1*0a6a1f1dSLionel Sambuc /* $NetBSD: h_comp.c,v 1.1 2014/01/14 17:51:39 pgoyette Exp $ */
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc /*-
4*0a6a1f1dSLionel Sambuc * Copyright (c) 2014 The NetBSD Foundation, Inc.
5*0a6a1f1dSLionel Sambuc * All rights reserved.
6*0a6a1f1dSLionel Sambuc *
7*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without
8*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions
9*0a6a1f1dSLionel Sambuc * are met:
10*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright
11*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer.
12*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
13*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the
14*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution.
15*0a6a1f1dSLionel Sambuc *
16*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17*0a6a1f1dSLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18*0a6a1f1dSLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19*0a6a1f1dSLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20*0a6a1f1dSLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21*0a6a1f1dSLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22*0a6a1f1dSLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23*0a6a1f1dSLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24*0a6a1f1dSLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25*0a6a1f1dSLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26*0a6a1f1dSLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
27*0a6a1f1dSLionel Sambuc */
28*0a6a1f1dSLionel Sambuc
29*0a6a1f1dSLionel Sambuc #include <err.h>
30*0a6a1f1dSLionel Sambuc #include <fcntl.h>
31*0a6a1f1dSLionel Sambuc #include <stdio.h>
32*0a6a1f1dSLionel Sambuc #include <string.h>
33*0a6a1f1dSLionel Sambuc #include <unistd.h>
34*0a6a1f1dSLionel Sambuc
35*0a6a1f1dSLionel Sambuc #include <sys/ioctl.h>
36*0a6a1f1dSLionel Sambuc #include <sys/time.h>
37*0a6a1f1dSLionel Sambuc
38*0a6a1f1dSLionel Sambuc #include <crypto/cryptodev.h>
39*0a6a1f1dSLionel Sambuc
40*0a6a1f1dSLionel Sambuc char text[100000] = {0};
41*0a6a1f1dSLionel Sambuc
42*0a6a1f1dSLionel Sambuc int
main(void)43*0a6a1f1dSLionel Sambuc main(void)
44*0a6a1f1dSLionel Sambuc {
45*0a6a1f1dSLionel Sambuc int fd, res;
46*0a6a1f1dSLionel Sambuc struct session_op cs;
47*0a6a1f1dSLionel Sambuc struct crypt_op co1, co2;
48*0a6a1f1dSLionel Sambuc unsigned char buf1[10000], buf2[100000];
49*0a6a1f1dSLionel Sambuc
50*0a6a1f1dSLionel Sambuc fd = open("/dev/crypto", O_RDWR, 0);
51*0a6a1f1dSLionel Sambuc if (fd < 0)
52*0a6a1f1dSLionel Sambuc err(1, "open");
53*0a6a1f1dSLionel Sambuc memset(&cs, 0, sizeof(cs));
54*0a6a1f1dSLionel Sambuc cs.comp_alg = CRYPTO_GZIP_COMP;
55*0a6a1f1dSLionel Sambuc res = ioctl(fd, CIOCGSESSION, &cs);
56*0a6a1f1dSLionel Sambuc if (res < 0)
57*0a6a1f1dSLionel Sambuc err(1, "CIOCGSESSION");
58*0a6a1f1dSLionel Sambuc
59*0a6a1f1dSLionel Sambuc memset(&co1, 0, sizeof(co1));
60*0a6a1f1dSLionel Sambuc co1.ses = cs.ses;
61*0a6a1f1dSLionel Sambuc co1.op = COP_COMP;
62*0a6a1f1dSLionel Sambuc co1.len = sizeof(text);
63*0a6a1f1dSLionel Sambuc co1.src = text;
64*0a6a1f1dSLionel Sambuc co1.dst = buf1;
65*0a6a1f1dSLionel Sambuc co1.dst_len = sizeof(buf1);
66*0a6a1f1dSLionel Sambuc res = ioctl(fd, CIOCCRYPT, &co1);
67*0a6a1f1dSLionel Sambuc if (res < 0)
68*0a6a1f1dSLionel Sambuc err(1, "CIOCCRYPT1");
69*0a6a1f1dSLionel Sambuc fprintf(stderr, "len %d/%d\n", co1.len, co1.dst_len);
70*0a6a1f1dSLionel Sambuc #if 0
71*0a6a1f1dSLionel Sambuc buf1[co1.dst_len - 8]++; /* modify CRC */
72*0a6a1f1dSLionel Sambuc #endif
73*0a6a1f1dSLionel Sambuc write(1, buf1, co1.dst_len);
74*0a6a1f1dSLionel Sambuc memset(&co2, 0, sizeof(co2));
75*0a6a1f1dSLionel Sambuc co2.ses = cs.ses;
76*0a6a1f1dSLionel Sambuc co2.op = COP_DECOMP;
77*0a6a1f1dSLionel Sambuc co2.len = co1.dst_len;
78*0a6a1f1dSLionel Sambuc co2.src = buf1;
79*0a6a1f1dSLionel Sambuc co2.dst = buf2;
80*0a6a1f1dSLionel Sambuc co2.dst_len = sizeof(buf2);
81*0a6a1f1dSLionel Sambuc buf2[10] = 0x33;
82*0a6a1f1dSLionel Sambuc res = ioctl(fd, CIOCCRYPT, &co2);
83*0a6a1f1dSLionel Sambuc fprintf(stderr, "canary: %x\n", buf2[10]);
84*0a6a1f1dSLionel Sambuc if (res < 0)
85*0a6a1f1dSLionel Sambuc err(1, "CIOCCRYPT2");
86*0a6a1f1dSLionel Sambuc fprintf(stderr, "len %d/%d\n", co2.len, co2.dst_len);
87*0a6a1f1dSLionel Sambuc if (memcmp(text, buf2, co2.dst_len))
88*0a6a1f1dSLionel Sambuc errx(1, "memcmp");
89*0a6a1f1dSLionel Sambuc return 0;
90*0a6a1f1dSLionel Sambuc }
91