1272343Sngie/* $NetBSD: h_comp.c,v 1.1 2014/01/14 17:51:39 pgoyette Exp $ */
2272343Sngie
3272343Sngie/*-
4272343Sngie * Copyright (c) 2014 The NetBSD Foundation, Inc.
5272343Sngie * All rights reserved.
6272343Sngie *
7272343Sngie * Redistribution and use in source and binary forms, with or without
8272343Sngie * modification, are permitted provided that the following conditions
9272343Sngie * are met:
10272343Sngie * 1. Redistributions of source code must retain the above copyright
11272343Sngie *    notice, this list of conditions and the following disclaimer.
12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright
13272343Sngie *    notice, this list of conditions and the following disclaimer in the
14272343Sngie *    documentation and/or other materials provided with the distribution.
15272343Sngie *
16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19272343Sngie * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26272343Sngie * POSSIBILITY OF SUCH DAMAGE.
27272343Sngie */
28272343Sngie
29272343Sngie#include <err.h>
30272343Sngie#include <fcntl.h>
31272343Sngie#include <stdio.h>
32272343Sngie#include <string.h>
33272343Sngie#include <unistd.h>
34272343Sngie
35272343Sngie#include <sys/ioctl.h>
36272343Sngie#include <sys/time.h>
37272343Sngie
38272343Sngie#include <crypto/cryptodev.h>
39272343Sngie
40272343Sngiechar text[100000] = {0};
41272343Sngie
42272343Sngieint
43272343Sngiemain(void)
44272343Sngie{
45272343Sngie	int fd, res;
46272343Sngie	struct session_op cs;
47272343Sngie	struct crypt_op co1, co2;
48272343Sngie	unsigned char buf1[10000], buf2[100000];
49272343Sngie
50272343Sngie	fd = open("/dev/crypto", O_RDWR, 0);
51272343Sngie	if (fd < 0)
52272343Sngie		err(1, "open");
53272343Sngie	memset(&cs, 0, sizeof(cs));
54272343Sngie	cs.comp_alg = CRYPTO_GZIP_COMP;
55272343Sngie	res = ioctl(fd, CIOCGSESSION, &cs);
56272343Sngie	if (res < 0)
57272343Sngie		err(1, "CIOCGSESSION");
58272343Sngie
59272343Sngie	memset(&co1, 0, sizeof(co1));
60272343Sngie	co1.ses = cs.ses;
61272343Sngie	co1.op = COP_COMP;
62272343Sngie	co1.len = sizeof(text);
63272343Sngie	co1.src = text;
64272343Sngie	co1.dst = buf1;
65272343Sngie	co1.dst_len = sizeof(buf1);
66272343Sngie	res = ioctl(fd, CIOCCRYPT, &co1);
67272343Sngie	if (res < 0)
68272343Sngie		err(1, "CIOCCRYPT1");
69272343Sngie	fprintf(stderr, "len %d/%d\n", co1.len, co1.dst_len);
70272343Sngie#if 0
71272343Sngie	buf1[co1.dst_len - 8]++; /* modify CRC */
72272343Sngie#endif
73272343Sngie	write(1, buf1, co1.dst_len);
74272343Sngie	memset(&co2, 0, sizeof(co2));
75272343Sngie	co2.ses = cs.ses;
76272343Sngie	co2.op = COP_DECOMP;
77272343Sngie	co2.len = co1.dst_len;
78272343Sngie	co2.src = buf1;
79272343Sngie	co2.dst = buf2;
80272343Sngie	co2.dst_len = sizeof(buf2);
81272343Sngie	buf2[10] = 0x33;
82272343Sngie	res = ioctl(fd, CIOCCRYPT, &co2);
83272343Sngie	fprintf(stderr, "canary: %x\n", buf2[10]);
84272343Sngie	if (res < 0)
85272343Sngie		err(1, "CIOCCRYPT2");
86272343Sngie	fprintf(stderr, "len %d/%d\n", co2.len, co2.dst_len);
87272343Sngie	if (memcmp(text, buf2, co2.dst_len))
88272343Sngie		errx(1, "memcmp");
89272343Sngie	return 0;
90272343Sngie}
91