zero)"); } } } int main(int argc, char **argv) { sockaddr_str_test_conversions(); test_osmo_sockaddr_str_cmp(); return 0; }