/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- exec_common_fork
- exec_badprog
- exec_emptyprog
- exec_badargs
- exec_onearg
- test_execv
1 /*
2 * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
3 * The President and Fellows of Harvard College.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 /*
31 * bad calls to execv()
32 */
33
34 #include <sys/types.h>
35 #include <stdlib.h>
36 #include <unistd.h>
37 #include <errno.h>
38 #include <err.h>
39
40 #include "config.h"
41 #include "test.h"
42
43 static
44 int
45 exec_common_fork(void)
46 {
47 int pid, rv, status;
48
49 pid = fork();
50 if (pid<0) {
51 warn("UH-OH: fork failed");
52 return -1;
53 }
54
55 if (pid==0) {
56 /* child */
57 return 0;
58 }
59
60 rv = waitpid(pid, &status, 0);
61 if (rv == -1) {
62 warn("UH-OH: waitpid failed");
63 return -1;
64 }
65 if (!WIFEXITED(status) || WEXITSTATUS(status) != MAGIC_STATUS) {
66 warnx("FAILURE: wrong exit code of subprocess");
67 }
68 return 1;
69 }
70
71 static
72 void
73 exec_badprog(const void *prog, const char *desc)
74 {
75 int rv;
76 char *args[2];
77 args[0] = (char *)"foo";
78 args[1] = NULL;
79
80 if (exec_common_fork() != 0) {
81 return;
82 }
83
84 rv = execv(prog, args);
85 report_test(rv, errno, EFAULT, desc);
86 exit(MAGIC_STATUS);
87 }
88
89 static
90 void
91 exec_emptyprog(void)
92 {
93 int rv;
94 char *args[2];
95 args[0] = (char *)"foo";
96 args[1] = NULL;
97
98 if (exec_common_fork() != 0) {
99 return;
100 }
101
102 rv = execv("", args);
103 report_test2(rv, errno, EINVAL, EISDIR, "exec the empty string");
104 exit(MAGIC_STATUS);
105 }
106
107 static
108 void
109 exec_badargs(void *args, const char *desc)
110 {
111 int rv;
112
113 if (exec_common_fork() != 0) {
114 return;
115 }
116
117 rv = execv("/bin/true", args);
118 report_test(rv, errno, EFAULT, desc);
119 exit(MAGIC_STATUS);
120 }
121
122 static
123 void
124 exec_onearg(void *ptr, const char *desc)
125 {
126 int rv;
127
128 char *args[3];
129 args[0] = (char *)"foo";
130 args[1] = (char *)ptr;
131 args[2] = NULL;
132
133 if (exec_common_fork() != 0) {
134 return;
135 }
136
137 rv = execv("/bin/true", args);
138 report_test(rv, errno, EFAULT, desc);
139 exit(MAGIC_STATUS);
140 }
141
142 void
143 test_execv(void)
144 {
145 exec_badprog(NULL, "exec NULL");
146 exec_badprog(INVAL_PTR, "exec invalid pointer");
147 exec_badprog(KERN_PTR, "exec kernel pointer");
148
149 exec_emptyprog();
150
151 exec_badargs(NULL, "exec /bin/true with NULL arglist");
152 exec_badargs(INVAL_PTR, "exec /bin/true with invalid pointer arglist");
153 exec_badargs(KERN_PTR, "exec /bin/true with kernel pointer arglist");
154
155 exec_onearg(INVAL_PTR, "exec /bin/true with invalid pointer arg");
156 exec_onearg(KERN_PTR, "exec /bin/true with kernel pointer arg");
157 }