test_option_a.c revision 348607 
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__FBSDID("$FreeBSD: stable/11/contrib/libarchive/cpio/test/test_option_a.c 348607 2019-06-04 10:35:54Z mm $");
32
33static struct {
34	const char *name;
35	time_t atime_sec;
36} files[] = {
37	{ "f0", 0 },
38	{ "f1", 0 },
39	{ "f2", 0 },
40	{ "f3", 0 },
41	{ "f4", 0 },
42	{ "f5", 0 }
43};
44
45/*
46 * Create a bunch of test files and record their atimes.
47 * For the atime preserve/change tests, the files must have
48 * atimes in the past.  We can accomplish this by explicitly invoking
49 * utime() on platforms that support it or by simply sleeping
50 * for a second after creating the files.  (Creating all of the files
51 * at once means we only need to sleep once.)
52 */
53static void
54test_create(void)
55{
56	struct stat st;
57	struct utimbuf times;
58	static const int numfiles = sizeof(files) / sizeof(files[0]);
59	int i;
60
61	for (i = 0; i < numfiles; ++i) {
62		/*
63		 * Note: Have to write at least one byte to the file.
64		 * cpio doesn't bother reading the file if it's zero length,
65		 * so the atime never gets changed in that case, which
66		 * makes the tests below rather pointless.
67		 */
68		assertMakeFile(files[i].name, 0644, "a");
69
70		/* If utime() isn't supported on your platform, just
71		 * #ifdef this section out.  Most of the test below is
72		 * still valid. */
73		memset(&times, 0, sizeof(times));
74#if defined(_WIN32) && !defined(CYGWIN)
75		times.actime = 86400;
76		times.modtime = 86400;
77#else
78		times.actime = 1;
79		times.modtime = 3;
80#endif
81		assertEqualInt(0, utime(files[i].name, &times));
82
83		/* Record whatever atime the file ended up with. */
84		/* If utime() is available, this should be 1, but there's
85		 * no harm in being careful. */
86		assertEqualInt(0, stat(files[i].name, &st));
87		files[i].atime_sec = st.st_atime;
88	}
89
90	/* Wait until the atime on the last file is actually in the past. */
91	sleepUntilAfter(files[numfiles - 1].atime_sec);
92}
93
94DEFINE_TEST(test_option_a)
95{
96	struct stat st;
97	int r;
98	char *p;
99
100	/* Create all of the test files. */
101	test_create();
102
103	/* Sanity check; verify that atimes really do get modified. */
104	p = slurpfile(NULL, "f0");
105	assert(p != NULL);
106	free(p);
107	assertEqualInt(0, stat("f0", &st));
108	if (st.st_atime == files[0].atime_sec) {
109		skipping("Cannot verify -a option\n"
110		    "      Your system appears to not support atime.");
111	}
112	else
113	{
114		/*
115		 * If this disk is mounted noatime, then we can't
116		 * verify correct operation without -a.
117		 */
118
119		/* Copy the file without -a; should change the atime. */
120		r = systemf("echo %s | %s -pd copy-no-a > copy-no-a.out 2>copy-no-a.err", files[1].name, testprog);
121		assertEqualInt(r, 0);
122		assertTextFileContents("1 block\n", "copy-no-a.err");
123		assertEmptyFile("copy-no-a.out");
124		assertEqualInt(0, stat(files[1].name, &st));
125		failure("Copying file without -a should have changed atime.");
126		assert(st.st_atime != files[1].atime_sec);
127
128		/* Archive the file without -a; should change the atime. */
129		r = systemf("echo %s | %s -o > archive-no-a.out 2>archive-no-a.err", files[2].name, testprog);
130		assertEqualInt(r, 0);
131		assertTextFileContents("1 block\n", "copy-no-a.err");
132		assertEqualInt(0, stat(files[2].name, &st));
133		failure("Archiving file without -a should have changed atime.");
134		assert(st.st_atime != files[2].atime_sec);
135	}
136
137	/*
138	 * We can, of course, still verify that the atime is unchanged
139	 * when using the -a option.
140	 */
141
142	/* Copy the file with -a; should not change the atime. */
143	r = systemf("echo %s | %s -pad copy-a > copy-a.out 2>copy-a.err",
144	    files[3].name, testprog);
145	assertEqualInt(r, 0);
146	assertTextFileContents("1 block\n", "copy-a.err");
147	assertEmptyFile("copy-a.out");
148	assertEqualInt(0, stat(files[3].name, &st));
149	failure("Copying file with -a should not have changed atime.");
150	assertEqualInt(st.st_atime, files[3].atime_sec);
151
152	/* Archive the file with -a; should not change the atime. */
153	r = systemf("echo %s | %s -oa > archive-a.out 2>archive-a.err",
154	    files[4].name, testprog);
155	assertEqualInt(r, 0);
156	assertTextFileContents("1 block\n", "copy-a.err");
157	assertEqualInt(0, stat(files[4].name, &st));
158	failure("Archiving file with -a should not have changed atime.");
159	assertEqualInt(st.st_atime, files[4].atime_sec);
160}
161