1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /* lib/krb5/os/full_ipadr.c - Generate full address from IP addr 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
29 #ifdef HAVE_NETINET_IN_H
30
31 #include "os-proto.h"
32
33 krb5_error_code
krb5_make_full_ipaddr(krb5_context context,krb5_int32 adr,int port,krb5_address ** outaddr)34 krb5_make_full_ipaddr(krb5_context context, krb5_int32 adr,
35 /*krb5_int16*/int port, krb5_address **outaddr)
36 {
37 unsigned long smushaddr = (unsigned long) adr; /* already in net order */
38 unsigned short smushport = (unsigned short) port; /* ditto */
39 krb5_address *retaddr;
40 krb5_octet *marshal;
41 krb5_addrtype temptype;
42 krb5_int32 templength;
43
44 if (!(retaddr = (krb5_address *)malloc(sizeof(*retaddr)))) {
45 return ENOMEM;
46 }
47 retaddr->magic = KV5M_ADDRESS;
48 retaddr->addrtype = ADDRTYPE_ADDRPORT;
49 retaddr->length = sizeof(smushaddr)+ sizeof(smushport) +
50 2*sizeof(temptype) + 2*sizeof(templength);
51
52 if (!(retaddr->contents = (krb5_octet *)malloc(retaddr->length))) {
53 free(retaddr);
54 return ENOMEM;
55 }
56 marshal = retaddr->contents;
57
58 temptype = htons(ADDRTYPE_INET);
59 (void) memcpy(marshal, &temptype, sizeof(temptype));
60 marshal += sizeof(temptype);
61
62 templength = htonl(sizeof(smushaddr));
63 (void) memcpy(marshal, &templength, sizeof(templength));
64 marshal += sizeof(templength);
65
66 (void) memcpy(marshal, &smushaddr, sizeof(smushaddr));
67 marshal += sizeof(smushaddr);
68
69 temptype = htons(ADDRTYPE_IPPORT);
70 (void) memcpy(marshal, &temptype, sizeof(temptype));
71 marshal += sizeof(temptype);
72
73 templength = htonl(sizeof(smushport));
74 (void) memcpy(marshal, &templength, sizeof(templength));
75 marshal += sizeof(templength);
76
77 (void) memcpy(marshal, &smushport, sizeof(smushport));
78 marshal += sizeof(smushport);
79
80 *outaddr = retaddr;
81 return 0;
82 }
83 #endif
84