test max_wrap_size in cfx.c
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17836 ec53bebd-3082-4978-b11e-865c3cabbd6b
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Love Hörnquist Åstrand
153
lib/gssapi/krb5/test_cfx.c
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153
lib/gssapi/krb5/test_cfx.c
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/*
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* Copyright (c) 2006 Kungliga Tekniska H<>gskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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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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*
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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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*
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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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* 3. Neither the name of KTH nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
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* 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
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "gsskrb5_locl.h"
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RCSID("$Id$");
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struct range {
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size_t lower;
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size_t upper;
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};
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struct range tests[] = {
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{ 0, 1040 },
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{ 2040, 2080 },
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{ 4080, 5000 },
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{ 8180, 8292 },
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{ 9980, 10010 }
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};
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static void
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test_range(const struct range *r, int integ,
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krb5_context context, krb5_crypto crypto)
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{
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krb5_error_code ret;
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size_t size, rsize;
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for (size = r->lower; size < r->upper; size++) {
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OM_uint32 max_wrap_size;
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size_t cksumsize;
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uint16_t padsize;
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ret = _gsskrb5cfx_max_wrap_length_cfx(crypto,
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integ,
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size,
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&max_wrap_size);
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if (ret)
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krb5_errx(context, 1, "_gsskrb5cfx_max_wrap_length_cfx: %d", ret);
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if (max_wrap_size == 0)
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continue;
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ret = _gsskrb5cfx_wrap_length_cfx(crypto,
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integ,
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max_wrap_size,
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&rsize, &cksumsize, &padsize);
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if (ret)
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krb5_errx(context, 1, "_gsskrb5cfx_wrap_length_cfx: %d", ret);
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if (size < rsize)
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krb5_errx(context, 1,
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"size (%d) < rsize (%d) for max_wrap_size %d",
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(int)size, (int)rsize, (int)max_wrap_size);
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}
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}
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static void
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test_special(krb5_context context, krb5_crypto crypto,
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int integ, size_t testsize)
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{
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krb5_error_code ret;
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size_t rsize;
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OM_uint32 max_wrap_size;
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size_t cksumsize;
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uint16_t padsize;
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ret = _gsskrb5cfx_max_wrap_length_cfx(crypto,
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integ,
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testsize,
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&max_wrap_size);
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if (ret)
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krb5_errx(context, 1, "_gsskrb5cfx_max_wrap_length_cfx: %d", ret);
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ret = _gsskrb5cfx_wrap_length_cfx(crypto,
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integ,
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max_wrap_size,
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&rsize, &cksumsize, &padsize);
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if (ret)
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krb5_errx(context, 1, "_gsskrb5cfx_wrap_length_cfx: %d", ret);
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if (testsize < rsize)
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krb5_errx(context, 1,
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"testsize (%d) < rsize (%d) for max_wrap_size %d",
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(int)testsize, (int)rsize, (int)max_wrap_size);
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}
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int
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main(int argc, char **argv)
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{
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krb5_keyblock keyblock;
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krb5_error_code ret;
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krb5_context context;
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krb5_crypto crypto;
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int i;
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ret = krb5_init_context(&context);
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if (ret)
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errx(1, "krb5_context_init: %d", ret);
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ret = krb5_generate_random_keyblock(context,
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ENCTYPE_AES256_CTS_HMAC_SHA1_96,
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&keyblock);
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if (ret)
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krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
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ret = krb5_crypto_init(context, &keyblock, 0, &crypto);
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if (ret)
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krb5_err(context, 1, ret, "krb5_crypto_init");
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test_special(context, crypto, 1, 60);
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test_special(context, crypto, 0, 60);
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for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
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test_range(&tests[i], 1, context, crypto);
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test_range(&tests[i], 0, context, crypto);
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}
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krb5_free_keyblock_contents(context, &keyblock);
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return 0;
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}
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