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//
// Copyright 2024 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#include "core/nng_impl.h"
#include <nuts.h>
#ifdef NNG_ENABLE_IPV6
uint8_t v6loop[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
static bool
has_v6(void)
{
nng_sockaddr sa;
nni_plat_udp *u;
int rv;
nni_init(); // ensure that platform poller is up
sa.s_in6.sa_family = NNG_AF_INET6;
sa.s_in6.sa_port = 0;
memcpy(sa.s_in6.sa_addr, v6loop, 16);
rv = nni_plat_udp_open(&u, &sa);
if (rv == 0) {
nni_plat_udp_close(u);
}
return (rv == 0);
}
#endif
void
test_google_dns(void)
{
nng_aio *aio;
nng_sockaddr sa;
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
nni_resolv_ip("google-public-dns-a.google.com", "80", NNG_AF_INET,
true, &sa, aio);
nng_aio_wait(aio);
NUTS_PASS(nng_aio_result(aio));
NUTS_TRUE(sa.s_in.sa_family == NNG_AF_INET);
NUTS_TRUE(sa.s_in.sa_port == nuts_be16(80));
NUTS_TRUE(sa.s_in.sa_addr == 0x08080808); // aka 8.8.8.8
nng_aio_free(aio);
}
void
test_numeric_addr(void)
{
nng_aio *aio;
nng_sockaddr sa;
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
nni_resolv_ip("8.8.4.4", "69", NNG_AF_INET, true, &sa, aio);
nng_aio_wait(aio);
NUTS_PASS(nng_aio_result(aio));
NUTS_TRUE(sa.s_in.sa_family == NNG_AF_INET);
NUTS_TRUE(sa.s_in.sa_port == nuts_be16(69));
NUTS_TRUE(sa.s_in.sa_addr == nuts_be32(0x08080404)); // 8.8.4.4.
nng_aio_free(aio);
}
#ifdef NNG_ENABLE_IPV6
void
test_numeric_v6(void)
{
nng_aio *aio;
nng_sockaddr sa;
if (!has_v6()) {
return;
}
NUTS_MSG("IPV6 support present");
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
nni_resolv_ip("::1", "80", NNG_AF_INET6, true, &sa, aio);
nng_aio_wait(aio);
NUTS_PASS(nng_aio_result(aio));
NUTS_TRUE(sa.s_in6.sa_family == NNG_AF_INET6);
NUTS_TRUE(sa.s_in6.sa_port == nuts_be16(80));
NUTS_TRUE(memcmp(sa.s_in6.sa_addr, v6loop, 16) == 0);
nng_aio_free(aio);
}
#endif
void
test_service_names(void)
{
nng_aio *aio;
nng_sockaddr sa;
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
nni_resolv_ip("8.8.4.4", "http", NNG_AF_INET, true, &sa, aio);
nng_aio_wait(aio);
NUTS_PASS(nng_aio_result(aio));
NUTS_TRUE(sa.s_in.sa_port == nuts_be16(80));
NUTS_TRUE(sa.s_in.sa_addr = nuts_be32(0x08080404));
nng_aio_free(aio);
}
void
test_localhost_v4(void)
{
nng_aio *aio;
nng_sockaddr sa;
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
nni_resolv_ip("localhost", "80", NNG_AF_INET, true, &sa, aio);
nng_aio_wait(aio);
NUTS_PASS(nng_aio_result(aio));
NUTS_TRUE(sa.s_in.sa_family == NNG_AF_INET);
NUTS_TRUE(sa.s_in.sa_port == nuts_be16(80));
NUTS_TRUE(sa.s_in.sa_addr == nuts_be32(0x7f000001));
nng_aio_free(aio);
}
void
test_localhost_unspecified(void)
{
nng_aio *aio;
nng_sockaddr sa;
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
nni_resolv_ip("localhost", "80", NNG_AF_UNSPEC, true, &sa, aio);
nng_aio_wait(aio);
NUTS_PASS(nng_aio_result(aio));
NUTS_TRUE(
(sa.s_family == NNG_AF_INET) || (sa.s_family == NNG_AF_INET6));
switch (sa.s_family) {
case NNG_AF_INET:
NUTS_TRUE(sa.s_in.sa_port == nuts_be16(80));
NUTS_TRUE(sa.s_in.sa_addr == nuts_be32(0x7f000001));
break;
#ifdef NNG_ENABLE_IPV6
case NNG_AF_INET6:
NUTS_TRUE(sa.s_in6.sa_port == nuts_be16(80));
NUTS_TRUE(memcmp(sa.s_in6.sa_addr, v6loop, 16) == 0);
break;
#endif
}
nng_aio_free(aio);
}
void
test_null_passive(void)
{
nng_aio *aio;
nng_sockaddr sa;
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
nni_resolv_ip(NULL, "80", NNG_AF_INET, true, &sa, aio);
nng_aio_wait(aio);
NUTS_PASS(nng_aio_result(aio));
NUTS_TRUE(sa.s_in.sa_family == NNG_AF_INET);
NUTS_TRUE(sa.s_in.sa_port == nuts_be16(80));
NUTS_TRUE(sa.s_in.sa_addr == 0); // any local address
nng_aio_free(aio);
}
void
test_null_not_passive(void)
{
nng_aio *aio;
nng_sockaddr sa;
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
nni_resolv_ip(NULL, "80", NNG_AF_INET, false, &sa, aio);
nng_aio_wait(aio);
// We can either get invalid address, or a loopback address.
// Most systems do the former, but Linux does the latter.
if (nng_aio_result(aio) == 0) {
NUTS_TRUE(sa.s_family == NNG_AF_INET);
NUTS_TRUE(sa.s_in.sa_addr == nuts_be32(0x7f000001));
NUTS_TRUE(sa.s_in.sa_port == nuts_be16(80));
} else {
NUTS_FAIL(nng_aio_result(aio), NNG_EADDRINVAL);
}
nng_aio_free(aio);
}
void
test_bad_port_number(void)
{
nng_aio *aio;
nng_sockaddr sa;
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
nni_resolv_ip("1.1.1.1", "1000000", NNG_AF_INET, true, &sa, aio);
nng_aio_wait(aio);
NUTS_FAIL(nng_aio_result(aio), NNG_EADDRINVAL);
nng_aio_free(aio);
}
NUTS_TESTS = {
{ "resolve google dns", test_google_dns },
{ "resolve numeric addr", test_numeric_addr },
#ifdef NNG_ENABLE_IPV6
{ "resolve numeric v6", test_numeric_v6 },
#endif
{ "resolve service names", test_service_names },
{ "resolve localhost v4", test_localhost_v4 },
{ "resolve localhost unspecified", test_localhost_unspecified },
{ "resolve null passive", test_null_passive },
{ "resolve null not passive", test_null_not_passive },
{ "resolve bad port number", test_bad_port_number },
{ NULL, NULL },
};
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