1 /*
2 * lib/krb5/os/full_ipadr.c
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 * Take an IP addr & port and generate a full IP address.
28 */
29
30 #include "k5-int.h"
31
32 #ifdef HAVE_NETINET_IN_H
33
34 #include "os-proto.h"
35
36 krb5_error_code
krb5_make_full_ipaddr(krb5_context context,krb5_int32 adr,int port,krb5_address ** outaddr)37 krb5_make_full_ipaddr(krb5_context context, krb5_int32 adr,
38 /*krb5_int16*/int port, krb5_address **outaddr)
39 {
40 unsigned long smushaddr = (unsigned long) adr; /* already in net order */
41 unsigned short smushport = (unsigned short) port; /* ditto */
42 register krb5_address *retaddr;
43 register krb5_octet *marshal;
44 krb5_addrtype temptype;
45 krb5_int32 templength;
46
47 if (!(retaddr = (krb5_address *)malloc(sizeof(*retaddr)))) {
48 return ENOMEM;
49 }
50 retaddr->magic = KV5M_ADDRESS;
51 retaddr->addrtype = ADDRTYPE_ADDRPORT;
52 retaddr->length = sizeof(smushaddr)+ sizeof(smushport) +
53 2*sizeof(temptype) + 2*sizeof(templength);
54
55 if (!(retaddr->contents = (krb5_octet *)malloc(retaddr->length))) {
56 krb5_xfree(retaddr);
57 return ENOMEM;
58 }
59 marshal = retaddr->contents;
60
61 temptype = htons(ADDRTYPE_INET);
62 (void) memcpy((char *)marshal, (char *)&temptype, sizeof(temptype));
63 marshal += sizeof(temptype);
64
65 templength = htonl(sizeof(smushaddr));
66 (void) memcpy((char *)marshal, (char *)&templength, sizeof(templength));
67 marshal += sizeof(templength);
68
69 (void) memcpy((char *)marshal, (char *)&smushaddr, sizeof(smushaddr));
70 marshal += sizeof(smushaddr);
71
72 temptype = htons(ADDRTYPE_IPPORT);
73 (void) memcpy((char *)marshal, (char *)&temptype, sizeof(temptype));
74 marshal += sizeof(temptype);
75
76 templength = htonl(sizeof(smushport));
77 (void) memcpy((char *)marshal, (char *)&templength, sizeof(templength));
78 marshal += sizeof(templength);
79
80 (void) memcpy((char *)marshal, (char *)&smushport, sizeof(smushport));
81 marshal += sizeof(smushport);
82
83 *outaddr = retaddr;
84 return 0;
85 }
86 #endif
87