tests/crypto/opencrypto/h_comp_zlib.c

   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
  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 }