1 /*-
2  * Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
3  * All rights reserved.
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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  */
27 
28 #include <unistd.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <fcntl.h>
32 #include <string.h>
33 #include <sys/stat.h>
34 #include <sys/param.h>
35 #include <err.h>
36 
37 #include "stress.h"
38 
39 static char path1[128];
40 static char path2[] = "tmp";
41 
42 static char rpath[128];
43 static char apath[128];
44 
45 static int fd;
46 
47 int
48 setup(int nb)
49 {
50 	umask(0);
51 
52 	sprintf(path1,"%s.%05d", getprogname(), getpid());
53 	if (mkdir(path1, 0770) < 0)
54 		err(1, "mkdir(%s), %s:%d", path1, __FILE__, __LINE__);
55 	if (chdir(path1) == -1)
56 		err(1, "chdir(%s), %s:%d", path2, __FILE__, __LINE__);
57 
58 	if (mkdir(path2, 0770) < 0)
59 		err(1, "mkdir(%s), %s:%d", path2, __FILE__, __LINE__);
60 	if (chdir(path2) == -1)
61 		err(1, "chdir(%s), %s:%d", path2, __FILE__, __LINE__);
62 	if (getcwd(apath, sizeof(apath)) == NULL)
63 		err(1, "getcwd(%s), %s:%d", path2, __FILE__, __LINE__);
64 
65 	if (chdir("..") == -1)
66 		err(1, "chdir(%s), %s:%d", path1, __FILE__, __LINE__);
67 
68 	if ((fd = open(path2, O_RDONLY)) == -1)
69 		err(1, "open(%s), %s:%d", path2, __FILE__, __LINE__);
70 
71 	strcpy(rpath, "tmp");
72 	return (0);
73 }
74 
75 void
76 cleanup(void)
77 {
78 #if 1
79 	if (rmdir(path2) == -1)
80 		warn("rmdir(%s), %s:%d", path2, __FILE__, __LINE__);
81 	(void)chdir("..");
82 	if (rmdir(path1) == -1)
83 		warn("rmdir(%s), %s:%d", path1, __FILE__, __LINE__);
84 #endif
85 }
86 
87 static void
88 test_openat(void)
89 {
90 	int i;
91 	pid_t pid;
92 	char file[128];
93 	char p[128];
94 	int tfd;
95 
96 	pid = getpid();
97 	for (i = 0; i < 100; i++) {
98 		sprintf(file,"p%05d.%05d", pid, i);
99 		if ((tfd = openat(fd, file, O_RDONLY|O_CREAT, 0660)) == -1)
100 			err(1, "openat(%s), %s:%d", file, __FILE__, __LINE__);
101 		close(tfd);
102 		strcpy(p, "tmp/");
103 		strcat(p, file);
104 		if (unlink(p) == -1)
105 			err(1, "unlink(%s), %s:%d", p, __FILE__, __LINE__);
106 	}
107 }
108 
109 static void
110 test_renameat(void)
111 {
112 	int i;
113 	pid_t pid;
114 	char file[128];
115 	char file2[128];
116 	int tfd;
117 
118 	pid = getpid();
119 	for (i = 0; i < 100; i++) {
120 		sprintf(file,"p%05d.%05d", pid, i);
121 		if ((tfd = openat(fd, file, O_RDONLY|O_CREAT, 0660)) == -1)
122 			err(1, "openat(%s), %s:%d", file, __FILE__, __LINE__);
123 		close(tfd);
124 
125 		sprintf(file2,"p%05d.%05d.togo", pid, i);
126 		if (renameat(fd, file, fd, file2) == -1)
127 			err(1, "renameat(%s)", file2);
128 
129 		sprintf(file2,"tmp/p%05d.%05d.togo", pid, i);
130 		if (unlink(file2) == -1)
131 			err(1, "unlink(%s), %s:%d", file2, __FILE__, __LINE__);
132 	}
133 }
134 
135 static void
136 test_unlinkat(void)
137 {
138 	int i;
139 	pid_t pid;
140 	char file[128];
141 	int tfd;
142 
143 	pid = getpid();
144 	for (i = 0; i < 100; i++) {
145 		sprintf(file,"p%05d.%05d", pid, i);
146 		if ((tfd = openat(fd, file, O_RDONLY|O_CREAT, 0660)) == -1)
147 			err(1, "openat(%s), %s:%d", file, __FILE__, __LINE__);
148 		close(tfd);
149 		if (unlinkat(fd, file, 0) == -1)
150 			err(1, "unlinkat(%s), %s:%d", file, __FILE__, __LINE__);
151 	}
152 }
153 
154 int
155 test(void)
156 {
157 	test_openat();
158 	test_renameat();
159 	test_unlinkat();
160 
161 	return (0);
162 }
163