1/* $NetBSD: rd_error.c,v 1.2 2017/01/28 21:31:49 christos Exp $ */ 2 3/* 4 * Copyright (c) 1997 - 2001 Kungliga Tekniska H��gskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "krb5_locl.h" 37 38KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 39krb5_rd_error(krb5_context context, 40 const krb5_data *msg, 41 KRB_ERROR *result) 42{ 43 44 size_t len; 45 krb5_error_code ret; 46 47 ret = decode_KRB_ERROR(msg->data, msg->length, result, &len); 48 if(ret) { 49 krb5_clear_error_message(context); 50 return ret; 51 } 52 result->error_code += KRB5KDC_ERR_NONE; 53 return 0; 54} 55 56KRB5_LIB_FUNCTION void KRB5_LIB_CALL 57krb5_free_error_contents (krb5_context context, 58 krb5_error *error) 59{ 60 free_KRB_ERROR(error); 61 memset(error, 0, sizeof(*error)); 62} 63 64KRB5_LIB_FUNCTION void KRB5_LIB_CALL 65krb5_free_error (krb5_context context, 66 krb5_error *error) 67{ 68 krb5_free_error_contents (context, error); 69 free (error); 70} 71 72KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 73krb5_error_from_rd_error(krb5_context context, 74 const krb5_error *error, 75 const krb5_creds *creds) 76{ 77 krb5_error_code ret; 78 79 ret = error->error_code; 80 if (error->e_text != NULL) { 81 krb5_set_error_message(context, ret, "%s", *error->e_text); 82 } else { 83 char clientname[256], servername[256]; 84 85 if (creds != NULL) { 86 krb5_unparse_name_fixed(context, creds->client, 87 clientname, sizeof(clientname)); 88 krb5_unparse_name_fixed(context, creds->server, 89 servername, sizeof(servername)); 90 } 91 92 switch (ret) { 93 case KRB5KDC_ERR_NAME_EXP : 94 krb5_set_error_message(context, ret, 95 N_("Client %s%s%s expired", ""), 96 creds ? "(" : "", 97 creds ? clientname : "", 98 creds ? ")" : ""); 99 break; 100 case KRB5KDC_ERR_SERVICE_EXP : 101 krb5_set_error_message(context, ret, 102 N_("Server %s%s%s expired", ""), 103 creds ? "(" : "", 104 creds ? servername : "", 105 creds ? ")" : ""); 106 break; 107 case KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN : 108 krb5_set_error_message(context, ret, 109 N_("Client %s%s%s unknown", ""), 110 creds ? "(" : "", 111 creds ? clientname : "", 112 creds ? ")" : ""); 113 break; 114 case KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN : 115 krb5_set_error_message(context, ret, 116 N_("Server %s%s%s unknown", ""), 117 creds ? "(" : "", 118 creds ? servername : "", 119 creds ? ")" : ""); 120 break; 121 default : 122 krb5_clear_error_message(context); 123 break; 124 } 125 } 126 return ret; 127} 128