xref: /freebsd/contrib/netbsd-tests/fs/tmpfs/t_symlink.sh (revision 0957b409a90fd597c1e9124cbaf3edd2b488f4ac)
1# $NetBSD: t_symlink.sh,v 1.5 2010/11/07 17:51:18 jmmv Exp $
2#
3# Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc.
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25# POSSIBILITY OF SUCH DAMAGE.
26#
27
28#
29# Verifies that the symlink and readlink operations work.
30#
31
32atf_test_case file
33file_head() {
34	atf_set "descr" "Tests that symlinks to files work"
35	atf_set "require.user" "root"
36}
37file_body() {
38	test_mount
39
40	atf_check -s eq:0 -o empty -e empty touch a
41	atf_check -s eq:0 -o empty -e empty ln -s a b
42	[ $(md5 b | cut -d ' ' -f 4) = d41d8cd98f00b204e9800998ecf8427e ] || \
43	    atf_fail "Symlink points to an incorrect file"
44
45	atf_check -s eq:0 -o empty -e empty -x 'echo foo >a'
46	[ $(md5 b | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || \
47	    atf_fail "Symlink points to an incorrect file"
48
49	test_unmount
50}
51
52atf_test_case exec
53exec_head() {
54	atf_set "descr" "Tests symlinking to a known system binary and" \
55	                "executing it through the symlink"
56	atf_set "require.user" "root"
57}
58exec_body() {
59	test_mount
60
61	atf_check -s eq:0 -o empty -e empty touch b
62	atf_check -s eq:0 -o empty -e empty ln -s /bin/cp cp
63	atf_check -s eq:0 -o empty -e empty ./cp b c
64	atf_check -s eq:0 -o empty -e empty test -f c
65
66	test_unmount
67}
68
69atf_test_case dir
70dir_head() {
71	atf_set "descr" "Tests that symlinks to directories work"
72	atf_set "require.user" "root"
73}
74dir_body() {
75	test_mount
76
77	atf_check -s eq:0 -o empty -e empty mkdir d
78	atf_check -s eq:1 -o empty -e empty test -f d/foo
79	atf_check -s eq:1 -o empty -e empty test -f e/foo
80	atf_check -s eq:0 -o empty -e empty ln -s d e
81	atf_check -s eq:0 -o empty -e empty touch d/foo
82	atf_check -s eq:0 -o empty -e empty test -f d/foo
83	atf_check -s eq:0 -o empty -e empty test -f e/foo
84
85	test_unmount
86}
87
88atf_test_case kqueue
89kqueue_head() {
90	atf_set "descr" "Tests that creating a symlink raises the" \
91	                "appropriate kqueue events"
92	atf_set "require.user" "root"
93}
94kqueue_body() {
95	test_mount
96
97	atf_check -s eq:0 -o empty -e empty mkdir dir
98	echo 'ln -s non-existent dir/a' | kqueue_monitor 1 dir
99	kqueue_check dir NOTE_WRITE
100	atf_check -s eq:0 -o empty -e empty rm dir/a
101	atf_check -s eq:0 -o empty -e empty rmdir dir
102
103	test_unmount
104}
105
106atf_init_test_cases() {
107	. $(atf_get_srcdir)/../h_funcs.subr
108	. $(atf_get_srcdir)/h_funcs.subr
109
110	atf_add_test_case file
111	atf_add_test_case exec
112	atf_add_test_case dir
113	atf_add_test_case kqueue
114}
115