xref: /freebsd/tools/regression/security/cap_test/cap_test_pdkill.c (revision 8d20be1e22095c27faf8fe8b2f0d089739cc742e)
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/capability.h>
42 #include <sys/errno.h>
43 #include <sys/procdesc.h>
44 #include <sys/resource.h>
45 #include <sys/wait.h>
46 
47 #include <err.h>
48 #include <signal.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <unistd.h>
52 
53 #include <stdio.h>
54 
55 #include "cap_test.h"
56 
57 void handle_signal(int);
58 void handle_signal(int sig) {
59 	exit(PASSED);
60 }
61 
62 int
63 test_pdkill(void)
64 {
65 	int success = PASSED;
66 	int pd, error;
67 	pid_t pid;
68 
69 	//cap_enter();
70 
71 	error = pdfork(&pd, 0);
72 	if (error < 0)
73 		err(-1, "pdfork");
74 
75 	else if (error == 0) {
76 		signal(SIGINT, handle_signal);
77 		sleep(3600);
78 		exit(FAILED);
79 	}
80 
81 	/* Parent process; find the child's PID (we'll need it later). */
82 	error = pdgetpid(pd, &pid);
83 	if (error != 0)
84 		FAIL("pdgetpid");
85 
86 	/* Kill the child! */
87 	usleep(100);
88 	error = pdkill(pd, SIGINT);
89 	if (error != 0)
90 		FAIL("pdkill");
91 
92 	/* Make sure the child finished properly. */
93 	int status;
94 	while (waitpid(pid, &status, 0) != pid) {}
95 	if ((success == PASSED) && WIFEXITED(status))
96 		success = WEXITSTATUS(status);
97 	else
98 		success = FAILED;
99 
100 	return (success);
101 }
102