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.
28 #include <krb5/krb5.h>
29 #include <krb5/osconf.h>
33 #include <krb5/ext-proto.h>
34 #include <krb5/los-proto.h>
36 #include <netinet/in.h>
39 krb5_unpack_full_ipaddr(inaddr, adr, port)
40 const krb5_address *inaddr;
44 unsigned long smushaddr;
45 unsigned short smushport;
46 register krb5_octet *marshal;
47 krb5_addrtype temptype;
48 krb5_int32 templength;
50 if (inaddr->addrtype != ADDRTYPE_ADDRPORT)
51 return KRB5_PROG_ATYPE_NOSUPP;
53 if (inaddr->length != sizeof(smushaddr)+ sizeof(smushport) +
54 2*sizeof(temptype) + 2*sizeof(templength))
55 return KRB5_PROG_ATYPE_NOSUPP;
57 marshal = inaddr->contents;
59 (void) memcpy((char *)&temptype, (char *)marshal, sizeof(temptype));
60 marshal += sizeof(temptype);
61 if (temptype != htons(ADDRTYPE_INET))
62 return KRB5_PROG_ATYPE_NOSUPP;
64 (void) memcpy((char *)&templength, (char *)marshal, sizeof(templength));
65 marshal += sizeof(templength);
66 if (templength != htonl(sizeof(smushaddr)))
67 return KRB5_PROG_ATYPE_NOSUPP;
69 (void) memcpy((char *)&smushaddr, (char *)marshal, sizeof(smushaddr));
70 /* leave in net order */
71 marshal += sizeof(smushaddr);
73 (void) memcpy((char *)&temptype, (char *)marshal, sizeof(temptype));
74 marshal += sizeof(temptype);
75 if (temptype != htons(ADDRTYPE_IPPORT))
76 return KRB5_PROG_ATYPE_NOSUPP;
78 (void) memcpy((char *)&templength, (char *)marshal, sizeof(templength));
79 marshal += sizeof(templength);
80 if (templength != htonl(sizeof(smushport)))
81 return KRB5_PROG_ATYPE_NOSUPP;
83 (void) memcpy((char *)&smushport, (char *)marshal, sizeof(smushport));
84 /* leave in net order */
86 *adr = (krb5_int32) smushaddr;
87 *port = (krb5_int16) smushport;