/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2018 Alan Somers
*
* 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 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 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/cdefs.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <signal.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <stdio.h>
#include <atf-c.h>
static void
do_socketpair(int *sv)
{
int s;
s = socketpair(PF_LOCAL, SOCK_STREAM, 0, sv);
ATF_REQUIRE_EQ(0, s);
ATF_REQUIRE(sv[0] >= 0);
ATF_REQUIRE(sv[1] >= 0);
ATF_REQUIRE(sv[0] != sv[1]);
}
/* getpeereid(3) should work with stream sockets created via socketpair(2) */
ATF_TC_WITHOUT_HEAD(getpeereid);
ATF_TC_BODY(getpeereid, tc)
{
int sv[2];
uid_t real_euid, euid;
gid_t real_egid, egid;
real_euid = geteuid();
real_egid = getegid();
do_socketpair(sv);
ATF_REQUIRE_EQ(0, getpeereid(sv[0], &euid, &egid));
ATF_CHECK_EQ(real_euid, euid);
ATF_CHECK_EQ(real_egid, egid);
ATF_REQUIRE_EQ(0, getpeereid(sv[1], &euid, &egid));
ATF_CHECK_EQ(real_euid, euid);
ATF_CHECK_EQ(real_egid, egid);
close(sv[0]);
close(sv[1]);
}
/* Sending zero bytes should succeed (once regressed in aba79b0f4a3f). */
ATF_TC_WITHOUT_HEAD(send_0);
ATF_TC_BODY(send_0, tc)
{
int sv[2];
do_socketpair(sv);
ATF_REQUIRE(send(sv[0], sv, 0, 0) == 0);
close(sv[0]);
close(sv[1]);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, getpeereid);
ATF_TP_ADD_TC(tp, send_0);
return atf_no_error();
}
