git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@6528 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			80 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 1997, 1998, 1999 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_sock_to_principal (krb5_context context,
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			int sock,
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			const char *sname,
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			int32_t type,
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			krb5_principal *ret_princ)
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{
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    krb5_error_code ret;
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    krb5_address address;
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    struct sockaddr_storage __ss;
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    struct sockaddr *sa = (struct sockaddr *)&__ss;
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    int len = sizeof(__ss);
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    struct hostent *hostent;
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    int family;
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    char hname[256];
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    if (getsockname (sock, sa, &len) < 0)
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	return errno;
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    family = sa->sa_family;
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    ret = krb5_sockaddr2address (sa, &address);
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    if (ret)
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	return ret;
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    hostent = roken_gethostbyaddr (address.address.data,
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				   address.address.length,
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				   family);
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    if (hostent == NULL)
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	return h_errno;
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    strcpy_truncate(hname, hostent->h_name, sizeof(hname));
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    return krb5_sname_to_principal (context,
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				    hname,
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				    sname,
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				    type,
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				    ret_princ);
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}
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