1/*-
2 * Copyright (c) 2003-2008 Tim Kientzle
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#include "test.h"
26#if defined(HAVE_UTIME_H)
27#include <utime.h>
28#elif defined(HAVE_SYS_UTIME_H)
29#include <sys/utime.h>
30#endif
31
32static struct {
33	const char *name;
34	time_t atime_sec;
35} files[] = {
36	{ "f0", 0 },
37	{ "f1", 0 },
38	{ "f2", 0 },
39	{ "f3", 0 },
40	{ "f4", 0 },
41	{ "f5", 0 }
42};
43
44/*
45 * Create a bunch of test files and record their atimes.
46 * For the atime preserve/change tests, the files must have
47 * atimes in the past.  We can accomplish this by explicitly invoking
48 * utime() on platforms that support it or by simply sleeping
49 * for a second after creating the files.  (Creating all of the files
50 * at once means we only need to sleep once.)
51 */
52static void
53test_create(void)
54{
55	struct stat st;
56	struct utimbuf times;
57	static const int numfiles = sizeof(files) / sizeof(files[0]);
58	int i;
59
60	for (i = 0; i < numfiles; ++i) {
61		/*
62		 * Note: Have to write at least one byte to the file.
63		 * cpio doesn't bother reading the file if it's zero length,
64		 * so the atime never gets changed in that case, which
65		 * makes the tests below rather pointless.
66		 */
67		assertMakeFile(files[i].name, 0644, "a");
68
69		/* If utime() isn't supported on your platform, just
70		 * #ifdef this section out.  Most of the test below is
71		 * still valid. */
72		memset(&times, 0, sizeof(times));
73#if defined(_WIN32) && !defined(CYGWIN)
74		times.actime = 86400;
75		times.modtime = 86400;
76#else
77		times.actime = 1;
78		times.modtime = 3;
79#endif
80		assertEqualInt(0, utime(files[i].name, &times));
81
82		/* Record whatever atime the file ended up with. */
83		/* If utime() is available, this should be 1, but there's
84		 * no harm in being careful. */
85		assertEqualInt(0, stat(files[i].name, &st));
86		files[i].atime_sec = st.st_atime;
87	}
88
89	/* Wait until the atime on the last file is actually in the past. */
90	sleepUntilAfter(files[numfiles - 1].atime_sec);
91}
92
93DEFINE_TEST(test_option_a)
94{
95	struct stat st;
96	int r;
97	char *p;
98
99	/* Create all of the test files. */
100	test_create();
101
102	/* Sanity check; verify that atimes really do get modified. */
103	p = slurpfile(NULL, "f0");
104	assert(p != NULL);
105	free(p);
106	assertEqualInt(0, stat("f0", &st));
107	if (st.st_atime == files[0].atime_sec) {
108		skipping("Cannot verify -a option\n"
109		    "      Your system appears to not support atime.");
110	}
111	else
112	{
113		/*
114		 * If this disk is mounted noatime, then we can't
115		 * verify correct operation without -a.
116		 */
117
118		/* Copy the file without -a; should change the atime. */
119		r = systemf("echo %s | %s -pd copy-no-a > copy-no-a.out 2>copy-no-a.err", files[1].name, testprog);
120		assertEqualInt(r, 0);
121		assertTextFileContents("1 block\n", "copy-no-a.err");
122		assertEmptyFile("copy-no-a.out");
123		assertEqualInt(0, stat(files[1].name, &st));
124		failure("Copying file without -a should have changed atime.");
125		assert(st.st_atime != files[1].atime_sec);
126
127		/* Archive the file without -a; should change the atime. */
128		r = systemf("echo %s | %s -o > archive-no-a.out 2>archive-no-a.err", files[2].name, testprog);
129		assertEqualInt(r, 0);
130		assertTextFileContents("1 block\n", "copy-no-a.err");
131		assertEqualInt(0, stat(files[2].name, &st));
132		failure("Archiving file without -a should have changed atime.");
133		assert(st.st_atime != files[2].atime_sec);
134	}
135
136	/*
137	 * We can, of course, still verify that the atime is unchanged
138	 * when using the -a option.
139	 */
140
141	/* Copy the file with -a; should not change the atime. */
142	r = systemf("echo %s | %s -pad copy-a > copy-a.out 2>copy-a.err",
143	    files[3].name, testprog);
144	assertEqualInt(r, 0);
145	assertTextFileContents("1 block\n", "copy-a.err");
146	assertEmptyFile("copy-a.out");
147	assertEqualInt(0, stat(files[3].name, &st));
148	failure("Copying file with -a should not have changed atime.");
149	assertEqualInt(st.st_atime, files[3].atime_sec);
150
151	/* Archive the file with -a; should not change the atime. */
152	r = systemf("echo %s | %s -oa > archive-a.out 2>archive-a.err",
153	    files[4].name, testprog);
154	assertEqualInt(r, 0);
155	assertTextFileContents("1 block\n", "copy-a.err");
156	assertEqualInt(0, stat(files[4].name, &st));
157	failure("Archiving file with -a should not have changed atime.");
158	assertEqualInt(st.st_atime, files[4].atime_sec);
159}
160