1 /* $NetBSD: h_comp_zlib.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 <string.h>
32 #include <zlib.h>
33
34 #include <sys/ioctl.h>
35 #include <sys/time.h>
36
37 #include <crypto/cryptodev.h>
38
39 char text[10000] = {0};
40
41 int
main(void)42 main(void)
43 {
44 int fd, res;
45 struct session_op cs;
46 struct crypt_op co1;
47 unsigned char buf1[10000], buf2[10000];
48 z_stream z;
49
50 fd = open("/dev/crypto", O_RDWR, 0);
51 if (fd < 0)
52 err(1, "open");
53 memset(&cs, 0, sizeof(cs));
54 cs.comp_alg = CRYPTO_DEFLATE_COMP;
55 res = ioctl(fd, CIOCGSESSION, &cs);
56 if (res < 0)
57 err(1, "CIOCGSESSION");
58
59 memset(&co1, 0, sizeof(co1));
60 co1.ses = cs.ses;
61 co1.op = COP_COMP;
62 co1.len = sizeof(text);
63 co1.src = text;
64 co1.dst = buf1;
65 co1.dst_len = sizeof(buf1);
66 co1.flags = COP_F_BATCH;
67 res = ioctl(fd, CIOCCRYPT, &co1);
68 if (res < 0)
69 err(1, "CIOCCRYPT");
70
71 memset(&z, 0, sizeof(z));
72 z.next_in = buf1;
73 z.avail_in = co1.dst_len;
74 z.zalloc = Z_NULL;
75 z.zfree = Z_NULL;
76 z.opaque = 0;
77 z.next_out = buf2;
78 z.avail_out = sizeof(buf2);
79 res = inflateInit2(&z, -15);
80 if (res != Z_OK)
81 errx(1, "inflateInit: %d", res);
82 do {
83 res = inflate(&z, Z_SYNC_FLUSH);
84 } while (res == Z_OK);
85 if (res != Z_STREAM_END)
86 errx(1, "inflate: %d", res);
87 if (z.total_out != sizeof(text))
88 errx(1, "decomp len %lu", z.total_out);
89 if (memcmp(buf2, text, sizeof(text)))
90 errx(1, "decomp data mismatch");
91 return 0;
92 }
93