1/*	$NetBSD$	*/
2
3/*
4 * Copyright (c) 2003 Kungliga Tekniska H��gskolan
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
38OM_uint32 GSSAPI_CALLCONV
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