1 /*
2 * Copyright (c) 2025 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29 #include <sys/socket.h>
30 #include <sys/errno.h>
31 #include <sys/socketvar.h>
32 #include <sys/unpcb.h>
33
34 #include <err.h>
35 #include <stdlib.h>
36 #include <stdint.h>
37 #include <stdio.h>
38 #include <string.h>
39 #include <sysexits.h>
40 #include <unistd.h>
41
42 #include <darwintest/darwintest.h>
43
44 T_GLOBAL_META(
45 T_META_NAMESPACE("xnu.net"),
46 T_META_RADAR_COMPONENT_NAME("xnu"),
47 T_META_RADAR_COMPONENT_VERSION("networking"),
48 T_META_CHECK_LEAKS(false));
49
50 static void
do_test(int type)51 do_test(int type)
52 {
53 ssize_t retval;
54 int sock[2];
55
56 T_LOG("test socket type %d", type);
57
58 T_ASSERT_POSIX_SUCCESS(socketpair(PF_LOCAL, type, 0, sock), "socketpair()");
59
60 T_LOG("socketpair: [%d, %d]", sock[0], sock[1]);
61
62 int optval = 1;
63 T_ASSERT_POSIX_SUCCESS(setsockopt(sock[0], SOL_SOCKET, SO_DEBUG, &optval, sizeof(optval)), "setsockopt(SO_DEBUG)");
64
65 struct timeval tv = { .tv_sec = 1, .tv_usec = 0 };
66 T_ASSERT_POSIX_SUCCESS(setsockopt(sock[0], SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(struct timeval)), "setsockopt(SO_RCVTIMEO)");
67
68 struct iovec iov0 = { .iov_base = NULL, .iov_len = 0 };
69
70 char cmsg_buf[CMSG_SPACE(sizeof(int))];
71 struct msghdr msghdr1 = {
72 .msg_name = NULL,
73 .msg_namelen = 0,
74 .msg_iov = &iov0,
75 .msg_iovlen = 1,
76 .msg_control = cmsg_buf,
77 .msg_controllen = sizeof(cmsg_buf),
78 .msg_flags = 0
79 };
80
81 struct cmsghdr * cmsg = CMSG_FIRSTHDR(&msghdr1);
82 cmsg->cmsg_len = CMSG_LEN(sizeof(int));
83 cmsg->cmsg_level = SOL_SOCKET;
84 cmsg->cmsg_type = SCM_RIGHTS;
85 *((int *) CMSG_DATA(cmsg)) = sock[0];
86
87 retval = sendmsg(sock[1], &msghdr1, 0);
88 if (retval == -1) {
89 T_LOG("sendmsg(msghdr1) error: %s", strerror(errno));
90 } else {
91 T_LOG("sendmsg msghdr1 %ld", retval);
92 }
93
94 struct iovec iov1 = { .iov_base = NULL, .iov_len = 0 };
95 struct msghdr msghdr2 = {
96 .msg_name = NULL,
97 .msg_namelen = 0,
98 .msg_iov = &iov1,
99 .msg_iovlen = 1,
100 .msg_control = NULL,
101 .msg_controllen = 0,
102 .msg_flags = 0
103 };
104
105 retval = recvmsg(sock[0], &msghdr2, MSG_WAITALL);
106 if (retval == -1) {
107 T_LOG("recvmsg(msghdr2) error: %s", strerror(errno));
108 } else {
109 T_LOG("recvmsg msghdr2 %ld", retval);
110 }
111
112 char * buf[0x10] = { 0 };
113 struct iovec iov2 = {
114 .iov_base = buf,
115 .iov_len = sizeof(buf),
116 };
117
118 struct msghdr msghdr3 = {
119 .msg_name = NULL,
120 .msg_namelen = 0,
121 .msg_iov = &iov2,
122 .msg_iovlen = 1,
123 .msg_control = NULL,
124 .msg_controllen = 0,
125 .msg_flags = 0
126 };
127
128 retval = recvmsg(sock[0], &msghdr3, MSG_WAITALL);
129 if (retval == -1) {
130 T_LOG("recvmsg(msghdr3) error: %s", strerror(errno));
131 } else {
132 T_LOG("recvmsg msghdr3 %ld", retval);
133 }
134
135 close(sock[0]);
136 close(sock[1]);
137
138 T_PASS("%s", __func__);
139 }
140
141 T_DECL(send_zero_payload_dgram, "repro-124040738 SOCK_DGRAM", T_META_ASROOT(true))
142 {
143 do_test(SOCK_DGRAM);
144 }
145
146 T_DECL(send_zero_payload_stream, "repro-124040738 SOCK_STREAM", T_META_ASROOT(true))
147 {
148 do_test(SOCK_STREAM);
149 }
150