1 /* $NetBSD: gss_add_cred_with_password.c,v 1.1.1.1 2014/04/24 12:45:29 pettai Exp $ */
2
3 /*-
4 * Copyright (c) 2005 Doug Rabson
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 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: src/lib/libgssapi/gss_add_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
29 */
30
31 #include "mech_locl.h"
32
33 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_add_cred_with_password(OM_uint32 * minor_status,const gss_cred_id_t input_cred_handle,const gss_name_t desired_name,const gss_OID desired_mech,const gss_buffer_t password,gss_cred_usage_t cred_usage,OM_uint32 initiator_time_req,OM_uint32 acceptor_time_req,gss_cred_id_t * output_cred_handle,gss_OID_set * actual_mechs,OM_uint32 * initiator_time_rec,OM_uint32 * acceptor_time_rec)34 gss_add_cred_with_password(OM_uint32 *minor_status,
35 const gss_cred_id_t input_cred_handle,
36 const gss_name_t desired_name,
37 const gss_OID desired_mech,
38 const gss_buffer_t password,
39 gss_cred_usage_t cred_usage,
40 OM_uint32 initiator_time_req,
41 OM_uint32 acceptor_time_req,
42 gss_cred_id_t *output_cred_handle,
43 gss_OID_set *actual_mechs,
44 OM_uint32 *initiator_time_rec,
45 OM_uint32 *acceptor_time_rec)
46 {
47 OM_uint32 major_status;
48 gssapi_mech_interface m;
49 struct _gss_cred *cred = (struct _gss_cred *) input_cred_handle;
50 struct _gss_cred *new_cred;
51 struct _gss_mechanism_cred *mc;
52 struct _gss_mechanism_name *mn = NULL;
53 OM_uint32 junk, time_req;
54
55 *minor_status = 0;
56 *output_cred_handle = GSS_C_NO_CREDENTIAL;
57 if (initiator_time_rec)
58 *initiator_time_rec = 0;
59 if (acceptor_time_rec)
60 *acceptor_time_rec = 0;
61 if (actual_mechs)
62 *actual_mechs = GSS_C_NO_OID_SET;
63
64 m = __gss_get_mechanism(desired_mech);
65 if (m == NULL) {
66 *minor_status = 0;
67 return (GSS_S_BAD_MECH);
68 }
69
70 new_cred = calloc(1, sizeof(struct _gss_cred));
71 if (new_cred == NULL) {
72 *minor_status = ENOMEM;
73 return (GSS_S_FAILURE);
74 }
75 HEIM_SLIST_INIT(&new_cred->gc_mc);
76
77 /*
78 * Copy credentials from un-desired mechanisms to the new credential.
79 */
80 if (cred) {
81 HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
82 struct _gss_mechanism_cred *copy_mc;
83
84 if (gss_oid_equal(mc->gmc_mech_oid, desired_mech)) {
85 continue;
86 }
87 copy_mc = _gss_copy_cred(mc);
88 if (copy_mc == NULL) {
89 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred);
90 *minor_status = ENOMEM;
91 return (GSS_S_FAILURE);
92 }
93 HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, copy_mc, gmc_link);
94 }
95 }
96
97 /*
98 * Figure out a suitable mn, if any.
99 */
100 if (desired_name != GSS_C_NO_NAME) {
101 major_status = _gss_find_mn(minor_status,
102 (struct _gss_name *) desired_name,
103 desired_mech,
104 &mn);
105 if (major_status != GSS_S_COMPLETE) {
106 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred);
107 return (major_status);
108 }
109 }
110
111 if (cred_usage == GSS_C_BOTH)
112 time_req = initiator_time_req > acceptor_time_req ? acceptor_time_req : initiator_time_req;
113 else if (cred_usage == GSS_C_INITIATE)
114 time_req = initiator_time_req;
115 else
116 time_req = acceptor_time_req;
117
118 major_status = _gss_acquire_mech_cred(minor_status, m, mn,
119 GSS_C_CRED_PASSWORD, password,
120 time_req, desired_mech,
121 cred_usage, &mc);
122 if (major_status != GSS_S_COMPLETE) {
123 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred);
124 return (major_status);
125 }
126
127 HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link);
128
129 if (actual_mechs || initiator_time_rec || acceptor_time_rec) {
130 OM_uint32 time_rec;
131
132 major_status = gss_inquire_cred(minor_status,
133 (gss_cred_id_t)new_cred,
134 NULL,
135 &time_rec,
136 NULL,
137 actual_mechs);
138 if (GSS_ERROR(major_status)) {
139 gss_release_cred(&junk, (gss_cred_id_t *)&new_cred);
140 return (major_status);
141 }
142 if (initiator_time_rec &&
143 (cred_usage == GSS_C_INITIATE || cred_usage == GSS_C_BOTH))
144 *initiator_time_rec = time_rec;
145 if (acceptor_time_rec &&
146 (cred_usage == GSS_C_ACCEPT || cred_usage == GSS_C_BOTH))
147 *acceptor_time_rec = time_rec;
148 }
149
150 *output_cred_handle = (gss_cred_id_t) new_cred;
151 return (GSS_S_COMPLETE);
152 }
153