111 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 2011 Kungliga Tekniska Högskolan
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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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#include "krb5_locl.h"
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#include <err.h>
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/*
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 *
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 */
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static void
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check_linear(krb5_context context,
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	     const char *client_realm,
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	     const char *server_realm,
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	     const char *realm,
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	     ...)
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{
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    unsigned int num_inrealms = 0, num_realms = 0, n;
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    char **inrealms = NULL;
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    char **realms = NULL;
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    krb5_error_code ret;
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    krb5_data tr;
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    va_list va;
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    krb5_data_zero(&tr);
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    va_start(va, realm);
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    while (realm) {
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	inrealms = erealloc(inrealms, (num_inrealms + 2) * sizeof(inrealms[0]));
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	inrealms[num_inrealms] = rk_UNCONST(realm);
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	num_inrealms++;
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	realm = va_arg(va, const char *);
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    }
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    if (inrealms)
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	inrealms[num_inrealms] = NULL;
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    ret = krb5_domain_x500_encode(inrealms, num_inrealms, &tr);
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    if (ret)
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	krb5_err(context, 1, ret, "krb5_domain_x500_encode");
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    ret = krb5_domain_x500_decode(context, tr,
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				  &realms, &num_realms,
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				  client_realm, server_realm);
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    if (ret)
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	krb5_err(context, 1, ret, "krb5_domain_x500_decode");
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    krb5_data_free(&tr);
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    if (num_inrealms != num_realms)
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	errx(1, "num_inrealms != num_realms");
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    for(n = 0; n < num_realms; n++)
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	free(realms[n]);
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    free(realms);
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    free(inrealms);
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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_context context;
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    krb5_error_code ret;
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    setprogname(argv[0]);
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    ret = krb5_init_context(&context);
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    if (ret)
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	errx(1, "krb5_init_context");
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    check_linear(context, "KTH1.SE", "KTH1.SE", NULL);
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    check_linear(context, "KTH1.SE", "KTH2.SE", NULL);
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    check_linear(context, "KTH1.SE", "KTH3.SE", "KTH2.SE", NULL);
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    check_linear(context, "KTH1.SE", "KTH4.SE", "KTH3.SE", "KTH2.SE", NULL);
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    check_linear(context, "KTH1.SE", "KTH5.SE", "KTH4.SE", "KTH3.SE", "KTH2.SE", NULL);
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    return 0;
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}
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