xref: /titanic_41/usr/src/lib/libgss/g_store_cred.c (revision 0f1702c5201310f0529cd5abb77652e5e9b241b6)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  *  glue routine for gss_store_cred
31  */
32 
33 #include <mechglueP.h>
34 
35 OM_uint32 gss_store_cred(minor_status,
36 			input_cred_handle,
37 			cred_usage,
38 			desired_mech,
39 			overwrite_cred,
40 			default_cred,
41 			elements_stored,
42 			cred_usage_stored)
43 
44 OM_uint32		*minor_status;
45 const gss_cred_id_t	 input_cred_handle;
46 gss_cred_usage_t	 cred_usage;
47 const gss_OID		 desired_mech;
48 OM_uint32		 overwrite_cred;
49 OM_uint32		 default_cred;
50 gss_OID_set		*elements_stored;
51 gss_cred_usage_t	*cred_usage_stored;
52 
53 {
54 	OM_uint32		major_status = GSS_S_FAILURE;
55 	gss_union_cred_t	union_cred;
56 	gss_cred_id_t		mech_cred;
57 	gss_mechanism		mech;
58 	gss_OID			dmech;
59 	int			i;
60 
61 	/* Start by checking parameters */
62 	if (minor_status == NULL)
63 		return (GSS_S_CALL_INACCESSIBLE_WRITE|GSS_S_NO_CRED);
64 	*minor_status = 0;
65 
66 	if (input_cred_handle == GSS_C_NO_CREDENTIAL)
67 		return (GSS_S_CALL_INACCESSIBLE_READ);
68 
69 	if (elements_stored != NULL)
70 		*elements_stored = GSS_C_NULL_OID_SET;
71 
72 	if (cred_usage_stored != NULL)
73 		*cred_usage_stored = GSS_C_BOTH; /* there's no GSS_C_NEITHER */
74 
75 	union_cred = (gss_union_cred_t)input_cred_handle;
76 
77 	/* desired_mech != GSS_C_NULL_OID -> store one element */
78 	if (desired_mech != GSS_C_NULL_OID) {
79 		mech = __gss_get_mechanism(desired_mech);
80 		if (mech == NULL)
81 			return (GSS_S_BAD_MECH);
82 
83 		if (mech->gss_store_cred == NULL)
84 			return (major_status);
85 
86 		mech_cred = __gss_get_mechanism_cred(union_cred, desired_mech);
87 		if (mech_cred == GSS_C_NO_CREDENTIAL)
88 			return (GSS_S_NO_CRED);
89 
90 		return (mech->gss_store_cred(mech->context,
91 						minor_status,
92 						(gss_cred_id_t)mech_cred,
93 						cred_usage,
94 						desired_mech,
95 						overwrite_cred,
96 						default_cred,
97 						elements_stored,
98 						cred_usage_stored));
99 	}
100 
101 	/* desired_mech == GSS_C_NULL_OID -> store all elements */
102 
103 	*minor_status = 0;
104 
105 	for (i = 0; i < union_cred->count; i++) {
106 		/* Get mech and cred element */
107 		dmech = &union_cred->mechs_array[i];
108 		mech = __gss_get_mechanism(dmech);
109 		if (mech == NULL)
110 			continue;
111 
112 		if (mech->gss_store_cred == NULL)
113 			continue;
114 
115 		mech_cred = __gss_get_mechanism_cred(union_cred, dmech);
116 		if (mech_cred == GSS_C_NO_CREDENTIAL)
117 			continue; /* can't happen, but safe to ignore */
118 
119 		major_status = mech->gss_store_cred(mech->context,
120 						minor_status,
121 						(gss_cred_id_t)mech_cred,
122 						cred_usage,
123 						dmech,
124 						overwrite_cred,
125 						default_cred,
126 						NULL,
127 						cred_usage_stored);
128 		if (major_status != GSS_S_COMPLETE)
129 			continue;
130 
131 		/* Succeeded for at least one mech */
132 
133 		if (elements_stored == NULL)
134 			continue;
135 
136 		if (*elements_stored == GSS_C_NULL_OID_SET) {
137 			major_status = gss_create_empty_oid_set(minor_status,
138 						elements_stored);
139 
140 			if (GSS_ERROR(major_status))
141 				return (major_status);
142 		}
143 
144 		major_status = gss_add_oid_set_member(minor_status, dmech,
145 			elements_stored);
146 
147 		/* The caller should clean up elements_stored */
148 		if (GSS_ERROR(major_status))
149 			return (major_status);
150 	}
151 
152 	/*
153 	 * Success with some mechs may mask failure with others, but
154 	 * that's what elements_stored is for.
155 	 */
156 	return (major_status);
157 }
158