1 /*	$NetBSD: gss_acquire_cred_with_password.c,v 1.1.1.1 2014/04/24 12:45:29 pettai Exp $	*/
2 
3 /*
4  * Copyright (c) 2011, PADL Software Pty Ltd.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * 3. Neither the name of PADL Software nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include "mech_locl.h"
36 
37 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_acquire_cred_with_password(OM_uint32 * minor_status,const gss_name_t desired_name,const gss_buffer_t password,OM_uint32 time_req,const gss_OID_set desired_mechs,gss_cred_usage_t cred_usage,gss_cred_id_t * output_cred_handle,gss_OID_set * actual_mechs,OM_uint32 * time_rec)38 gss_acquire_cred_with_password(OM_uint32 *minor_status,
39 			       const gss_name_t desired_name,
40 			       const gss_buffer_t password,
41 			       OM_uint32 time_req,
42 			       const gss_OID_set desired_mechs,
43 			       gss_cred_usage_t cred_usage,
44 			       gss_cred_id_t *output_cred_handle,
45 			       gss_OID_set *actual_mechs,
46 			       OM_uint32 *time_rec)
47 {
48     OM_uint32 major_status, tmp_minor;
49 
50     if (desired_mechs == GSS_C_NO_OID_SET) {
51 	major_status = _gss_acquire_cred_ext(minor_status,
52 					     desired_name,
53 					     GSS_C_CRED_PASSWORD,
54 					     password,
55 					     time_req,
56 					     GSS_C_NO_OID,
57 					     cred_usage,
58 					     output_cred_handle);
59 	if (GSS_ERROR(major_status))
60 	    return major_status;
61     } else {
62 	size_t i;
63 	struct _gss_cred *new_cred;
64 
65 	new_cred = calloc(1, sizeof(*new_cred));
66 	if (new_cred == NULL) {
67 	    *minor_status = ENOMEM;
68 	    return GSS_S_FAILURE;
69 	}
70 	HEIM_SLIST_INIT(&new_cred->gc_mc);
71 
72 	for (i = 0; i < desired_mechs->count; i++) {
73 	    struct _gss_cred *tmp_cred = NULL;
74 	    struct _gss_mechanism_cred *mc;
75 
76 	    major_status = _gss_acquire_cred_ext(minor_status,
77 						 desired_name,
78 						 GSS_C_CRED_PASSWORD,
79 						 password,
80 						 time_req,
81 						 &desired_mechs->elements[i],
82 						 cred_usage,
83 						 (gss_cred_id_t *)&tmp_cred);
84 	    if (GSS_ERROR(major_status))
85 		continue;
86 
87 	    mc = HEIM_SLIST_FIRST(&tmp_cred->gc_mc);
88 	    if (mc) {
89 		HEIM_SLIST_REMOVE_HEAD(&tmp_cred->gc_mc, gmc_link);
90 		HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link);
91 	    }
92 
93 	    gss_release_cred(&tmp_minor, (gss_cred_id_t *)&tmp_cred);
94 	}
95 
96 	if (!HEIM_SLIST_FIRST(&new_cred->gc_mc)) {
97 	    free(new_cred);
98 	    *minor_status = 0;
99 	    return GSS_S_NO_CRED;
100 	}
101 
102 	*output_cred_handle = (gss_cred_id_t)new_cred;
103     }
104 
105     if (actual_mechs != NULL || time_rec != NULL) {
106 	major_status = gss_inquire_cred(minor_status,
107 					*output_cred_handle,
108 					NULL,
109 					time_rec,
110 					NULL,
111 					actual_mechs);
112 	if (GSS_ERROR(major_status)) {
113 	    gss_release_cred(&tmp_minor, output_cred_handle);
114 	    return major_status;
115 	}
116     }
117 
118     *minor_status = 0;
119     return GSS_S_COMPLETE;
120 }
121