xref: /illumos-gate/usr/src/lib/gss_mechs/mech_krb5/krb5/os/gen_rname.c (revision 4bc0a2ef2b7ba50a7a717e7ddbf31472ad28e358)
1 #pragma ident	"%Z%%M%	%I%	%E% SMI"
2 /*
3  * lib/krb5/os/gen_rname.c
4  *
5  * Copyright 1991 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.  M.I.T. makes no representations about the suitability of
21  * this software for any purpose.  It is provided "as is" without express
22  * or implied warranty.
23  *
24  *
25  * take a port-style address and unique string, and return
26  * a replay cache tag string.
27  */
28 
29 #define NEED_SOCKETS
30 #include "k5-int.h"
31 #include "os-proto.h"
32 
33 krb5_error_code
34 krb5_gen_replay_name(krb5_context context, const krb5_address *address, const char *uniq, char **string)
35 {
36     char * tmp;
37     int i;
38 
39     if ((*string = malloc(strlen(uniq) + (address->length * 2) + 1)) == NULL)
40 	return ENOMEM;
41 
42     /*LINTED*/
43     sprintf(*string, "%s", uniq);
44     tmp = (*string) + strlen(uniq);
45     for (i = 0; i < address->length; i++) {
46 	sprintf(tmp, "%.2x", address->contents[i] & 0xff);
47 	tmp += 2;
48     }
49     return 0;
50 }
51