xref: /freebsd/crypto/krb5/src/lib/krb5/os/gen_port.c (revision 7f2fe78b9dd5f51c821d771b63d2e096f6fd49e9)
1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /* lib/krb5/os/gen_port.c - Generate full address from IP address and port */
3 /*
4  * Copyright 1991 by the Massachusetts Institute of Technology.
5  * All Rights Reserved.
6  *
7  * Export of this software from the United States of America may
8  *   require a specific license from the United States Government.
9  *   It is the responsibility of any person or organization contemplating
10  *   export to obtain such a license before exporting.
11  *
12  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
13  * distribute this software and its documentation for any purpose and
14  * without fee is hereby granted, provided that the above copyright
15  * notice appear in all copies and that both that copyright notice and
16  * this permission notice appear in supporting documentation, and that
17  * the name of M.I.T. not be used in advertising or publicity pertaining
18  * to distribution of the software without specific, written prior
19  * permission.  Furthermore if you modify this software you must label
20  * your software as modified software and not distribute it in such a
21  * fashion that it might be confused with the original M.I.T. software.
22  * M.I.T. makes no representations about the suitability of
23  * this software for any purpose.  It is provided "as is" without express
24  * or implied warranty.
25  */
26 
27 #include "k5-int.h"
28 #include "os-proto.h"
29 
30 krb5_error_code
krb5_gen_portaddr(krb5_context context,const krb5_address * addr,krb5_const_pointer ptr,krb5_address ** outaddr)31 krb5_gen_portaddr(krb5_context context, const krb5_address *addr, krb5_const_pointer ptr, krb5_address **outaddr)
32 {
33 #ifdef HAVE_NETINET_IN_H
34     krb5_int32 adr;
35     krb5_int16 port;
36 
37     if (addr->addrtype != ADDRTYPE_INET)
38         return KRB5_PROG_ATYPE_NOSUPP;
39     port = *(const krb5_int16 *)ptr;
40 
41     memcpy(&adr, addr->contents, sizeof(adr));
42     return krb5_make_full_ipaddr(context, adr, port, outaddr);
43 #else
44     return KRB5_PROG_ATYPE_NOSUPP;
45 #endif
46 }
47