1272343Sngie/* $NetBSD: h_comp_zlib.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 <string.h> 32272343Sngie#include <zlib.h> 33272343Sngie 34272343Sngie#include <sys/ioctl.h> 35272343Sngie#include <sys/time.h> 36272343Sngie 37272343Sngie#include <crypto/cryptodev.h> 38272343Sngie 39272343Sngiechar text[10000] = {0}; 40272343Sngie 41272343Sngieint 42272343Sngiemain(void) 43272343Sngie{ 44272343Sngie int fd, res; 45272343Sngie struct session_op cs; 46272343Sngie struct crypt_op co1; 47272343Sngie unsigned char buf1[10000], buf2[10000]; 48272343Sngie z_stream z; 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_DEFLATE_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 co1.flags = COP_F_BATCH; 67272343Sngie res = ioctl(fd, CIOCCRYPT, &co1); 68272343Sngie if (res < 0) 69272343Sngie err(1, "CIOCCRYPT"); 70272343Sngie 71272343Sngie memset(&z, 0, sizeof(z)); 72272343Sngie z.next_in = buf1; 73272343Sngie z.avail_in = co1.dst_len; 74272343Sngie z.zalloc = Z_NULL; 75272343Sngie z.zfree = Z_NULL; 76272343Sngie z.opaque = 0; 77272343Sngie z.next_out = buf2; 78272343Sngie z.avail_out = sizeof(buf2); 79272343Sngie res = inflateInit2(&z, -15); 80272343Sngie if (res != Z_OK) 81272343Sngie errx(1, "inflateInit: %d", res); 82272343Sngie do { 83272343Sngie res = inflate(&z, Z_SYNC_FLUSH); 84272343Sngie } while (res == Z_OK); 85272343Sngie if (res != Z_STREAM_END) 86272343Sngie errx(1, "inflate: %d", res); 87272343Sngie if (z.total_out != sizeof(text)) 88272343Sngie errx(1, "decomp len %lu", z.total_out); 89272343Sngie if (memcmp(buf2, text, sizeof(text))) 90272343Sngie errx(1, "decomp data mismatch"); 91272343Sngie return 0; 92272343Sngie} 93