xref: /illumos-gate/usr/src/lib/gss_mechs/mech_krb5/krb5/os/gen_rname.c (revision 55fea89dcaa64928bed4327112404dcb3e07b79f)
1 /*
2  * lib/krb5/os/gen_rname.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 a port-style address and unique string, and return
28  * a replay cache tag string.
29  */
30 
31 #include "k5-int.h"
32 #include "os-proto.h"
33 
34 krb5_error_code
krb5_gen_replay_name(krb5_context context,const krb5_address * address,const char * uniq,char ** string)35 krb5_gen_replay_name(krb5_context context, const krb5_address *address, const char *uniq, char **string)
36 {
37     char * tmp;
38     int i;
39 
40     if ((*string = malloc(strlen(uniq) + (address->length * 2) + 1)) == NULL)
41 	return ENOMEM;
42 
43     /*LINTED*/
44     sprintf(*string, "%s", uniq);
45     tmp = (*string) + strlen(uniq);
46     for (i = 0; i < address->length; i++) {
47 	sprintf(tmp, "%.2x", address->contents[i] & 0xff);
48 	tmp += 2;
49     }
50     return 0;
51 }
52