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 Högskolan
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
38 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_rd_error(krb5_context context,const krb5_data * msg,KRB_ERROR * result)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_message(context);
50 return ret;
51 }
52 result->error_code += KRB5KDC_ERR_NONE;
53 return 0;
54 }
55
56 KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_free_error_contents(krb5_context context,krb5_error * error)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 KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_free_error(krb5_context context,krb5_error * error)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_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_error_from_rd_error(krb5_context context,const krb5_error * error,const krb5_creds * creds)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_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