1 /* $NetBSD: t_readlinkat.c,v 1.3 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_readlinkat.c,v 1.3 2013/03/17 04:46:06 jmmv Exp $");
42 #include <sys/param.h>
48 #define FILE "dir/readlinkat"
49 #define BASEFILE "readlinkat"
50 #define LINK "dir/symlink"
51 #define BASELINK "symlink"
52 #define FILEERR "dir/readlinkaterr"
54 ATF_TC(readlinkat_fd);
55 ATF_TC_HEAD(readlinkat_fd, tc)
57 atf_tc_set_md_var(tc, "descr", "See that readlinkat works with fd");
59 ATF_TC_BODY(readlinkat_fd, tc)
66 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
67 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
68 ATF_REQUIRE(close(fd) == 0);
69 ATF_REQUIRE(symlink(FILE, LINK) == 0);
71 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
72 len = readlinkat(dfd, BASELINK, buf, sizeof(buf)-1);
73 ATF_REQUIRE(len != -1);
75 ATF_REQUIRE(close(dfd) == 0);
77 ATF_REQUIRE(strcmp(buf, FILE) == 0);
80 ATF_TC(readlinkat_fdcwd);
81 ATF_TC_HEAD(readlinkat_fdcwd, tc)
83 atf_tc_set_md_var(tc, "descr",
84 "See that readlinkat works with fd as AT_FDCWD");
86 ATF_TC_BODY(readlinkat_fdcwd, tc)
92 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
93 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
94 ATF_REQUIRE(close(fd) == 0);
95 ATF_REQUIRE(symlink(FILE, LINK) == 0);
97 len = readlinkat(AT_FDCWD, LINK, buf, sizeof(buf)-1);
98 ATF_REQUIRE(len != -1);
101 ATF_REQUIRE(strcmp(buf, FILE) == 0);
104 ATF_TC(readlinkat_fdcwderr);
105 ATF_TC_HEAD(readlinkat_fdcwderr, tc)
107 atf_tc_set_md_var(tc, "descr",
108 "See that readlinkat fails with fd as AT_FDCWD and bad path");
110 ATF_TC_BODY(readlinkat_fdcwderr, tc)
112 char buf[MAXPATHLEN];
114 ATF_REQUIRE(readlinkat(AT_FDCWD, LINK, buf, sizeof(buf)) == -1);
117 ATF_TC(readlinkat_fderr1);
118 ATF_TC_HEAD(readlinkat_fderr1, tc)
120 atf_tc_set_md_var(tc, "descr", "See that readlinkat fail with bad path");
122 ATF_TC_BODY(readlinkat_fderr1, tc)
126 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
127 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
128 ATF_REQUIRE(readlinkat(dfd, FILEERR, F_OK, 0) == -1);
129 ATF_REQUIRE(close(dfd) == 0);
132 ATF_TC(readlinkat_fderr2);
133 ATF_TC_HEAD(readlinkat_fderr2, tc)
135 atf_tc_set_md_var(tc, "descr", "See that readlinkat fails with fd as -1");
137 ATF_TC_BODY(readlinkat_fderr2, tc)
140 char buf[MAXPATHLEN];
142 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
143 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
144 ATF_REQUIRE(close(fd) == 0);
145 ATF_REQUIRE(symlink(FILE, LINK) == 0);
147 ATF_REQUIRE(readlinkat(-1, LINK, buf, sizeof(buf)) == -1);
153 ATF_TP_ADD_TC(tp, readlinkat_fd);
154 ATF_TP_ADD_TC(tp, readlinkat_fdcwd);
155 ATF_TP_ADD_TC(tp, readlinkat_fdcwderr);
156 ATF_TP_ADD_TC(tp, readlinkat_fderr1);
157 ATF_TP_ADD_TC(tp, readlinkat_fderr2);
159 return atf_no_error();