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DEFINITIONS
This source file includes following definitions.
- check_compat
- _gss_DES3_get_mic_compat
- gss_krb5_compat_des3_mic
1 /*
2 * Copyright (c) 2003 - 2005 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/gsskrb5_locl.h"
35
36 RCSID("$Id$");
37
38
39 static krb5_error_code
40 check_compat(OM_uint32 *minor_status,
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41 krb5_context context, krb5_const_principal name,
42 const char *option, krb5_boolean *compat,
43 krb5_boolean match_val)
44 {
45 krb5_error_code ret = 0;
46 char **p, **q;
47 krb5_principal match;
48
49
50 p = krb5_config_get_strings(context, NULL, "gssapi",
51 option, NULL);
52 if(p == NULL)
53 return 0;
54
55 match = NULL;
56 for(q = p; *q; q++) {
57 ret = krb5_parse_name(context, *q, &match);
58 if (ret)
59 break;
60
61 if (krb5_principal_match(context, name, match)) {
62 *compat = match_val;
63 break;
64 }
65
66 krb5_free_principal(context, match);
67 match = NULL;
68 }
69 if (match)
70 krb5_free_principal(context, match);
71 krb5_config_free_strings(p);
72
73 if (ret) {
74 if (minor_status)
75 *minor_status = ret;
76 return GSS_S_FAILURE;
77 }
78
79 return 0;
80 }
81
82 /*
83 * ctx->ctx_id_mutex is assumed to be locked
84 */
85
86 OM_uint32
87 _gss_DES3_get_mic_compat(OM_uint32 *minor_status,
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88 gsskrb5_ctx ctx,
89 krb5_context context)
90 {
91 krb5_boolean use_compat = FALSE;
92 OM_uint32 ret;
93
94 if ((ctx->more_flags & COMPAT_OLD_DES3_SELECTED) == 0) {
95 ret = check_compat(minor_status, context, ctx->target,
96 "broken_des3_mic", &use_compat, TRUE);
97 if (ret)
98 return ret;
99 ret = check_compat(minor_status, context, ctx->target,
100 "correct_des3_mic", &use_compat, FALSE);
101 if (ret)
102 return ret;
103
104 if (use_compat)
105 ctx->more_flags |= COMPAT_OLD_DES3;
106 ctx->more_flags |= COMPAT_OLD_DES3_SELECTED;
107 }
108 return 0;
109 }
110
111 #if 0
112 OM_uint32
113 gss_krb5_compat_des3_mic(OM_uint32 *minor_status, gss_ctx_id_t ctx, int on)
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114 {
115 *minor_status = 0;
116
117 HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
118 if (on) {
119 ctx->more_flags |= COMPAT_OLD_DES3;
120 } else {
121 ctx->more_flags &= ~COMPAT_OLD_DES3;
122 }
123 ctx->more_flags |= COMPAT_OLD_DES3_SELECTED;
124 HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
125
126 return 0;
127 }
128 #endif