1/*-
2 * Copyright (c) 2009-2011 Robert N. M. Watson
3 * Copyright (c) 2011 Jonathan Anderson
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30/*
31 * Test routines to make sure a variety of system calls are or are not
32 * available in capability mode.  The goal is not to see if they work, just
33 * whether or not they return the expected ECAPMODE.
34 */
35
36#include <sys/cdefs.h>
37__FBSDID("$FreeBSD$");
38
39#include <sys/types.h>
40
41#include <sys/capsium.h>
42#include <sys/errno.h>
43#include <sys/procdesc.h>
44#include <sys/resource.h>
45#include <sys/stat.h>
46#include <sys/wait.h>
47
48#include <err.h>
49#include <stdlib.h>
50#include <string.h>
51#include <unistd.h>
52
53#include <stdio.h>
54#include <time.h>
55
56#include "cap_test.h"
57
58int
59test_pdfork(void)
60{
61	struct stat stat;
62	int success = PASSED;
63	int pd, error;
64	pid_t pid;
65	time_t now;
66
67	//cap_enter();
68
69	pid = pdfork(&pd, 0);
70	if (pid < 0)
71		err(-1, "pdfork");
72
73	else if (pid == 0) {
74		/*
75		 * Child process.
76		 *
77		 * pd should not be a valid process descriptor.
78		 */
79		error = pdgetpid(pd, &pid);
80		if (error != -1)
81			FAILX("pdgetpid succeeded");
82		else if (errno != EBADF)
83			FAIL("pdgetpid failed, but errno != EBADF");
84
85		exit(success);
86	}
87
88	/* Parent process. Ensure that [acm]times have been set correctly. */
89	REQUIRE(fstat(pd, &stat));
90
91	now = time(NULL);
92	CHECK(now != (time_t)-1);
93
94	CHECK(now >= stat.st_birthtime);
95	CHECK((now - stat.st_birthtime) < 2);
96	CHECK(stat.st_birthtime == stat.st_atime);
97	CHECK(stat.st_atime == stat.st_ctime);
98	CHECK(stat.st_ctime == stat.st_mtime);
99
100	/* Wait for the child to finish. */
101	error = pdgetpid(pd, &pid);
102	CHECK(error == 0);
103	CHECK(pid > 0);
104
105	int status;
106	while (waitpid(pid, &status, 0) != pid) {}
107	if ((success == PASSED) && WIFEXITED(status))
108		success = WEXITSTATUS(status);
109	else
110		success = FAILED;
111
112	return (success);
113}
114