1 /*
2 * Copyright (c) 2003 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 "gsskrb5_locl.h"
35
36 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)37 _gsskrb5_store_cred(OM_uint32 *minor_status,
38 gss_cred_id_t input_cred_handle,
39 gss_cred_usage_t cred_usage,
40 const gss_OID desired_mech,
41 OM_uint32 overwrite_cred,
42 OM_uint32 default_cred,
43 gss_OID_set *elements_stored,
44 gss_cred_usage_t *cred_usage_stored)
45 {
46 krb5_context context;
47 krb5_error_code ret;
48 gsskrb5_cred cred;
49 krb5_ccache id;
50 int destroy = 0;
51
52 *minor_status = 0;
53
54 if (cred_usage != GSS_C_INITIATE) {
55 *minor_status = GSS_KRB5_S_G_BAD_USAGE;
56 return GSS_S_FAILURE;
57 }
58
59 if (gss_oid_equal(desired_mech, GSS_KRB5_MECHANISM) == 0)
60 return GSS_S_BAD_MECH;
61
62 cred = (gsskrb5_cred)input_cred_handle;
63 if (cred == NULL)
64 return GSS_S_NO_CRED;
65
66 GSSAPI_KRB5_INIT (&context);
67
68 HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
69 if (cred->usage != cred_usage && cred->usage != GSS_C_BOTH) {
70 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
71 *minor_status = GSS_KRB5_S_G_BAD_USAGE;
72 return(GSS_S_FAILURE);
73 }
74
75 if (cred->principal == NULL) {
76 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
77 *minor_status = GSS_KRB5_S_KG_TGT_MISSING;
78 return(GSS_S_FAILURE);
79 }
80
81 /* write out cred to credential cache */
82
83 ret = krb5_cc_cache_match(context, cred->principal, &id);
84 if (ret) {
85 ret = krb5_cc_new_unique(context, NULL, NULL, &id);
86 if (ret) {
87 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
88 *minor_status = ret;
89 return(GSS_S_FAILURE);
90 }
91 destroy = 1;
92 }
93
94 ret = krb5_cc_initialize(context, id, cred->principal);
95 if (ret == 0)
96 ret = krb5_cc_copy_match_f(context, cred->ccache, id, NULL, NULL, NULL);
97 if (ret) {
98 if (destroy)
99 krb5_cc_destroy(context, id);
100 else
101 krb5_cc_close(context, id);
102 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
103 *minor_status = ret;
104 return(GSS_S_FAILURE);
105 }
106
107 if (default_cred)
108 krb5_cc_switch(context, id);
109
110 krb5_cc_close(context, id);
111
112 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
113
114 *minor_status = 0;
115 return GSS_S_COMPLETE;
116 }
117