91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
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/* $NetBSD: h_comp.c,v 1.1 2014/01/14 17:51:39 pgoyette Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <crypto/cryptodev.h>
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char text[100000] = {0};
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int
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main(void)
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{
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int fd, res;
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struct session_op cs;
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struct crypt_op co1, co2;
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unsigned char buf1[10000], buf2[100000];
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fd = open("/dev/crypto", O_RDWR, 0);
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if (fd < 0)
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err(1, "open");
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memset(&cs, 0, sizeof(cs));
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cs.comp_alg = CRYPTO_GZIP_COMP;
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res = ioctl(fd, CIOCGSESSION, &cs);
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if (res < 0)
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err(1, "CIOCGSESSION");
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memset(&co1, 0, sizeof(co1));
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co1.ses = cs.ses;
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co1.op = COP_COMP;
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co1.len = sizeof(text);
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co1.src = text;
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co1.dst = buf1;
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co1.dst_len = sizeof(buf1);
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res = ioctl(fd, CIOCCRYPT, &co1);
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if (res < 0)
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err(1, "CIOCCRYPT1");
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fprintf(stderr, "len %d/%d\n", co1.len, co1.dst_len);
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#if 0
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buf1[co1.dst_len - 8]++; /* modify CRC */
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#endif
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write(1, buf1, co1.dst_len);
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memset(&co2, 0, sizeof(co2));
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co2.ses = cs.ses;
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co2.op = COP_DECOMP;
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co2.len = co1.dst_len;
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co2.src = buf1;
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co2.dst = buf2;
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co2.dst_len = sizeof(buf2);
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buf2[10] = 0x33;
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res = ioctl(fd, CIOCCRYPT, &co2);
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fprintf(stderr, "canary: %x\n", buf2[10]);
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if (res < 0)
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err(1, "CIOCCRYPT2");
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fprintf(stderr, "len %d/%d\n", co2.len, co2.dst_len);
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if (memcmp(text, buf2, co2.dst_len))
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errx(1, "memcmp");
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return 0;
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}
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