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