xref: /netbsd-src/tests/lib/libc/c063/t_renameat.c (revision a76c1cc17f79d15b1f0872349197301598c4c5ea)
1 /*	$NetBSD: t_renameat.c,v 1.1 2012/11/18 17:41:54 manu Exp $ */
2 
3 /*-
4  * Copyright (c) 2012 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Emmanuel Dreyfus.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_renameat.c,v 1.1 2012/11/18 17:41:54 manu Exp $");
33 
34 #include <atf-c.h>
35 #include <errno.h>
36 #include <fcntl.h>
37 #include <limits.h>
38 #include <paths.h>
39 #include <stdio.h>
40 #include <string.h>
41 #include <unistd.h>
42 #include <sys/param.h>
43 #include <sys/stat.h>
44 
45 #define ODIR "olddir"
46 #define NDIR "newdir"
47 #define FILE "olddir/old"
48 #define BASEFILE "old"
49 #define RELFILE "../olddir/old"
50 #define TARGET "newdir/new"
51 #define BASETARGET "new"
52 #define FILEERR "olddir/olderr"
53 
54 ATF_TC_WITH_CLEANUP(renameat_fd);
55 ATF_TC_HEAD(renameat_fd, tc)
56 {
57 	atf_tc_set_md_var(tc, "descr", "See that renameat works with fd");
58 }
59 
60 ATF_TC_BODY(renameat_fd, tc)
61 {
62 	int ofd, nfd, fd;
63 	struct stat ost, nst;
64 
65 	ATF_REQUIRE(mkdir(ODIR, 0755) == 0);
66 	ATF_REQUIRE(mkdir(NDIR, 0755) == 0);
67 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
68 	ATF_REQUIRE(close(fd) != -1);
69 
70 	ATF_REQUIRE(stat(FILE, &ost) == 0);
71 
72 	ATF_REQUIRE((ofd = open(ODIR, O_RDONLY, 0)) != -1);
73 	ATF_REQUIRE((nfd = open(NDIR, O_RDONLY, 0)) != -1);
74 	ATF_REQUIRE(renameat(ofd, BASEFILE, nfd, BASETARGET) == 0);
75 	ATF_REQUIRE(close(ofd) == 0);
76 	ATF_REQUIRE(close(nfd) == 0);
77 
78 	ATF_REQUIRE(stat(TARGET, &nst) == 0);
79 	ATF_REQUIRE(ost.st_ino == nst.st_ino);
80 }
81 
82 ATF_TC_CLEANUP(renameat_fd, tc)
83 {
84 	(void)unlink(FILE);
85 	(void)unlink(TARGET);
86 	(void)rmdir(NDIR);
87 	(void)rmdir(ODIR);
88 }
89 
90 
91 ATF_TC_WITH_CLEANUP(renameat_fdcwd);
92 ATF_TC_HEAD(renameat_fdcwd, tc)
93 {
94 	atf_tc_set_md_var(tc, "descr",
95 			  "See that renameat works with fd as AT_FDCWD");
96 }
97 
98 ATF_TC_BODY(renameat_fdcwd, tc)
99 {
100 	int fd;
101 	struct stat ost, nst;
102 
103 	ATF_REQUIRE(mkdir(ODIR, 0755) == 0);
104 	ATF_REQUIRE(mkdir(NDIR, 0755) == 0);
105 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
106 	ATF_REQUIRE(close(fd) != -1);
107 
108 	ATF_REQUIRE(stat(FILE, &ost) == 0);
109 
110 	ATF_REQUIRE(renameat(AT_FDCWD, FILE, AT_FDCWD, TARGET) == 0);
111 
112 	ATF_REQUIRE(stat(TARGET, &nst) == 0);
113 	ATF_REQUIRE(ost.st_ino == nst.st_ino);
114 }
115 
116 ATF_TC_CLEANUP(renameat_fdcwd, tc)
117 {
118 	(void)unlink(FILE);
119 	(void)unlink(TARGET);
120 	(void)rmdir(NDIR);
121 	(void)rmdir(ODIR);
122 }
123 
124 ATF_TC_WITH_CLEANUP(renameat_fdcwderr);
125 ATF_TC_HEAD(renameat_fdcwderr, tc)
126 {
127 	atf_tc_set_md_var(tc, "descr",
128 		  "See that renameat fails with fd as AT_FDCWD and bad path");
129 }
130 
131 ATF_TC_BODY(renameat_fdcwderr, tc)
132 {
133 	int fd;
134 
135 	ATF_REQUIRE(mkdir(ODIR, 0755) == 0);
136 	ATF_REQUIRE(mkdir(NDIR, 0755) == 0);
137 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
138 	ATF_REQUIRE(close(fd) != -1);
139 
140 	ATF_REQUIRE(renameat(AT_FDCWD, FILEERR, AT_FDCWD, TARGET) == -1);
141 }
142 
143 ATF_TC_CLEANUP(renameat_fdcwderr, tc)
144 {
145 	(void)unlink(FILE);
146 	(void)unlink(FILEERR);
147 	(void)unlink(TARGET);
148 	(void)rmdir(NDIR);
149 	(void)rmdir(ODIR);
150 }
151 
152 ATF_TC_WITH_CLEANUP(renameat_fderr);
153 ATF_TC_HEAD(renameat_fderr, tc)
154 {
155 	atf_tc_set_md_var(tc, "descr", "See that renameat fails with fd as -1");
156 }
157 
158 ATF_TC_BODY(renameat_fderr, tc)
159 {
160 	int fd;
161 
162 	ATF_REQUIRE(mkdir(ODIR, 0755) == 0);
163 	ATF_REQUIRE(mkdir(NDIR, 0755) == 0);
164 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
165 	ATF_REQUIRE(close(fd) != -1);
166 
167 	ATF_REQUIRE(renameat(-1, FILE, AT_FDCWD, TARGET) == -1);
168 	ATF_REQUIRE(renameat(AT_FDCWD, FILE, -1, TARGET) == -1);
169 	ATF_REQUIRE(renameat(-1, FILE, -1, TARGET) == -1);
170 }
171 
172 ATF_TC_CLEANUP(renameat_fderr, tc)
173 {
174 	(void)unlink(FILE);
175 	(void)unlink(TARGET);
176 	(void)rmdir(NDIR);
177 	(void)rmdir(ODIR);
178 }
179 
180 ATF_TP_ADD_TCS(tp)
181 {
182 
183 	ATF_TP_ADD_TC(tp, renameat_fd);
184 	ATF_TP_ADD_TC(tp, renameat_fdcwd);
185 	ATF_TP_ADD_TC(tp, renameat_fdcwderr);
186 	ATF_TP_ADD_TC(tp, renameat_fderr);
187 
188 	return atf_no_error();
189 }
190