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
28 /*
29 * Test routines to make sure a variety of system calls are or are not
30 * available in capability mode. The goal is not to see if they work, just
31 * whether or not they return the expected ECAPMODE.
32 */
33
34 #include <sys/cdefs.h>
35 #include <sys/types.h>
36
37 #include <sys/capsium.h>
38 #include <sys/errno.h>
39 #include <sys/procdesc.h>
40 #include <sys/resource.h>
41 #include <sys/stat.h>
42 #include <sys/wait.h>
43
44 #include <err.h>
45 #include <stdlib.h>
46 #include <string.h>
47 #include <unistd.h>
48
49 #include <stdio.h>
50 #include <time.h>
51
52 #include "cap_test.h"
53
54 int
test_pdfork(void)55 test_pdfork(void)
56 {
57 struct stat stat;
58 int success = PASSED;
59 int pd, error;
60 pid_t pid;
61 time_t now;
62
63 //cap_enter();
64
65 pid = pdfork(&pd, 0);
66 if (pid < 0)
67 err(-1, "pdfork");
68
69 else if (pid == 0) {
70 /*
71 * Child process.
72 *
73 * pd should not be a valid process descriptor.
74 */
75 error = pdgetpid(pd, &pid);
76 if (error != -1)
77 FAILX("pdgetpid succeeded");
78 else if (errno != EBADF)
79 FAIL("pdgetpid failed, but errno != EBADF");
80
81 exit(success);
82 }
83
84 /* Parent process. Ensure that [acm]times have been set correctly. */
85 REQUIRE(fstat(pd, &stat));
86
87 now = time(NULL);
88 CHECK(now != (time_t)-1);
89
90 CHECK(now >= stat.st_birthtime);
91 CHECK((now - stat.st_birthtime) < 2);
92 CHECK(stat.st_birthtime == stat.st_atime);
93 CHECK(stat.st_atime == stat.st_ctime);
94 CHECK(stat.st_ctime == stat.st_mtime);
95
96 /* Wait for the child to finish. */
97 error = pdgetpid(pd, &pid);
98 CHECK(error == 0);
99 CHECK(pid > 0);
100
101 int status;
102 while (waitpid(pid, &status, 0) != pid) {}
103 if ((success == PASSED) && WIFEXITED(status))
104 success = WEXITSTATUS(status);
105 else
106 success = FAILED;
107
108 return (success);
109 }
110