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
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_string(context);
50 return ret;
51 }
52 result->error_code += KRB5KDC_ERR_NONE;
53 return 0;
54 }
55
56 void KRB5_LIB_FUNCTION
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 void KRB5_LIB_FUNCTION
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_error_code KRB5_LIB_FUNCTION
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_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