git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3588 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			120 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 1997 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. All advertising materials mentioning features or use of this software 
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 *    must display the following acknowledgement: 
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 *      This product includes software developed by Kungliga Tekniska 
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 *      Högskolan and its contributors. 
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 *
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 * 4. Neither the name of the Institute nor the names of its contributors 
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 *    may be used to endorse or promote products derived from this software 
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 *    without specific prior written permission. 
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
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 * SUCH DAMAGE. 
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 */
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#include "krb5_locl.h"
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RCSID("$Id$");
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krb5_error_code
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krb5_get_krbhst (krb5_context context,
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		 const krb5_realm *realm,
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		 char ***hostlist)
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{
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    char **res;
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    unsigned max, count;
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    krb5_config_binding *pointer;
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    char *r;
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    krb5_boolean done;
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    char **tmp;
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     r = *realm;
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    count = 0;
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    max = 10;
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    res = malloc(max * sizeof(*res));
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    if(res == NULL)
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	return KRB5_REALM_UNKNOWN;
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    pointer = NULL;
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    for(done = FALSE; !done;) {
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	char *h = (char *)krb5_config_get_next (context->cf,
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						&pointer,
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						krb5_config_string,
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						"realms",
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						r,
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						"kdc",
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						NULL);
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	if (count > max - 2) {
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	    max += 10;
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	    tmp = realloc (res, max * sizeof(*res));
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	    if (tmp == NULL) {
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		res[count] = NULL;
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		free (r);
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		krb5_free_krbhst (context, res);
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		return KRB5_REALM_UNKNOWN;
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	    }
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	    res = tmp;
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	}
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	if (h == NULL) {
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	    done = TRUE;
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	    asprintf(&res[count], "kerberos.%s", r);
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	} else {
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	    res[count] = strdup(h);
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	}
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	if (res[count] == NULL) {
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	    free(r);
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	    krb5_free_krbhst (context, res);
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	    return KRB5_REALM_UNKNOWN;
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	}
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	++count;
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    }
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    /* There should always be room for the NULL here */
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    res[count++] = NULL;
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    tmp = realloc (res, count * sizeof(*res));
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    if (tmp == NULL) {
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	krb5_free_krbhst (context, res);
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	return KRB5_REALM_UNKNOWN;
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    }
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    res = tmp;
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    *hostlist = res;
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    return 0;
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}
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krb5_error_code
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krb5_free_krbhst (krb5_context context,
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		  char **hostlist)
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{
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    char **p;
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    for (p = hostlist; *p; ++p)
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	free (*p);
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    free (hostlist);
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    return 0;
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}
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