1 /* $NetBSD: t_linkat.c,v 1.2 2013/03/17 04:46:06 jmmv Exp $ */
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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.
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_linkat.c,v 1.2 2013/03/17 04:46:06 jmmv Exp $");
42 #include <sys/param.h>
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 LINK "olddir/symlink"
53 #define BASELINK "symlink"
54 #define FILEERR "olddir/olderr"
57 ATF_TC_HEAD(linkat_fd
, tc
)
59 atf_tc_set_md_var(tc
, "descr", "See that linkat works with fd");
61 ATF_TC_BODY(linkat_fd
, tc
)
66 ATF_REQUIRE(mkdir(ODIR
, 0755) == 0);
67 ATF_REQUIRE(mkdir(NDIR
, 0755) == 0);
68 ATF_REQUIRE((fd
= open(FILE, O_CREAT
|O_RDWR
, 0644)) != -1);
69 ATF_REQUIRE(close(fd
) != -1);
71 ATF_REQUIRE((ofd
= open(ODIR
, O_RDONLY
, 0)) != -1);
72 ATF_REQUIRE((nfd
= open(NDIR
, O_RDONLY
, 0)) != -1);
73 ATF_REQUIRE(linkat(ofd
, BASEFILE
, nfd
, BASETARGET
, 0) == 0);
74 ATF_REQUIRE(close(ofd
) == 0);
75 ATF_REQUIRE(close(nfd
) == 0);
77 ATF_REQUIRE(stat(FILE, &ost
) == 0);
78 ATF_REQUIRE(stat(TARGET
, &nst
) == 0);
79 ATF_REQUIRE(ost
.st_ino
== nst
.st_ino
);
83 ATF_TC_HEAD(linkat_fdcwd
, tc
)
85 atf_tc_set_md_var(tc
, "descr",
86 "See that linkat works with fd as AT_FDCWD");
88 ATF_TC_BODY(linkat_fdcwd
, tc
)
93 ATF_REQUIRE(mkdir(ODIR
, 0755) == 0);
94 ATF_REQUIRE(mkdir(NDIR
, 0755) == 0);
95 ATF_REQUIRE((fd
= open(FILE, O_CREAT
|O_RDWR
, 0644)) != -1);
96 ATF_REQUIRE(close(fd
) != -1);
98 ATF_REQUIRE(linkat(AT_FDCWD
, FILE, AT_FDCWD
, TARGET
, 0) == 0);
100 ATF_REQUIRE(stat(FILE, &ost
) == 0);
101 ATF_REQUIRE(stat(TARGET
, &nst
) == 0);
102 ATF_REQUIRE(ost
.st_ino
== nst
.st_ino
);
105 ATF_TC(linkat_fdcwderr
);
106 ATF_TC_HEAD(linkat_fdcwderr
, tc
)
108 atf_tc_set_md_var(tc
, "descr",
109 "See that linkat fails with fd as AT_FDCWD and bad path");
111 ATF_TC_BODY(linkat_fdcwderr
, tc
)
115 ATF_REQUIRE(mkdir(ODIR
, 0755) == 0);
116 ATF_REQUIRE(mkdir(NDIR
, 0755) == 0);
117 ATF_REQUIRE((fd
= open(FILE, O_CREAT
|O_RDWR
, 0644)) != -1);
118 ATF_REQUIRE(close(fd
) != -1);
120 ATF_REQUIRE(linkat(AT_FDCWD
, FILEERR
, AT_FDCWD
, TARGET
, 0) == -1);
123 ATF_TC(linkat_fderr
);
124 ATF_TC_HEAD(linkat_fderr
, tc
)
126 atf_tc_set_md_var(tc
, "descr", "See that linkat fails with fd as -1");
128 ATF_TC_BODY(linkat_fderr
, tc
)
132 ATF_REQUIRE(mkdir(ODIR
, 0755) == 0);
133 ATF_REQUIRE(mkdir(NDIR
, 0755) == 0);
134 ATF_REQUIRE((fd
= open(FILE, O_CREAT
|O_RDWR
, 0644)) != -1);
135 ATF_REQUIRE(close(fd
) != -1);
137 ATF_REQUIRE(linkat(-1, FILE, AT_FDCWD
, TARGET
, 0) == -1);
138 ATF_REQUIRE(linkat(AT_FDCWD
, FILE, -1, TARGET
, 0) == -1);
139 ATF_REQUIRE(linkat(-1, FILE, -1, TARGET
, 0) == -1);
142 ATF_TC(linkat_fdlink1
);
143 ATF_TC_HEAD(linkat_fdlink1
, tc
)
145 atf_tc_set_md_var(tc
, "descr", "See that linkat works on symlink target");
147 ATF_TC_BODY(linkat_fdlink1
, tc
)
150 struct stat ost
, nst
;
152 ATF_REQUIRE(mkdir(ODIR
, 0755) == 0);
153 ATF_REQUIRE(mkdir(NDIR
, 0755) == 0);
154 ATF_REQUIRE((fd
= open(FILE, O_CREAT
|O_RDWR
, 0644)) != -1);
155 ATF_REQUIRE(close(fd
) != -1);
156 ATF_REQUIRE(symlink(RELFILE
, LINK
) == 0);
158 ATF_REQUIRE((ofd
= open(ODIR
, O_RDONLY
, 0)) != -1);
159 ATF_REQUIRE((nfd
= open(NDIR
, O_RDONLY
, 0)) != -1);
160 ATF_REQUIRE(linkat(ofd
, BASELINK
, nfd
, BASETARGET
,
161 AT_SYMLINK_FOLLOW
) == 0);
162 ATF_REQUIRE(close(ofd
) == 0);
163 ATF_REQUIRE(close(nfd
) == 0);
165 ATF_REQUIRE(lstat(LINK
, &ost
) == 0);
166 ATF_REQUIRE(lstat(TARGET
, &nst
) == 0);
167 ATF_REQUIRE(ost
.st_ino
!= nst
.st_ino
);
169 ATF_REQUIRE(lstat(FILE, &ost
) == 0);
170 ATF_REQUIRE(lstat(TARGET
, &nst
) == 0);
171 ATF_REQUIRE(ost
.st_ino
== nst
.st_ino
);
175 ATF_TC(linkat_fdlink2
);
176 ATF_TC_HEAD(linkat_fdlink2
, tc
)
178 atf_tc_set_md_var(tc
, "descr", "See that linkat works on symlink source");
180 ATF_TC_BODY(linkat_fdlink2
, tc
)
183 struct stat ost
, nst
;
185 ATF_REQUIRE(mkdir(ODIR
, 0755) == 0);
186 ATF_REQUIRE(mkdir(NDIR
, 0755) == 0);
187 ATF_REQUIRE((fd
= open(FILE, O_CREAT
|O_RDWR
, 0644)) != -1);
188 ATF_REQUIRE(close(fd
) != -1);
189 ATF_REQUIRE(symlink(RELFILE
, LINK
) == 0);
191 ATF_REQUIRE((ofd
= open(ODIR
, O_RDONLY
, 0)) != -1);
192 ATF_REQUIRE((nfd
= open(NDIR
, O_RDONLY
, 0)) != -1);
193 ATF_REQUIRE(linkat(ofd
, BASELINK
, nfd
, BASETARGET
, 0) == 0);
194 ATF_REQUIRE(close(ofd
) == 0);
195 ATF_REQUIRE(close(nfd
) == 0);
197 ATF_REQUIRE(lstat(LINK
, &ost
) == 0);
198 ATF_REQUIRE(lstat(TARGET
, &nst
) == 0);
199 ATF_REQUIRE(ost
.st_ino
== nst
.st_ino
);
201 ATF_REQUIRE(lstat(FILE, &ost
) == 0);
202 ATF_REQUIRE(lstat(TARGET
, &nst
) == 0);
203 ATF_REQUIRE(ost
.st_ino
!= nst
.st_ino
);
209 ATF_TP_ADD_TC(tp
, linkat_fd
);
210 ATF_TP_ADD_TC(tp
, linkat_fdcwd
);
211 ATF_TP_ADD_TC(tp
, linkat_fdcwderr
);
212 ATF_TP_ADD_TC(tp
, linkat_fderr
);
213 ATF_TP_ADD_TC(tp
, linkat_fdlink1
);
214 ATF_TP_ADD_TC(tp
, linkat_fdlink2
);
216 return atf_no_error();