g_inquire_cred.c revision 5e01956f3000408c2a2c5a08c8d0acf2c2a9d8ee
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
*/
/*
* glue routine for gss_inquire_cred
*/
#include <mechglueP.h>
#include "gssapiP_generic.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
OM_uint32
gss_inquire_cred(minor_status,
cred_handle,
name,
lifetime,
cred_usage,
mechanisms)
OM_uint32 *minor_status;
const gss_cred_id_t cred_handle;
gss_name_t *name;
OM_uint32 *lifetime;
int *cred_usage;
gss_OID_set *mechanisms;
{
OM_uint32 status, elapsed_time, temp_minor_status;
gss_union_cred_t union_cred;
gss_mechanism mech;
gss_name_t internal_name;
int i;
/* Initialize outputs. */
if (minor_status != NULL)
*minor_status = 0;
if (name != NULL)
*name = GSS_C_NO_NAME;
if (mechanisms != NULL)
*mechanisms = GSS_C_NO_OID_SET;
/* Validate arguments. */
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (cred_handle == GSS_C_NO_CREDENTIAL) {
/*
* No credential was supplied. This means we can't get a mechanism
* pointer to call the mechanism specific gss_inquire_cred.
* So, call get_mechanism with an arguement of GSS_C_NULL_OID.
* get_mechanism will return the first mechanism in the mech
* array, which becomes the default mechanism.
*/
if ((mech = __gss_get_mechanism(GSS_C_NULL_OID)) == NULL)
return (GSS_S_DEFECTIVE_CREDENTIAL);
if (!mech->gss_inquire_cred)
return (GSS_S_UNAVAILABLE);
status = mech->gss_inquire_cred(mech->context, minor_status,
GSS_C_NO_CREDENTIAL,
name ? &internal_name : NULL,
lifetime, cred_usage,
mechanisms);
if (status != GSS_S_COMPLETE) {
map_error(minor_status, mech);
return (status);
}
if (name) {
/*
* Convert internal_name into a union_name equivalent.
*/
status = __gss_convert_name_to_union_name(
&temp_minor_status, mech,
internal_name, name);
if (status != GSS_S_COMPLETE) {
*minor_status = temp_minor_status;
map_error(minor_status, mech);
if (mechanisms && *mechanisms) {
(void) gss_release_oid_set(
&temp_minor_status,
mechanisms);
}
return (status);
}
}
return (GSS_S_COMPLETE);
}
/* get the cred_handle cast as a union_credentials structure */
union_cred = (gss_union_cred_t)cred_handle;
/*
* get the information out of the union_cred structure that was
* placed there during gss_acquire_cred.
*/
if (cred_usage != NULL)
*cred_usage = union_cred->auxinfo.cred_usage;
if (lifetime != NULL) {
elapsed_time = time(0) - union_cred->auxinfo.creation_time;
*lifetime = union_cred->auxinfo.time_rec < elapsed_time ? 0 :
union_cred->auxinfo.time_rec - elapsed_time;
}
/*
* if name is non_null,
* call gss_import_name() followed by gss_canonicalize_name()
* to get a mechanism specific name passed back to the caller.
* If this call fails, return failure to our caller.
* XXX The cred_handle may contain an array of mechanism OID's
* but we only return the MN for the first mechanism to the caller.
* In theory, we should modify this to provide an array of MN's
* one per mechanism back to the caller.
*/
if (name != NULL) {
if (union_cred->auxinfo.name.length == 0) {
*name = GSS_C_NO_NAME;
} else if ((gss_import_name(minor_status,
&union_cred->auxinfo.name,
union_cred->auxinfo.name_type,
name) != GSS_S_COMPLETE) ||
(gss_canonicalize_name(minor_status, *name,
&union_cred->mechs_array[0],
NULL) != GSS_S_COMPLETE)) {
status = GSS_S_DEFECTIVE_CREDENTIAL;
goto error;
}
}
/*
* copy the mechanism set in union_cred into an OID set and return in
* the mechanisms parameter.
*/
if (mechanisms != NULL) {
status = GSS_S_FAILURE;
*mechanisms = (gss_OID_set) malloc(sizeof (gss_OID_set_desc));
if (*mechanisms == NULL)
goto error;
(*mechanisms)->count = 0;
(*mechanisms)->elements =
(gss_OID) malloc(sizeof (gss_OID_desc) *
union_cred->count);
if ((*mechanisms)->elements == NULL) {
free(*mechanisms);
*mechanisms = NULL;
goto error;
}
for (i = 0; i < union_cred->count; i++) {
(*mechanisms)->elements[i].elements = (void *)
malloc(union_cred->mechs_array[i].length);
if ((*mechanisms)->elements[i].elements == NULL)
goto error;
g_OID_copy(&(*mechanisms)->elements[i],
&union_cred->mechs_array[i]);
(*mechanisms)->count++;
}
}
return (GSS_S_COMPLETE);
error:
/*
* cleanup any allocated memory - we can just call
* gss_release_oid_set, because the set is constructed so that
* count always references the currently copied number of
* elements.
*/
if (mechanisms && *mechanisms != NULL)
(void) gss_release_oid_set(&temp_minor_status, mechanisms);
if (name && *name != NULL)
(void) gss_release_name(&temp_minor_status, name);
return (status);
}
OM_uint32
gss_inquire_cred_by_mech(minor_status, cred_handle, mech_type, name,
initiator_lifetime, acceptor_lifetime, cred_usage)
OM_uint32 *minor_status;
const gss_cred_id_t cred_handle;
const gss_OID mech_type;
gss_name_t *name;
OM_uint32 *initiator_lifetime;
OM_uint32 *acceptor_lifetime;
gss_cred_usage_t *cred_usage;
{
gss_union_cred_t union_cred;
gss_cred_id_t mech_cred;
gss_mechanism mech;
OM_uint32 status, temp_minor_status;
gss_name_t internal_name;
if (minor_status != NULL)
*minor_status = 0;
if (name != NULL)
*name = GSS_C_NO_NAME;
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
mech = __gss_get_mechanism(mech_type);
if (!mech)
return (GSS_S_BAD_MECH);
if (!mech->gss_inquire_cred_by_mech)
return (GSS_S_UNAVAILABLE);
union_cred = (gss_union_cred_t)cred_handle;
mech_cred = __gss_get_mechanism_cred(union_cred, mech_type);
if (mech_cred == NULL)
return (GSS_S_DEFECTIVE_CREDENTIAL);
if (mech->gss_inquire_cred_by_mech != NULL) {
status = mech->gss_inquire_cred_by_mech(mech->context,
minor_status,
mech_cred, mech_type,
name ? &internal_name : NULL,
initiator_lifetime,
acceptor_lifetime, cred_usage);
if (status != GSS_S_COMPLETE) {
map_error(minor_status, mech);
return (status);
}
if (name) {
/*
* Convert internal_name into a union_name equivalent.
*/
status = __gss_convert_name_to_union_name(
&temp_minor_status, mech,
internal_name, name);
if (status != GSS_S_COMPLETE) {
*minor_status = temp_minor_status;
map_error(minor_status, mech);
return (status);
}
}
} else {
return (GSS_S_UNAVAILABLE);
}
return (GSS_S_COMPLETE);
}