1/* $NetBSD: h_comp_zlib_rnd.c,v 1.1 2014/01/14 17:51:39 pgoyette Exp $ */
2
3/*-
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <err.h>
30#include <fcntl.h>
31#include <stdlib.h>
32#include <string.h>
33#include <zlib.h>
34
35#include <sys/ioctl.h>
36#include <sys/time.h>
37
38#include <crypto/cryptodev.h>
39
40char text[1000];
41
42int
43main(void)
44{
45	unsigned int i;
46	int fd, res;
47	struct session_op cs;
48	struct crypt_op co1;
49	unsigned char buf1[10000], buf2[10000];
50	z_stream z;
51
52	for (i = 0; i < sizeof(text)/sizeof(long); i++)
53		*(long *)(text + i * sizeof(long)) = random();
54
55	fd = open("/dev/crypto", O_RDWR, 0);
56	if (fd < 0)
57		err(1, "open");
58	memset(&cs, 0, sizeof(cs));
59	cs.comp_alg = CRYPTO_DEFLATE_COMP;
60	res = ioctl(fd, CIOCGSESSION, &cs);
61	if (res < 0)
62		err(1, "CIOCGSESSION");
63
64	memset(&co1, 0, sizeof(co1));
65	co1.ses = cs.ses;
66	co1.op = COP_COMP;
67	co1.len = sizeof(text);
68	co1.src = text;
69	co1.dst = buf1;
70	co1.dst_len = sizeof(buf1);
71	res = ioctl(fd, CIOCCRYPT, &co1);
72	if (res < 0)
73		err(1, "CIOCCRYPT");
74
75	memset(&z, 0, sizeof(z));
76	z.next_in = buf1;
77	z.avail_in = co1.dst_len;
78	z.zalloc = Z_NULL;
79	z.zfree = Z_NULL;
80	z.opaque = 0;
81	z.next_out = buf2;
82	z.avail_out = sizeof(buf2);
83	res = inflateInit2(&z, -15);
84	if (res != Z_OK)
85		errx(1, "inflateInit: %d", res);
86	do {
87		res = inflate(&z, Z_SYNC_FLUSH);
88	} while (res == Z_OK);
89	if (res != Z_STREAM_END)
90		errx(1, "inflate: %d", res);
91	if (z.total_out != sizeof(text))
92		errx(1, "decomp len %lu", z.total_out);
93	if (memcmp(buf2, text, sizeof(text)))
94		errx(1, "decomp data mismatch");
95	return 0;
96}
97