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/*
* Copyright (C) 2013 - David Goulet <dgoulet@ev0ke.net>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License, version 2 only, as
* published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <arpa/inet.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <lib/torsocks.h>
#include <tap/tap.h>
#include "helpers.h"
#define NUM_TESTS 6
struct test_host {
const char *name;
const char *ip;
};
/* Tor check hostname/ip. */
static const struct test_host tor_check = {
.name = "perdulce.torproject.org",
.ip = "49.12.57.140",
};
/* moria1 directory authority. */
static const struct test_host tor_dir_auth1 = {
.name = "belegost.csail.mit.edu",
.ip = "128.31.0.39",
};
/* maatuska directory authority. */
static const struct test_host tor_dir_auth2 = {
.name = "maatuska.4711.se",
.ip = "171.25.193.9",
};
/* localhost resolution. */
static const struct test_host tor_localhost = {
.name = "localhost",
.ip = "127.0.0.1",
};
static void test_gethostbyname(const struct test_host *host)
{
struct hostent *he;
assert(host);
diag("gethostbyname test");
he = gethostbyname(host->name);
if (he) {
char *addr = inet_ntoa(*((struct in_addr *) he->h_addr_list[0]));
ok(strcmp(addr, host->ip) == 0, "Resolving %s", host->name);
} else {
fail("Resolving %s", host->name);
}
return;
}
static void test_gethostbyaddr_r_failed(void)
{
int result;
in_addr_t addr;
struct hostent ret;
char buf[1024];
int buflen = sizeof buf;
struct hostent *result_entp;
int h_errno;
diag("gethostbyaddr_r test");
/* RFC 6890 - An address from TEST-NET-1. Selected in hopes that it will
+ * _not_ reverse resolve to anything.
+ */
addr = inet_addr("192.0.2.1");
result = gethostbyaddr_r((const void *)&addr,
INET_ADDRSTRLEN, AF_INET, &ret, buf, buflen, &result_entp, &h_errno);
ok(0 != result, "Impossible reverse resolve failed as desired.");
}
static void test_gethostbyaddr_r(const struct test_host *host)
{
int result;
in_addr_t addr;
struct hostent ret;
char buf[1024];
int buflen = sizeof buf;
struct hostent *result_entp;
int h_errno;
assert(host);
diag("gethostbyaddr_r test");
addr = inet_addr(host->ip);
result = gethostbyaddr_r((const void *)&addr,
INET_ADDRSTRLEN, AF_INET, &ret, buf, buflen, &result_entp, &h_errno);
if (result) {
fail("Resolving address %s: %d", host->ip, result);
}
if (strcmp(host->name, result_entp->h_name) != 0) {
fail("Wrong resolved name: %s", result_entp->h_name);
}
if (result_entp->h_addrtype != AF_INET) {
fail("Wrong resolved address family: %d", result_entp->h_addrtype);
}
ok(1, "Resolved address");
}
static void test_gethostbyaddr(const struct test_host *host)
{
struct hostent *he;
in_addr_t addr;
assert(host);
diag("gethostbyaddr test");
addr = inet_addr(host->ip);
he = gethostbyaddr((const void *)&addr, INET_ADDRSTRLEN, AF_INET);
if (he) {
ok(strcmp(host->name, he->h_name) == 0, "Resolving address %s", host->ip);
} else {
fail("Resolving address %s", host->ip);
}
return;
}
static void test_getaddrinfo(const struct test_host *host)
{
int ret;
struct addrinfo hints;
struct addrinfo *result = NULL;
diag("getaddrinfo test");
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE; /* For wildcard IP address */
hints.ai_protocol = 0; /* Any protocol */
hints.ai_canonname = NULL;
hints.ai_addr = NULL;
hints.ai_next = NULL;
ret = getaddrinfo(host->name, NULL, &hints, &result);
if (ret == 0) {
struct in_addr addr;
char *ip;
addr.s_addr = ((struct sockaddr_in *)(result->ai_addr))->sin_addr.s_addr;
ip = inet_ntoa(addr);
ok(strcmp(host->ip, ip) == 0,
"Resolving address %s with getaddrinfo", host->name);
} else {
printf("%s\n", gai_strerror(ret));
fail("Resolving address %s with getaddrinfo", host->name);
}
free(result);
return;
}
int main(int argc, char **argv)
{
/* Try to connect to SocksPort localhost:9050 and if we can't skip. This is
* to avoid to have failing test if no tor daemon is available. */
if (!helper_is_default_tor_running()) {
goto end;
}
/* Libtap call for the number of tests planned. */
plan_tests(NUM_TESTS);
test_getaddrinfo(&tor_check);
test_gethostbyname(&tor_dir_auth1);
test_gethostbyaddr(&tor_dir_auth2);
test_gethostbyaddr_r(&tor_dir_auth2);
test_gethostbyaddr_r_failed();
test_getaddrinfo(&tor_localhost);
end:
return exit_status();
}
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