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