2 * Copyright (c) 2018 John Baldwin <jhb@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/capsicum.h>
31 #include <sys/filio.h>
32 #include <sys/socket.h>
34 #include <netinet/in.h>
42 * A variant of ATF_REQUIRE that is suitable for use in child
43 * processes. This only works if the parent process is tripped up by
44 * the early exit and fails some requirement itself.
46 #define CHILD_REQUIRE(exp) do { \
48 child_fail_require(__FILE__, __LINE__, \
53 child_fail_require(const char *file, int line, const char *str)
57 snprintf(buf, sizeof(buf), "%s:%d: %s\n", file, line, str);
58 write(2, buf, strlen(buf));
63 * Exercise the edge case of a custom ioctl list being copied from a
64 * listen socket to an accepted socket.
66 ATF_TC_WITHOUT_HEAD(cap_ioctls__listen_copy);
67 ATF_TC_BODY(cap_ioctls__listen_copy, tc)
69 struct sockaddr_in sin;
71 u_long cmds[] = { FIONREAD };
77 s[0] = socket(AF_INET, SOCK_STREAM, 0);
78 ATF_REQUIRE(s[0] > 0);
80 /* Bind to an arbitrary unused port. */
81 memset(&sin, 0, sizeof(sin));
82 sin.sin_len = sizeof(sin);
83 sin.sin_family = AF_INET;
85 sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
86 ATF_REQUIRE(bind(s[0], (struct sockaddr *)&sin, sizeof(sin)) == 0);
88 CHILD_REQUIRE(listen(s[0], 1) == 0);
91 ATF_REQUIRE(getsockname(s[0], (struct sockaddr *)&sin, &len) == 0);
92 ATF_REQUIRE(len == sizeof(sin));
94 cap_rights_init(&rights, CAP_ACCEPT, CAP_IOCTL);
95 ATF_REQUIRE(cap_rights_limit(s[0], &rights) == 0);
96 ATF_REQUIRE(cap_ioctls_limit(s[0], cmds, nitems(cmds)) == 0);
100 s[1] = accept(s[0], NULL, NULL);
101 CHILD_REQUIRE(s[1] > 0);
103 /* Close both sockets during exit(). */
107 ATF_REQUIRE(pid > 0);
109 ATF_REQUIRE(close(s[0]) == 0);
110 s[1] = socket(AF_INET, SOCK_STREAM, 0);
111 ATF_REQUIRE(s[1] > 0);
112 ATF_REQUIRE(connect(s[1], (struct sockaddr *)&sin, sizeof(sin)) == 0);
113 ATF_REQUIRE(read(s[1], &dummy, sizeof(dummy)) == 0);
114 ATF_REQUIRE(close(s[1]) == 0);
116 ATF_REQUIRE(wait(&status) == pid);
117 ATF_REQUIRE(WIFEXITED(status));
118 ATF_REQUIRE(WEXITSTATUS(status) == 0);
124 ATF_TP_ADD_TC(tp, cap_ioctls__listen_copy);
126 return (atf_no_error());