1 #pragma ident "%Z%%M% %I% %E% SMI"
2 /*
3 * lib/krb5/krb/addr_comp.c
4 *
5 * Copyright 1990 by the Massachusetts Institute of Technology.
6 * All Rights Reserved.
7 *
8 * Export of this software from the United States of America may
9 * require a specific license from the United States Government.
10 * It is the responsibility of any person or organization contemplating
11 * export to obtain such a license before exporting.
12 *
13 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
14 * distribute this software and its documentation for any purpose and
15 * without fee is hereby granted, provided that the above copyright
16 * notice appear in all copies and that both that copyright notice and
17 * this permission notice appear in supporting documentation, and that
18 * the name of M.I.T. not be used in advertising or publicity pertaining
19 * to distribution of the software without specific, written prior
20 * permission. Furthermore if you modify this software you must label
21 * your software as modified software and not distribute it in such a
22 * fashion that it might be confused with the original M.I.T. software.
23 * M.I.T. makes no representations about the suitability of
24 * this software for any purpose. It is provided "as is" without express
25 * or implied warranty.
26 *
27 *
28 * krb5_address_compare()
29 */
30
31 #include <k5-int.h>
32
33 #ifdef KRB5_DEBUG
34 #include <sys/types.h>
35 #include <sys/socket.h>
36 #include <netinet/in.h>
37 #include <arpa/inet.h>
38 #endif
39
40 /*
41 * If the two addresses are the same, return TRUE, else return FALSE
42 */
43 /*ARGSUSED*/
44 krb5_boolean KRB5_CALLCONV
krb5_address_compare(krb5_context context,krb5_const krb5_address * addr1,krb5_const krb5_address * addr2)45 krb5_address_compare(krb5_context context, krb5_const krb5_address *addr1,
46 krb5_const krb5_address *addr2)
47 {
48 KRB5_LOG0(KRB5_INFO, "krb5_address_compare() start");
49
50 #ifdef KRB5_DEBUG
51 {
52 char buf[256];
53 sa_family_t addr_fam;
54
55 switch (addr1->addrtype) {
56 case ADDRTYPE_INET:
57 addr_fam = AF_INET;
58 break;
59 case ADDRTYPE_INET6:
60 addr_fam = AF_INET6;
61 break;
62 }
63 inet_ntop(addr_fam, addr1->contents, buf, sizeof(buf));
64 KRB5_LOG(KRB5_INFO, "krb5_address_compare() addr1=%s", buf);
65 KRB5_LOG(KRB5_INFO, "krb5_address_compare() addr1 type=%d",
66 addr1->addrtype);
67 KRB5_LOG(KRB5_INFO, "krb5_address_compare() addr1 length=%d",
68 addr1->length);
69
70 switch (addr2->addrtype) {
71 case ADDRTYPE_INET:
72 addr_fam = AF_INET;
73 break;
74 case ADDRTYPE_INET6:
75 addr_fam = AF_INET6;
76 break;
77 }
78 inet_ntop(addr_fam, addr2->contents, buf, sizeof(buf));
79 KRB5_LOG(KRB5_INFO, "krb5_address_compare() addr2=%s", buf);
80 KRB5_LOG(KRB5_INFO, "krb5_address_compare() addr2 type=%d",
81 addr2->addrtype);
82 KRB5_LOG(KRB5_INFO, "krb5_address_compare() addr2 length=%d",
83 addr2->length);
84 }
85 #endif /* KRB5_DEBUG */
86
87 if (addr1->addrtype != addr2->addrtype){
88 KRB5_LOG0(KRB5_INFO, "krb5_address_compare() end FALSE"
89 " (addrtype mismatch)");
90 return(FALSE);
91 }
92
93 if (addr1->length != addr2->length){
94 KRB5_LOG0(KRB5_INFO, "krb5_address_compare() end FALSE"
95 " (length mismatch)");
96 return(FALSE);
97 }
98 if (memcmp((char *)addr1->contents, (char *)addr2->contents,
99 addr1->length)){
100 KRB5_LOG0(KRB5_INFO, "krb5_address_compare() end FALSE"
101 " (contents mismatch)");
102 return FALSE;
103 }
104 else {
105 KRB5_LOG0(KRB5_INFO, "krb5_address_compare() end TRUE");
106 return TRUE;
107 }
108 }
109