2 * lib/krb5/os/port2ip.c
4 * Copyright 1991 by the Massachusetts Institute of Technology.
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.
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. M.I.T. makes no representations about the suitability of
20 * this software for any purpose. It is provided "as is" without express
21 * or implied warranty.
24 * Take an ADDRPORT address and split into IP addr & port.
33 krb5_error_code INTERFACE
34 krb5_unpack_full_ipaddr(context, inaddr, adr, port)
36 const krb5_address *inaddr;
40 unsigned long smushaddr;
41 unsigned short smushport;
42 register krb5_octet *marshal;
43 krb5_addrtype temptype;
46 if (inaddr->addrtype != ADDRTYPE_ADDRPORT)
47 return KRB5_PROG_ATYPE_NOSUPP;
49 if (inaddr->length != sizeof(smushaddr)+ sizeof(smushport) +
50 2*sizeof(temptype) + 2*sizeof(templength))
51 return KRB5_PROG_ATYPE_NOSUPP;
53 marshal = inaddr->contents;
55 (void) memcpy((char *)&temptype, (char *)marshal, sizeof(temptype));
56 marshal += sizeof(temptype);
57 if (temptype != htons(ADDRTYPE_INET))
58 return KRB5_PROG_ATYPE_NOSUPP;
60 (void) memcpy((char *)&templength, (char *)marshal, sizeof(templength));
61 marshal += sizeof(templength);
62 if (templength != htonl(sizeof(smushaddr)))
63 return KRB5_PROG_ATYPE_NOSUPP;
65 (void) memcpy((char *)&smushaddr, (char *)marshal, sizeof(smushaddr));
66 /* leave in net order */
67 marshal += sizeof(smushaddr);
69 (void) memcpy((char *)&temptype, (char *)marshal, sizeof(temptype));
70 marshal += sizeof(temptype);
71 if (temptype != htons(ADDRTYPE_IPPORT))
72 return KRB5_PROG_ATYPE_NOSUPP;
74 (void) memcpy((char *)&templength, (char *)marshal, sizeof(templength));
75 marshal += sizeof(templength);
76 if (templength != htonl(sizeof(smushport)))
77 return KRB5_PROG_ATYPE_NOSUPP;
79 (void) memcpy((char *)&smushport, (char *)marshal, sizeof(smushport));
80 /* leave in net order */
82 *adr = (krb5_int32) smushaddr;
83 *port = (krb5_int16) smushport;