1 /*
2  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.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  * 3. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include "tests.h"
29 
30 #ifdef HAVE_SYS_XATTR_H
31 
32 # include <stdio.h>
33 # include <sys/xattr.h>
34 
35 # ifndef XATTR_SIZE_MAX
36 #  define XATTR_SIZE_MAX 65536
37 # endif
38 
39 #define DEFAULT_STRLEN 32
40 
41 int
main(void)42 main(void)
43 {
44 	static const char name[] = "strace.test";
45 	static const char c_value[] = "foo\0bar";
46 	static const char q_value[] = "foo\\0bar";
47 
48 	const char *const z_value = tail_memdup(c_value, sizeof(c_value));
49 	char *const efault = tail_alloc(1) + 1;
50 	const char *const value = tail_memdup(c_value, sizeof(c_value) - 1);
51 	char *const big = tail_alloc(XATTR_SIZE_MAX + 1);
52 	long rc;
53 	const char *errstr;
54 
55 	rc = fsetxattr(-1, 0, 0, 0, XATTR_CREATE);
56 	printf("fsetxattr(-1, NULL, NULL, 0, XATTR_CREATE) = %s\n",
57 	       sprintrc(rc));
58 
59 	rc = fsetxattr(-1, 0, z_value, 0, XATTR_CREATE);
60 	printf("fsetxattr(-1, NULL, \"\", 0, XATTR_CREATE) = %s\n",
61 	       sprintrc(rc));
62 
63 	rc = fsetxattr(-1, name, big, XATTR_SIZE_MAX + 1, XATTR_CREATE);
64 	printf("fsetxattr(-1, \"%s\", %p, %u, XATTR_CREATE) = %s\n",
65 	       name, big, XATTR_SIZE_MAX + 1, sprintrc(rc));
66 
67 	rc = fsetxattr(-1, name, value, sizeof(c_value), XATTR_CREATE);
68 	printf("fsetxattr(-1, \"%s\", %p, %u, XATTR_CREATE) = %s\n",
69 	       name, value, (unsigned) sizeof(c_value), sprintrc(rc));
70 
71 	rc = fsetxattr(-1, name, z_value, sizeof(c_value), XATTR_REPLACE);
72 	printf("fsetxattr(-1, \"%s\", \"%s\", %u, XATTR_REPLACE) = %s\n",
73 	       name, q_value, (unsigned) sizeof(c_value), sprintrc(rc));
74 
75 	rc = fsetxattr(-1, name, value, sizeof(c_value) - 1, XATTR_CREATE|XATTR_REPLACE);
76 	printf("fsetxattr(-1, \"%s\", \"%s\", %u, XATTR_CREATE|XATTR_REPLACE)"
77 	       " = %s\n",
78 	       name, q_value, (unsigned) sizeof(c_value) - 1, sprintrc(rc));
79 
80 	rc = setxattr(".", name, z_value, sizeof(c_value), XATTR_CREATE);
81 	printf("setxattr(\".\", \"%s\", \"%s\", %u, XATTR_CREATE) = %s\n",
82 	       name, q_value, (unsigned) sizeof(c_value), sprintrc(rc));
83 
84 	rc = lsetxattr(".", name, value, sizeof(c_value) - 1, XATTR_CREATE);
85 	printf("lsetxattr(\".\", \"%s\", \"%s\", %u, XATTR_CREATE) = %s\n",
86 	       name, q_value, (unsigned) sizeof(c_value) - 1, sprintrc(rc));
87 
88 	rc = fgetxattr(-1, name, efault, 4);
89 	printf("fgetxattr(-1, \"%s\", %p, 4) = %s\n",
90 	       name, efault, sprintrc(rc));
91 
92 	rc = getxattr(".", name, big, XATTR_SIZE_MAX + 1);
93 	printf("getxattr(\".\", \"%s\", %p, %u) = %s\n",
94 	       name, big, XATTR_SIZE_MAX + 1, sprintrc(rc));
95 
96 	rc = lgetxattr(".", name, big + 1, XATTR_SIZE_MAX);
97 	printf("lgetxattr(\".\", \"%s\", %p, %u) = %s\n",
98 	       name, big + 1, XATTR_SIZE_MAX, sprintrc(rc));
99 
100 	rc = flistxattr(-1, efault, 4);
101 	printf("flistxattr(-1, %p, 4) = %s\n", efault, sprintrc(rc));
102 
103 	rc = llistxattr("", efault + 1, 4);
104 	printf("llistxattr(\"\", %p, 4) = %s\n", efault + 1, sprintrc(rc));
105 
106 	rc = listxattr(".", big, 0);
107 	printf("listxattr(\".\", %p, 0) = %s\n", big, sprintrc(rc));
108 
109 	rc = listxattr(".", big, XATTR_SIZE_MAX + 1);
110 	errstr = sprintrc(rc);
111 	printf("listxattr(\".\", ");
112 	if (rc < 0)
113 		printf("%p", big);
114 	else {
115 		const int ellipsis = rc > DEFAULT_STRLEN;
116 
117 		putchar('"');
118 		print_quoted_memory(big, ellipsis ? DEFAULT_STRLEN : rc);
119 		putchar('"');
120 		if (ellipsis)
121 			fputs("...", stdout);
122 	}
123 	printf(", %u) = %s\n", XATTR_SIZE_MAX + 1, errstr);
124 
125 	rc = fremovexattr(-1, name);
126 	printf("fremovexattr(-1, \"%s\") = %s\n", name, sprintrc(rc));
127 
128 	rc = removexattr(".", name);
129 	printf("removexattr(\".\", \"%s\") = %s\n", name, sprintrc(rc));
130 
131 	rc = lremovexattr(".", name);
132 	printf("lremovexattr(\".\", \"%s\") = %s\n", name, sprintrc(rc));
133 
134 	puts("+++ exited with 0 +++");
135 	return 0;
136 }
137 
138 #else
139 
140 SKIP_MAIN_UNDEFINED("HAVE_SYS_XATTR_H")
141 
142 #endif
143