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