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 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