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