/*	$OpenBSD: bio_host.c,v 1.1 2022/12/08 17:49:02 tb Exp $	*/
/*
 * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <arpa/inet.h>
#include <netinet/in.h>

#include <openssl/bio.h>

struct bio_get_host_ip_test {
	char *input;
	uint32_t ip;
	int ret;
};

struct bio_get_host_ip_test bio_get_host_ip_tests[] = {
	{"", 0, 0},
	{".", 0, 0},
	{"1", 0, 0},
	{"1.2", 0, 0},
	{"1.2.3", 0, 0},
	{"1.2.3.", 0, 0},
	{"1.2.3.4", 0x01020304, 1},
	{"1.2.3.256", 0, 0},
	{"1:2:3::4", 0, 0},
	{"0.0.0.0", INADDR_ANY, 1},
	{"127.0.0.1", INADDR_LOOPBACK, 1},
	{"localhost", INADDR_LOOPBACK, 1},
	{"255.255.255.255", INADDR_BROADCAST, 1},
	{"0xff.0xff.0xff.0xff", 0, 0},
};

#define N_BIO_GET_IP_TESTS \
    (sizeof(bio_get_host_ip_tests) / sizeof(*bio_get_host_ip_tests))

struct bio_get_port_test {
	char *input;
	unsigned short port;
	int ret;
};

struct bio_get_port_test bio_get_port_tests[] = {
	{NULL, 0, 0},
	{"", 0, 0},
	{"-1", 0, 0},
	{"0", 0, 1},
	{"1", 1, 1},
	{"12345", 12345, 1},
	{"65535", 65535, 1},
	{"65536", 0, 0},
	{"999999999999", 0, 0},
	{"xyzzy", 0, 0},
	{"https", 443, 1},
	{"imaps", 993, 1},
	{"telnet", 23, 1},
};

#define N_BIO_GET_PORT_TESTS \
    (sizeof(bio_get_port_tests) / sizeof(*bio_get_port_tests))

static int
do_bio_get_host_ip_tests(void)
{
	struct bio_get_host_ip_test *bgit;
	union {
		unsigned char c[4];
		uint32_t i;
	} ip;
	int failed = 0;
	size_t i;
	int ret;

	for (i = 0; i < N_BIO_GET_IP_TESTS; i++) {
		bgit = &bio_get_host_ip_tests[i];
		memset(&ip, 0, sizeof(ip));

		ret = BIO_get_host_ip(bgit->input, ip.c);
		if (ret != bgit->ret) {
			fprintf(stderr, "FAIL: test %zd (\"%s\") %s, want %s\n",
			    i, bgit->input, ret ? "success" : "failure",
			    bgit->ret ? "success" : "failure");
			failed = 1;
			continue;
		}
		if (ret && ntohl(ip.i) != bgit->ip) {
			fprintf(stderr, "FAIL: test %zd (\"%s\") returned ip "
			    "%x != %x\n", i, bgit->input,
			    ntohl(ip.i), bgit->ip);
			failed = 1;
		}
	}

	return failed;
}

static int
do_bio_get_port_tests(void)
{
	struct bio_get_port_test *bgpt;
	unsigned short port;
	int failed = 0;
	size_t i;
	int ret;

	for (i = 0; i < N_BIO_GET_PORT_TESTS; i++) {
		bgpt = &bio_get_port_tests[i];
		port = 0;

		ret = BIO_get_port(bgpt->input, &port);
		if (ret != bgpt->ret) {
			fprintf(stderr, "FAIL: test %zd (\"%s\") %s, want %s\n",
			    i, bgpt->input, ret ? "success" : "failure",
			    bgpt->ret ? "success" : "failure");
			failed = 1;
			continue;
		}
		if (ret && port != bgpt->port) {
			fprintf(stderr, "FAIL: test %zd (\"%s\") returned port "
			    "%u != %u\n", i, bgpt->input, port, bgpt->port);
			failed = 1;
		}
	}

	return failed;
}

int
main(int argc, char **argv)
{
	int failed = 0;

	failed |= do_bio_get_host_ip_tests();
	failed |= do_bio_get_port_tests();

	return failed;
}