1/*
2 * Copyright (c) 2011, PADL Software Pty Ltd.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * 3. Neither the name of PADL Software nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include "mech_locl.h"
34
35GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
36gss_acquire_cred_with_password(OM_uint32 *minor_status,
37			       const gss_name_t desired_name,
38			       const gss_buffer_t password,
39			       OM_uint32 time_req,
40			       const gss_OID_set desired_mechs,
41			       gss_cred_usage_t cred_usage,
42			       gss_cred_id_t *output_cred_handle,
43			       gss_OID_set *actual_mechs,
44			       OM_uint32 *time_rec)
45{
46    OM_uint32 major_status, tmp_minor;
47
48    if (desired_mechs == GSS_C_NO_OID_SET) {
49	major_status = _gss_acquire_cred_ext(minor_status,
50					     desired_name,
51					     GSS_C_CRED_PASSWORD,
52					     password,
53					     time_req,
54					     GSS_C_NO_OID,
55					     cred_usage,
56					     output_cred_handle);
57	if (GSS_ERROR(major_status))
58	    return major_status;
59    } else {
60	size_t i;
61	struct _gss_cred *new_cred;
62
63	new_cred = calloc(1, sizeof(*new_cred));
64	if (new_cred == NULL) {
65	    *minor_status = ENOMEM;
66	    return GSS_S_FAILURE;
67	}
68	HEIM_SLIST_INIT(&new_cred->gc_mc);
69
70	for (i = 0; i < desired_mechs->count; i++) {
71	    struct _gss_cred *tmp_cred = NULL;
72	    struct _gss_mechanism_cred *mc;
73
74	    major_status = _gss_acquire_cred_ext(minor_status,
75						 desired_name,
76						 GSS_C_CRED_PASSWORD,
77						 password,
78						 time_req,
79						 &desired_mechs->elements[i],
80						 cred_usage,
81						 (gss_cred_id_t *)&tmp_cred);
82	    if (GSS_ERROR(major_status))
83		continue;
84
85	    mc = HEIM_SLIST_FIRST(&tmp_cred->gc_mc);
86	    if (mc) {
87		HEIM_SLIST_REMOVE_HEAD(&tmp_cred->gc_mc, gmc_link);
88		HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link);
89	    }
90
91	    gss_release_cred(&tmp_minor, (gss_cred_id_t *)&tmp_cred);
92	}
93
94	if (!HEIM_SLIST_FIRST(&new_cred->gc_mc)) {
95	    free(new_cred);
96	    *minor_status = 0;
97	    return GSS_S_NO_CRED;
98	}
99
100	*output_cred_handle = (gss_cred_id_t)new_cred;
101    }
102
103    if (actual_mechs != NULL || time_rec != NULL) {
104	major_status = gss_inquire_cred(minor_status,
105					*output_cred_handle,
106					NULL,
107					time_rec,
108					NULL,
109					actual_mechs);
110	if (GSS_ERROR(major_status)) {
111	    gss_release_cred(&tmp_minor, output_cred_handle);
112	    return major_status;
113	}
114    }
115
116    *minor_status = 0;
117    return GSS_S_COMPLETE;
118}
119