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
28static char buff[1000000];
29static char buff2[64];
30
31DEFINE_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