xref: /src/contrib/libarchive/libarchive/test/test_write_filter_program.c (revision b9128a37faafede823eb456aa65a11ac69997284)
1 /*-
2  * Copyright (c) 2003-2007 Tim Kientzle
3  * Copyright (c) 2012 Michihiro NAKAJIMA
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 AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 #include "test.h"
27 
28 static char buff[1000000];
29 static char buff2[64];
30 
DEFINE_TEST(test_write_filter_program)31 DEFINE_TEST(test_write_filter_program)
32 {
33 	struct archive_entry *ae;
34 	struct archive *a;
35 	size_t used;
36 	int blocksize = 1024;
37 	int r;
38 
39 	if (!canGzip()) {
40 		skipping("Cannot run 'gzip'");
41 		return;
42 	}
43 	/* NOTE: Setting blocksize=1024 will cause gunzip failure because
44 	 * it add extra bytes that gunzip ignores with its warning and
45 	 * exit code 1. So we should set blocksize=1 in order not to
46 	 * yield the extra bytes when using gunzip. */
47 	assert((a = archive_read_new()) != NULL);
48 	r = archive_read_support_filter_gzip(a);
49 	if (r != ARCHIVE_OK && canGzip())
50 		blocksize = 1;
51 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
52 
53 	/* Create a new archive in memory. */
54 	/* Write it through an external "gzip" program. */
55 	assert((a = archive_write_new()) != NULL);
56 	assertA(0 == archive_write_set_format_ustar(a));
57 	r = archive_write_add_filter_program(a, "gzip -6");
58 	if (r == ARCHIVE_FATAL) {
59 		skipping("Write compression via external "
60 		    "program unsupported on this platform");
61 		archive_write_free(a);
62 		return;
63 	}
64 	assertA(0 == archive_write_set_bytes_per_block(a, blocksize));
65 	assertA(0 == archive_write_set_bytes_in_last_block(a, blocksize));
66 	assertA(blocksize == archive_write_get_bytes_in_last_block(a));
67 	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
68 	assertA(blocksize == archive_write_get_bytes_in_last_block(a));
69 
70 	/*
71 	 * Write a file to it.
72 	 */
73 	assert((ae = archive_entry_new()) != NULL);
74 	archive_entry_set_mtime(ae, 1, 10);
75 	archive_entry_copy_pathname(ae, "file");
76 	archive_entry_set_mode(ae, S_IFREG | 0755);
77 	archive_entry_set_size(ae, 8);
78 
79 	assertA(0 == archive_write_header(a, ae));
80 	archive_entry_free(ae);
81 	assertA(8 == archive_write_data(a, "12345678", 9));
82 
83 	/* Close out the archive. */
84 	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
85 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
86 
87 	/*
88 	 * Now, read the data back through the built-in gzip support.
89 	 */
90 	assert((a = archive_read_new()) != NULL);
91 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
92 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
93 	r = archive_read_support_filter_gzip(a);
94 	/* The compression_gzip() handler will fall back to gunzip
95 	 * automatically, but if we know gunzip isn't available, then
96 	 * skip the rest. */
97 	if (r != ARCHIVE_OK && !canGzip()) {
98 		skipping("No libz and no gunzip program, "
99 		    "unable to verify gzip compression");
100 		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
101 		return;
102 	}
103 	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, used));
104 
105 	if (!assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae))) {
106 		archive_read_free(a);
107 		return;
108 	}
109 
110 	assertEqualInt(1, archive_entry_mtime(ae));
111 	assertEqualInt(0, archive_entry_atime(ae));
112 	assertEqualInt(0, archive_entry_ctime(ae));
113 	assertEqualString("file", archive_entry_pathname(ae));
114 	assertEqualInt((S_IFREG | 0755), archive_entry_mode(ae));
115 	assertEqualInt(8, archive_entry_size(ae));
116 	assertEqualIntA(a, 8, archive_read_data(a, buff2, 10));
117 	assertEqualMem(buff2, "12345678", 8);
118 
119 	/* Verify the end of the archive. */
120 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
121 	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
122 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
123 }
124