2 * Copyright (c) 2005 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 * $FreeBSD: src/lib/libgssapi/gss_acquire_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
29 #include "mech_locl.h"
32 OM_uint32 GSSAPI_LIB_FUNCTION
33 gss_acquire_cred(OM_uint32 *minor_status,
34 const gss_name_t desired_name,
36 const gss_OID_set desired_mechs,
37 gss_cred_usage_t cred_usage,
38 gss_cred_id_t *output_cred_handle,
39 gss_OID_set *actual_mechs,
42 OM_uint32 major_status;
43 gss_OID_set mechs = desired_mechs;
45 struct _gss_name *name = (struct _gss_name *) desired_name;
46 gssapi_mech_interface m;
47 struct _gss_cred *cred;
48 struct _gss_mechanism_cred *mc;
49 OM_uint32 min_time, cred_time;
53 if (output_cred_handle)
54 *output_cred_handle = GSS_C_NO_CREDENTIAL;
56 *actual_mechs = GSS_C_NO_OID_SET;
63 * First make sure that at least one of the requested
64 * mechanisms is one that we support.
67 for (i = 0; i < mechs->count; i++) {
69 gss_test_oid_set_member(minor_status,
70 &mechs->elements[i], _gss_mech_oids, &t);
74 if (i == mechs->count) {
76 return (GSS_S_BAD_MECH);
81 major_status = gss_create_empty_oid_set(minor_status,
84 return (major_status);
87 cred = malloc(sizeof(struct _gss_cred));
90 gss_release_oid_set(minor_status, actual_mechs);
91 *minor_status = ENOMEM;
92 return (GSS_S_FAILURE);
94 SLIST_INIT(&cred->gc_mc);
96 if (mechs == GSS_C_NO_OID_SET)
97 mechs = _gss_mech_oids;
100 min_time = GSS_C_INDEFINITE;
101 for (i = 0; i < mechs->count; i++) {
102 struct _gss_mechanism_name *mn = NULL;
104 m = __gss_get_mechanism(&mechs->elements[i]);
108 if (desired_name != GSS_C_NO_NAME) {
109 major_status = _gss_find_mn(minor_status, name,
110 &mechs->elements[i], &mn);
111 if (major_status != GSS_S_COMPLETE)
115 mc = malloc(sizeof(struct _gss_mechanism_cred));
120 mc->gmc_mech_oid = &m->gm_mech_oid;
123 * XXX Probably need to do something with actual_mechs.
125 set.elements = &mechs->elements[i];
126 major_status = m->gm_acquire_cred(minor_status,
127 (desired_name != GSS_C_NO_NAME
128 ? mn->gmn_name : GSS_C_NO_NAME),
129 time_req, &set, cred_usage,
130 &mc->gmc_cred, NULL, &cred_time);
135 if (cred_time < min_time)
136 min_time = cred_time;
139 major_status = gss_add_oid_set_member(minor_status,
140 mc->gmc_mech_oid, actual_mechs);
142 m->gm_release_cred(minor_status,
149 SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
153 * If we didn't manage to create a single credential, return
156 if (!SLIST_FIRST(&cred->gc_mc)) {
159 gss_release_oid_set(minor_status, actual_mechs);
161 return (GSS_S_NO_CRED);
165 *time_rec = min_time;
166 *output_cred_handle = (gss_cred_id_t) cred;
168 return (GSS_S_COMPLETE);