diff options
Diffstat (limited to 'dist/crypto/opencrypto/h_comp_zlib.c')
-rw-r--r-- | dist/crypto/opencrypto/h_comp_zlib.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/dist/crypto/opencrypto/h_comp_zlib.c b/dist/crypto/opencrypto/h_comp_zlib.c new file mode 100644 index 0000000..7a57ceb --- /dev/null +++ b/dist/crypto/opencrypto/h_comp_zlib.c @@ -0,0 +1,92 @@ +/* $NetBSD: h_comp_zlib.c,v 1.1 2014/01/14 17:51:39 pgoyette Exp $ */ + +/*- + * Copyright (c) 2014 The NetBSD Foundation, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <err.h> +#include <fcntl.h> +#include <string.h> +#include <zlib.h> + +#include <sys/ioctl.h> +#include <sys/time.h> + +#include <crypto/cryptodev.h> + +char text[10000] = {0}; + +int +main(void) +{ + int fd, res; + struct session_op cs; + struct crypt_op co1; + unsigned char buf1[10000], buf2[10000]; + z_stream z; + + fd = open("/dev/crypto", O_RDWR, 0); + if (fd < 0) + err(1, "open"); + memset(&cs, 0, sizeof(cs)); + cs.comp_alg = CRYPTO_DEFLATE_COMP; + res = ioctl(fd, CIOCGSESSION, &cs); + if (res < 0) + err(1, "CIOCGSESSION"); + + memset(&co1, 0, sizeof(co1)); + co1.ses = cs.ses; + co1.op = COP_COMP; + co1.len = sizeof(text); + co1.src = text; + co1.dst = buf1; + co1.dst_len = sizeof(buf1); + co1.flags = COP_F_BATCH; + res = ioctl(fd, CIOCCRYPT, &co1); + if (res < 0) + err(1, "CIOCCRYPT"); + + memset(&z, 0, sizeof(z)); + z.next_in = buf1; + z.avail_in = co1.dst_len; + z.zalloc = Z_NULL; + z.zfree = Z_NULL; + z.opaque = 0; + z.next_out = buf2; + z.avail_out = sizeof(buf2); + res = inflateInit2(&z, -15); + if (res != Z_OK) + errx(1, "inflateInit: %d", res); + do { + res = inflate(&z, Z_SYNC_FLUSH); + } while (res == Z_OK); + if (res != Z_STREAM_END) + errx(1, "inflate: %d", res); + if (z.total_out != sizeof(text)) + errx(1, "decomp len %lu", z.total_out); + if (memcmp(buf2, text, sizeof(text))) + errx(1, "decomp data mismatch"); + return 0; +} |