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//
// Copyright 2017 Garrett D'Amore <garrett@damore.org>
//
// 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 "convey.h"
#include "stubs.h"
#include <string.h>
#ifndef _WIN32
#include <arpa/inet.h>
#endif
static const char *
ip4tostr(void *addr)
{
static char buf[256];
#ifdef _WIN32
return (InetNtop(AF_INET, addr, buf, sizeof (buf)));
#else
return (inet_ntop(AF_INET, addr, buf, sizeof (buf)));
#endif
}
static const char *
ip6tostr(void *addr)
{
static char buf[256];
#ifdef _WIN32
return (InetNtop(AF_INET6, addr, buf, sizeof (buf)));
#else
return (inet_ntop(AF_INET6, addr, buf, sizeof (buf)));
#endif
}
// These work on Darwin, and should work on illumos, but they may
// depend on the local resolver configuration. We elect not to depend
// too much on them, since localhost can be configured weirdly. Notably
// the normal assumptions on Linux do *not* hold true.
#if 0
Convey("Localhost IPv4 resolves", {
nni_aio aio;
const char *str;
memset(&aio, 0, sizeof (aio));
nni_aio_init(&aio, NULL, NULL);
nni_plat_tcp_resolv("localhost", "80", NNG_AF_INET, 1,
&aio);
nni_aio_wait(&aio);
So(nni_aio_result(&aio) == 0);
So(aio.a_naddrs == 1);
So(aio.a_addrs[0].s_un.s_in.sa_family == NNG_AF_INET);
So(aio.a_addrs[0].s_un.s_in.sa_port == ntohs(80));
So(aio.a_addrs[0].s_un.s_in.sa_addr == ntohl(0x7f000001));
str = ip4tostr(&aio.a_addrs[0].s_un.s_in.sa_addr);
So(strcmp(str, "127.0.0.1") == 0);
nni_aio_fini(&aio);
}
);
Convey("Localhost IPv6 resolves", {
nni_aio aio;
memset(&aio, 0, sizeof (aio));
const char *str;
nni_aio_init(&aio, NULL, NULL);
nni_plat_tcp_resolv("localhost", "80", NNG_AF_INET6, 1,
&aio);
nni_aio_wait(&aio);
So(nni_aio_result(&aio) == 0);
So(aio.a_naddrs == 1);
So(aio.a_addrs[0].s_un.s_in6.sa_family == NNG_AF_INET6);
So(aio.a_addrs[0].s_un.s_in6.sa_port == ntohs(80));
str = ip6tostr(&aio.a_addrs[0].s_un.s_in6.sa_addr);
So(strcmp(str, "::1") == 0);
nni_aio_fini(&aio);
}
);
Convey("Localhost UNSPEC resolves", {
nni_aio aio;
memset(&aio, 0, sizeof (aio));
const char *str;
int i;
nni_aio_init(&aio, NULL, NULL);
nni_plat_tcp_resolv("localhost", "80", NNG_AF_UNSPEC, 1,
&aio);
nni_aio_wait(&aio);
So(nni_aio_result(&aio) == 0);
So(aio.a_naddrs == 2);
for (i = 0; i < 2; i++) {
switch (aio.a_addrs[i].s_un.s_family) {
case NNG_AF_INET6:
So(aio.a_addrs[i].s_un.s_in6.sa_port ==
ntohs(80));
str =
ip6tostr(&aio.a_addrs[i].s_un.s_in6.sa_addr);
So(strcmp(str, "::1") == 0);
break;
case NNG_AF_INET:
So(aio.a_addrs[i].s_un.s_in.sa_port ==
ntohs(80));
str =
ip4tostr(&aio.a_addrs[i].s_un.s_in.sa_addr);
So(strcmp(str, "127.0.0.1") == 0);
break;
default:
So(1 == 0);
}
}
So(aio.a_addrs[0].s_un.s_family !=
aio.a_addrs[1].s_un.s_family);
nni_aio_fini(&aio);
}
);
#endif
TestMain("TCP Resolver", {
nni_init();
Convey("Google DNS IPv4 resolves", {
nni_aio aio;
const char *str;
memset(&aio, 0, sizeof (aio));
nni_aio_init(&aio, NULL, NULL);
nni_plat_tcp_resolv("google-public-dns-a.google.com", "80", NNG_AF_INET, 1, &aio);
nni_aio_wait(&aio);
So(nni_aio_result(&aio) == 0);
So(aio.a_naddrs == 1);
So(aio.a_addrs[0].s_un.s_in.sa_family == NNG_AF_INET);
So(aio.a_addrs[0].s_un.s_in.sa_port == ntohs(80));
str = ip4tostr(&aio.a_addrs[0].s_un.s_in.sa_addr);
So(strcmp(str, "8.8.8.8") == 0);
nni_aio_fini(&aio);
}
);
Convey("Numeric resolves", {
nni_aio aio;
const char *str;
memset(&aio, 0, sizeof (aio));
nni_aio_init(&aio, NULL, NULL);
nni_plat_tcp_resolv("8.8.4.4", "80", NNG_AF_INET, 1, &aio);
nni_aio_wait(&aio);
So(nni_aio_result(&aio) == 0);
So(aio.a_naddrs == 1);
So(aio.a_addrs[0].s_un.s_in.sa_family == NNG_AF_INET);
So(aio.a_addrs[0].s_un.s_in.sa_port == ntohs(80));
str = ip4tostr(&aio.a_addrs[0].s_un.s_in.sa_addr);
So(strcmp(str, "8.8.4.4") == 0);
nni_aio_fini(&aio);
});
Convey("Name service resolves", {
nni_aio aio;
const char *str;
memset(&aio, 0, sizeof (aio));
nni_aio_init(&aio, NULL, NULL);
nni_plat_tcp_resolv("8.8.4.4", "http", NNG_AF_INET, 1, &aio);
nni_aio_wait(&aio);
So(nni_aio_result(&aio) == 0);
So(aio.a_naddrs == 1);
So(aio.a_addrs[0].s_un.s_in.sa_family == NNG_AF_INET);
So(aio.a_addrs[0].s_un.s_in.sa_port == ntohs(80));
str = ip4tostr(&aio.a_addrs[0].s_un.s_in.sa_addr);
So(strcmp(str, "8.8.4.4") == 0);
nni_aio_fini(&aio);
});
nni_fini();
})
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