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
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/lib/libgssapi/gss_inquire_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
29 #include "mech_locl.h"
35 updateusage(gss_cred_usage_t usage, int *usagemask)
37 if (usage == GSS_C_BOTH)
38 *usagemask |= AUSAGE | IUSAGE;
39 else if (usage == GSS_C_ACCEPT)
41 else if (usage == GSS_C_INITIATE)
45 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
46 gss_inquire_cred(OM_uint32 *minor_status,
47 gss_const_cred_id_t cred_handle,
50 gss_cred_usage_t *cred_usage,
51 gss_OID_set *mechanisms)
53 OM_uint32 major_status;
54 struct _gss_mech_switch *m;
55 struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
56 struct _gss_name *name;
57 struct _gss_mechanism_name *mn;
58 OM_uint32 min_lifetime;
61 gss_cred_usage_t usage;
67 *name_ret = GSS_C_NO_NAME;
73 *mechanisms = GSS_C_NO_OID_SET;
76 name = _gss_create_name(NULL, NULL);
78 *minor_status = ENOMEM;
79 return (GSS_S_FAILURE);
86 major_status = gss_create_empty_oid_set(minor_status,
90 return (major_status);
94 min_lifetime = GSS_C_INDEFINITE;
96 struct _gss_mechanism_cred *mc;
98 HEIM_TAILQ_FOREACH(mc, &cred->gc_mc, gmc_link) {
99 gss_name_t mc_name = GSS_C_NO_NAME;
100 OM_uint32 mc_lifetime = GSS_C_INDEFINITE;
102 heim_assert((mc->gmc_mech->gm_flags & GM_USE_MG_CRED) == 0,
103 "should not have mech creds for GM_USE_MG_CRED mechs");
105 if (mc->gmc_mech->gm_inquire_cred == NULL)
108 major_status = mc->gmc_mech->gm_inquire_cred(minor_status,
109 mc->gmc_cred, &mc_name, &mc_lifetime, &usage, NULL);
113 updateusage(usage, &usagemask);
115 mn = malloc(sizeof(struct _gss_mechanism_name));
117 mc->gmc_mech->gm_release_name(minor_status,
121 mn->gmn_mech = mc->gmc_mech;
122 mn->gmn_mech_oid = mc->gmc_mech_oid;
123 mn->gmn_name = mc_name;
124 HEIM_TAILQ_INSERT_TAIL(&name->gn_mn, mn, gmn_link);
126 mc->gmc_mech->gm_release_name(minor_status,
130 if (mc_lifetime < min_lifetime)
131 min_lifetime = mc_lifetime;
134 gss_add_oid_set_member(minor_status,
135 mc->gmc_mech_oid, mechanisms);
139 HEIM_TAILQ_FOREACH(m, &_gss_mechs, gm_link) {
141 OM_uint32 mc_lifetime;
143 if (m->gm_mech.gm_inquire_cred == NULL ||
144 (m->gm_mech.gm_flags & GM_USE_MG_CRED))
147 major_status = m->gm_mech.gm_inquire_cred(minor_status,
148 GSS_C_NO_CREDENTIAL, &mc_name, &mc_lifetime,
153 updateusage(usage, &usagemask);
154 if (name && mc_name) {
156 sizeof(struct _gss_mechanism_name));
158 m->gm_mech.gm_release_name(
159 minor_status, &mc_name);
162 mn->gmn_mech = &m->gm_mech;
163 mn->gmn_mech_oid = m->gm_mech_oid;
164 mn->gmn_name = mc_name;
165 HEIM_TAILQ_INSERT_TAIL(&name->gn_mn, mn, gmn_link);
166 } else if (mc_name) {
167 m->gm_mech.gm_release_name(minor_status,
171 if (mc_lifetime < min_lifetime)
172 min_lifetime = mc_lifetime;
175 gss_add_oid_set_member(minor_status,
176 m->gm_mech_oid, mechanisms);
181 if (found && mechanisms) {
182 /* GM_USE_MG_CRED mechs (SPNEGO) always can be used */
183 HEIM_TAILQ_FOREACH(m, &_gss_mechs, gm_link) {
184 if ((m->gm_mech.gm_flags & GM_USE_MG_CRED) == 0)
187 gss_add_oid_set_member(minor_status,
188 m->gm_mech_oid, mechanisms);
192 if (found == FALSE || min_lifetime == 0) {
193 gss_name_t n = (gss_name_t)name;
195 gss_release_name(minor_status, &n);
196 gss_release_oid_set(minor_status, mechanisms);
198 if (min_lifetime == 0)
199 return (GSS_S_CREDENTIALS_EXPIRED);
201 return (GSS_S_NO_CRED);
206 *name_ret = (gss_name_t) name;
208 *lifetime = min_lifetime;
210 if ((usagemask & (AUSAGE|IUSAGE)) == (AUSAGE|IUSAGE))
211 *cred_usage = GSS_C_BOTH;
212 else if (usagemask & IUSAGE)
213 *cred_usage = GSS_C_INITIATE;
214 else if (usagemask & AUSAGE)
215 *cred_usage = GSS_C_ACCEPT;
217 return (GSS_S_COMPLETE);