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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2024 Gleb Smirnoff <glebius@FreeBSD.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <atf-c.h>
ATF_TC_WITHOUT_HEAD(implied_connect);
ATF_TC_BODY(implied_connect, tc)
{
struct sockaddr_in sin = {
.sin_family = AF_INET,
.sin_len = sizeof(sin),
};
const char buf[] = "hello";
char repl[sizeof(buf)];
socklen_t len;
int s, c, a;
ATF_REQUIRE(s = socket(PF_INET, SOCK_STREAM, 0));
ATF_REQUIRE(c = socket(PF_INET, SOCK_STREAM, 0));
ATF_REQUIRE(bind(s, (struct sockaddr *)&sin, sizeof(sin)) == 0);
len = sizeof(sin);
ATF_REQUIRE(getsockname(s, (struct sockaddr *)&sin, &len) == 0);
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
ATF_REQUIRE(listen(s, -1) == 0);
#if 0
/*
* The disabled code is that you would normally do.
*/
ATF_REQUIRE(connect(c, (struct sockaddr *)&sin, sizeof(sin)) == 0);
ATF_REQUIRE(send(c, &buf, sizeof(buf), 0) == sizeof(buf));
#else
/*
* And this is implied connect.
*/
ATF_REQUIRE(sendto(c, &buf, sizeof(buf), 0, (struct sockaddr *)&sin,
sizeof(sin)) == sizeof(buf));
#endif
ATF_REQUIRE((a = accept(s, NULL, NULL)) != 1);
ATF_REQUIRE(recv(a, &repl, sizeof(repl), 0) == sizeof(buf));
ATF_REQUIRE(strcmp(buf, repl) == 0);
}
/*
* A disconnected TCP socket shall return the local address it used before
* it was disconnected.
*/
ATF_TC_WITHOUT_HEAD(getsockname_disconnected);
ATF_TC_BODY(getsockname_disconnected, tc)
{
struct sockaddr_in sin = {
.sin_family = AF_INET,
.sin_len = sizeof(sin),
};
socklen_t len;
int s, c, a;
ATF_REQUIRE(s = socket(PF_INET, SOCK_STREAM, 0));
ATF_REQUIRE(c = socket(PF_INET, SOCK_STREAM, 0));
ATF_REQUIRE(bind(s, (struct sockaddr *)&sin, sizeof(sin)) == 0);
len = sizeof(sin);
ATF_REQUIRE(getsockname(s, (struct sockaddr *)&sin, &len) == 0);
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
ATF_REQUIRE(listen(s, -1) == 0);
ATF_REQUIRE(connect(c, (struct sockaddr *)&sin, sizeof(sin)) == 0);
ATF_REQUIRE((a = accept(s, NULL, NULL)) != 1);
ATF_REQUIRE(close(a) == 0);
ATF_REQUIRE(getsockname(c, (struct sockaddr *)&sin, &len) == 0);
ATF_REQUIRE(sin.sin_addr.s_addr == htonl(INADDR_LOOPBACK));
close(c);
close(s);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, implied_connect);
ATF_TP_ADD_TC(tp, getsockname_disconnected);
return (atf_no_error());
}
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