1 /*	$NetBSD: t_utimensat.c,v 1.6 2017/01/10 15:13:56 christos 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_utimensat.c,v 1.6 2017/01/10 15:13:56 christos Exp $");
33 
34 #include <sys/param.h>
35 #include <sys/stat.h>
36 #include <sys/time.h>
37 #include <atf-c.h>
38 #include <errno.h>
39 #include <fcntl.h>
40 #include <limits.h>
41 #include <paths.h>
42 #include <stdio.h>
43 #include <string.h>
44 #include <unistd.h>
45 
46 #define DIR "dir"
47 #define FILE "dir/utimensat"
48 #define BASEFILE "utimensat"
49 #define LINK "dir/symlink"
50 #define BASELINK "symlink"
51 #define FILEERR "dir/symlink"
52 
53 const struct timespec tptr[] = {
54 	{ 0x12345678, 987654321 },
55 	{ 0x15263748, 123456789 },
56 };
57 
58 ATF_TC(utimensat_fd);
59 ATF_TC_HEAD(utimensat_fd, tc)
60 {
61 	atf_tc_set_md_var(tc, "descr", "See that utimensat works with fd");
62 }
63 ATF_TC_BODY(utimensat_fd, tc)
64 {
65 	int dfd;
66 	int fd;
67 	struct stat st;
68 
69 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
70 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
71 	ATF_REQUIRE(close(fd) == 0);
72 
73 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
74 	ATF_REQUIRE(utimensat(dfd, BASEFILE, tptr, 0) == 0);
75 	ATF_REQUIRE(close(dfd) == 0);
76 
77 	ATF_REQUIRE(stat(FILE, &st) == 0);
78 	ATF_REQUIRE(st.st_atimespec.tv_sec == tptr[0].tv_sec);
79 	ATF_REQUIRE(st.st_atimespec.tv_nsec == tptr[0].tv_nsec);
80 	ATF_REQUIRE(st.st_mtimespec.tv_sec == tptr[1].tv_sec);
81 	ATF_REQUIRE(st.st_mtimespec.tv_nsec == tptr[1].tv_nsec);
82 }
83 
84 ATF_TC(utimensat_fdcwd);
85 ATF_TC_HEAD(utimensat_fdcwd, tc)
86 {
87 	atf_tc_set_md_var(tc, "descr",
88 			  "See that utimensat works with fd as AT_FDCWD");
89 }
90 ATF_TC_BODY(utimensat_fdcwd, tc)
91 {
92 	int fd;
93 	struct stat st;
94 
95 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
96 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
97 	ATF_REQUIRE(close(fd) == 0);
98 
99 	ATF_REQUIRE(chdir(DIR) == 0);
100 	ATF_REQUIRE(utimensat(AT_FDCWD, BASEFILE, tptr, 0) == 0);
101 
102 	ATF_REQUIRE(stat(BASEFILE, &st) == 0);
103 	ATF_REQUIRE(st.st_atimespec.tv_sec == tptr[0].tv_sec);
104 	ATF_REQUIRE(st.st_atimespec.tv_nsec == tptr[0].tv_nsec);
105 	ATF_REQUIRE(st.st_mtimespec.tv_sec == tptr[1].tv_sec);
106 	ATF_REQUIRE(st.st_mtimespec.tv_nsec == tptr[1].tv_nsec);
107 }
108 
109 ATF_TC(utimensat_fdcwderr);
110 ATF_TC_HEAD(utimensat_fdcwderr, tc)
111 {
112 	atf_tc_set_md_var(tc, "descr",
113 		  "See that utimensat fails with fd as AT_FDCWD and bad path");
114 }
115 ATF_TC_BODY(utimensat_fdcwderr, tc)
116 {
117 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
118 	ATF_REQUIRE(utimensat(AT_FDCWD, FILEERR, tptr, 0) == -1);
119 }
120 
121 ATF_TC(utimensat_fderr1);
122 ATF_TC_HEAD(utimensat_fderr1, tc)
123 {
124 	atf_tc_set_md_var(tc, "descr", "See that utimensat fail with bad path");
125 }
126 ATF_TC_BODY(utimensat_fderr1, tc)
127 {
128 	int dfd;
129 
130 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
131 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
132 	ATF_REQUIRE(utimensat(dfd, FILEERR, tptr, 0) == -1);
133 	ATF_REQUIRE(close(dfd) == 0);
134 }
135 
136 ATF_TC(utimensat_fderr2);
137 ATF_TC_HEAD(utimensat_fderr2, tc)
138 {
139 	atf_tc_set_md_var(tc, "descr", "See that utimensat fails with bad fdat");
140 }
141 ATF_TC_BODY(utimensat_fderr2, tc)
142 {
143 	int dfd;
144 	int fd;
145 	char cwd[MAXPATHLEN];
146 
147 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
148 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
149 	ATF_REQUIRE(close(fd) == 0);
150 
151 	ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
152 	ATF_REQUIRE(utimensat(dfd, BASEFILE, tptr, 0) == -1);
153 	ATF_REQUIRE(close(dfd) == 0);
154 }
155 
156 ATF_TC(utimensat_fderr3);
157 ATF_TC_HEAD(utimensat_fderr3, tc)
158 {
159 	atf_tc_set_md_var(tc, "descr", "See that utimensat fails with fd as -1");
160 }
161 ATF_TC_BODY(utimensat_fderr3, tc)
162 {
163 	int fd;
164 
165 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
166 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
167 	ATF_REQUIRE(close(fd) == 0);
168 
169 	ATF_REQUIRE(utimensat(-1, FILE, tptr, 0) == -1);
170 }
171 
172 ATF_TC(utimensat_fdlink);
173 ATF_TC_HEAD(utimensat_fdlink, tc)
174 {
175 	atf_tc_set_md_var(tc, "descr", "See that utimensat works on symlink");
176 }
177 ATF_TC_BODY(utimensat_fdlink, tc)
178 {
179 	int dfd;
180 	struct stat st;
181 
182 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
183 	ATF_REQUIRE(symlink(FILE, LINK) == 0); /* NB: FILE does not exists */
184 
185 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
186 
187 	ATF_REQUIRE(utimensat(dfd, BASELINK, tptr, 0) == -1);
188 	ATF_REQUIRE(errno = ENOENT);
189 
190 	ATF_REQUIRE(utimensat(dfd, BASELINK, tptr, AT_SYMLINK_NOFOLLOW) == 0);
191 
192 	ATF_REQUIRE(close(dfd) == 0);
193 
194 	ATF_REQUIRE(lstat(LINK, &st) == 0);
195 	ATF_REQUIRE(st.st_atimespec.tv_sec == tptr[0].tv_sec);
196 	ATF_REQUIRE(st.st_atimespec.tv_nsec == tptr[0].tv_nsec);
197 	ATF_REQUIRE(st.st_mtimespec.tv_sec == tptr[1].tv_sec);
198 	ATF_REQUIRE(st.st_mtimespec.tv_nsec == tptr[1].tv_nsec);
199 }
200 
201 ATF_TP_ADD_TCS(tp)
202 {
203 
204 	ATF_TP_ADD_TC(tp, utimensat_fd);
205 	ATF_TP_ADD_TC(tp, utimensat_fdcwd);
206 	ATF_TP_ADD_TC(tp, utimensat_fdcwderr);
207 	ATF_TP_ADD_TC(tp, utimensat_fderr1);
208 	ATF_TP_ADD_TC(tp, utimensat_fderr2);
209 	ATF_TP_ADD_TC(tp, utimensat_fderr3);
210 	ATF_TP_ADD_TC(tp, utimensat_fdlink);
211 
212 	return atf_no_error();
213 }
214