/*
* Copyright (c) 2025 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <sys/socket.h>
#include <sys/errno.h>
#include <sys/socketvar.h>
#include <sys/unpcb.h>
#include <err.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#include <darwintest/darwintest.h>
T_GLOBAL_META(
T_META_NAMESPACE("xnu.net"),
T_META_RADAR_COMPONENT_NAME("xnu"),
T_META_RADAR_COMPONENT_VERSION("networking"),
T_META_CHECK_LEAKS(false));
static void
do_test(int type)
{
ssize_t retval;
int sock[2];
T_LOG("test socket type %d", type);
T_ASSERT_POSIX_SUCCESS(socketpair(PF_LOCAL, type, 0, sock), "socketpair()");
T_LOG("socketpair: [%d, %d]", sock[0], sock[1]);
int optval = 1;
T_ASSERT_POSIX_SUCCESS(setsockopt(sock[0], SOL_SOCKET, SO_DEBUG, &optval, sizeof(optval)), "setsockopt(SO_DEBUG)");
struct timeval tv = { .tv_sec = 1, .tv_usec = 0 };
T_ASSERT_POSIX_SUCCESS(setsockopt(sock[0], SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(struct timeval)), "setsockopt(SO_RCVTIMEO)");
struct iovec iov0 = { .iov_base = NULL, .iov_len = 0 };
char cmsg_buf[CMSG_SPACE(sizeof(int))];
struct msghdr msghdr1 = {
.msg_name = NULL,
.msg_namelen = 0,
.msg_iov = &iov0,
.msg_iovlen = 1,
.msg_control = cmsg_buf,
.msg_controllen = sizeof(cmsg_buf),
.msg_flags = 0
};
struct cmsghdr * cmsg = CMSG_FIRSTHDR(&msghdr1);
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_RIGHTS;
*((int *) CMSG_DATA(cmsg)) = sock[0];
retval = sendmsg(sock[1], &msghdr1, 0);
if (retval == -1) {
T_LOG("sendmsg(msghdr1) error: %s", strerror(errno));
} else {
T_LOG("sendmsg msghdr1 %ld", retval);
}
struct iovec iov1 = { .iov_base = NULL, .iov_len = 0 };
struct msghdr msghdr2 = {
.msg_name = NULL,
.msg_namelen = 0,
.msg_iov = &iov1,
.msg_iovlen = 1,
.msg_control = NULL,
.msg_controllen = 0,
.msg_flags = 0
};
retval = recvmsg(sock[0], &msghdr2, MSG_WAITALL);
if (retval == -1) {
T_LOG("recvmsg(msghdr2) error: %s", strerror(errno));
} else {
T_LOG("recvmsg msghdr2 %ld", retval);
}
char * buf[0x10] = { 0 };
struct iovec iov2 = {
.iov_base = buf,
.iov_len = sizeof(buf),
};
struct msghdr msghdr3 = {
.msg_name = NULL,
.msg_namelen = 0,
.msg_iov = &iov2,
.msg_iovlen = 1,
.msg_control = NULL,
.msg_controllen = 0,
.msg_flags = 0
};
retval = recvmsg(sock[0], &msghdr3, MSG_WAITALL);
if (retval == -1) {
T_LOG("recvmsg(msghdr3) error: %s", strerror(errno));
} else {
T_LOG("recvmsg msghdr3 %ld", retval);
}
close(sock[0]);
close(sock[1]);
T_PASS("%s", __func__);
}
T_DECL(send_zero_payload_dgram, "repro-124040738 SOCK_DGRAM", T_META_ASROOT(true))
{
do_test(SOCK_DGRAM);
}
T_DECL(send_zero_payload_stream, "repro-124040738 SOCK_STREAM", T_META_ASROOT(true))
{
do_test(SOCK_STREAM);
}