1 /* 2 * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan 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 RCSID("$Id: rd_error.c 21057 2007-06-12 17:22:31Z lha $"); 37 38 krb5_error_code KRB5_LIB_FUNCTION 39 krb5_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_string(context); 50 return ret; 51 } 52 result->error_code += KRB5KDC_ERR_NONE; 53 return 0; 54 } 55 56 void KRB5_LIB_FUNCTION 57 krb5_free_error_contents (krb5_context context, 58 krb5_error *error) 59 { 60 free_KRB_ERROR(error); 61 memset(error, 0, sizeof(*error)); 62 } 63 64 void KRB5_LIB_FUNCTION 65 krb5_free_error (krb5_context context, 66 krb5_error *error) 67 { 68 krb5_free_error_contents (context, error); 69 free (error); 70 } 71 72 krb5_error_code KRB5_LIB_FUNCTION 73 krb5_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_string(context, "%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_string(context, "Client %s%s%s expired", 95 creds ? "(" : "", 96 creds ? clientname : "", 97 creds ? ")" : ""); 98 break; 99 case KRB5KDC_ERR_SERVICE_EXP : 100 krb5_set_error_string(context, "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_string(context, "Client %s%s%s unknown", 107 creds ? "(" : "", 108 creds ? clientname : "", 109 creds ? ")" : ""); 110 break; 111 case KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN : 112 krb5_set_error_string(context, "Server %s%s%s unknown", 113 creds ? "(" : "", 114 creds ? servername : "", 115 creds ? ")" : ""); 116 break; 117 default : 118 krb5_clear_error_string(context); 119 break; 120 } 121 } 122 return ret; 123 } 124