1 /* $NetBSD: store_cred.c,v 1.1.1.2 2014/04/24 12:45:29 pettai Exp $ */
2
3 /*
4 * Copyright (c) 2003 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 "gsskrb5_locl.h"
37
38 OM_uint32 GSSAPI_CALLCONV
_gsskrb5_store_cred(OM_uint32 * minor_status,gss_cred_id_t input_cred_handle,gss_cred_usage_t cred_usage,const gss_OID desired_mech,OM_uint32 overwrite_cred,OM_uint32 default_cred,gss_OID_set * elements_stored,gss_cred_usage_t * cred_usage_stored)39 _gsskrb5_store_cred(OM_uint32 *minor_status,
40 gss_cred_id_t input_cred_handle,
41 gss_cred_usage_t cred_usage,
42 const gss_OID desired_mech,
43 OM_uint32 overwrite_cred,
44 OM_uint32 default_cred,
45 gss_OID_set *elements_stored,
46 gss_cred_usage_t *cred_usage_stored)
47 {
48 krb5_context context;
49 krb5_error_code ret;
50 gsskrb5_cred cred;
51 krb5_ccache id;
52 int destroy = 0;
53
54 *minor_status = 0;
55
56 if (cred_usage != GSS_C_INITIATE) {
57 *minor_status = GSS_KRB5_S_G_BAD_USAGE;
58 return GSS_S_FAILURE;
59 }
60
61 if (gss_oid_equal(desired_mech, GSS_KRB5_MECHANISM) == 0)
62 return GSS_S_BAD_MECH;
63
64 cred = (gsskrb5_cred)input_cred_handle;
65 if (cred == NULL)
66 return GSS_S_NO_CRED;
67
68 GSSAPI_KRB5_INIT (&context);
69
70 HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
71 if (cred->usage != cred_usage && cred->usage != GSS_C_BOTH) {
72 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
73 *minor_status = GSS_KRB5_S_G_BAD_USAGE;
74 return(GSS_S_FAILURE);
75 }
76
77 if (cred->principal == NULL) {
78 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
79 *minor_status = GSS_KRB5_S_KG_TGT_MISSING;
80 return(GSS_S_FAILURE);
81 }
82
83 /* write out cred to credential cache */
84
85 ret = krb5_cc_cache_match(context, cred->principal, &id);
86 if (ret) {
87 ret = krb5_cc_new_unique(context, NULL, NULL, &id);
88 if (ret) {
89 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
90 *minor_status = ret;
91 return(GSS_S_FAILURE);
92 }
93 destroy = 1;
94 }
95
96 ret = krb5_cc_initialize(context, id, cred->principal);
97 if (ret == 0)
98 ret = krb5_cc_copy_match_f(context, cred->ccache, id, NULL, NULL, NULL);
99 if (ret) {
100 if (destroy)
101 krb5_cc_destroy(context, id);
102 else
103 krb5_cc_close(context, id);
104 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
105 *minor_status = ret;
106 return(GSS_S_FAILURE);
107 }
108
109 if (default_cred)
110 krb5_cc_switch(context, id);
111
112 krb5_cc_close(context, id);
113
114 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
115
116 *minor_status = 0;
117 return GSS_S_COMPLETE;
118 }
119