/*
* Copyright (c) 1997, 2003 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "gsskrb5_locl.h"
OM_uint32 GSSAPI_CALLCONV _gsskrb5_inquire_cred
(OM_uint32 * minor_status,
const gss_cred_id_t cred_handle,
gss_name_t * output_name,
OM_uint32 * lifetime,
gss_cred_usage_t * cred_usage,
gss_OID_set * mechanisms
)
{
krb5_context context;
gss_cred_id_t aqcred_init = GSS_C_NO_CREDENTIAL;
gss_cred_id_t aqcred_accept = GSS_C_NO_CREDENTIAL;
gsskrb5_cred acred = NULL, icred = NULL;
OM_uint32 ret;
*minor_status = 0;
if (output_name)
*output_name = NULL;
if (mechanisms)
*mechanisms = GSS_C_NO_OID_SET;
GSSAPI_KRB5_INIT (&context);
if (cred_handle == GSS_C_NO_CREDENTIAL) {
ret = _gsskrb5_acquire_cred(minor_status,
GSS_C_NO_NAME,
GSS_C_INDEFINITE,
GSS_C_NO_OID_SET,
GSS_C_ACCEPT,
&aqcred_accept,
NULL,
NULL);
if (ret == GSS_S_COMPLETE)
acred = (gsskrb5_cred)aqcred_accept;
ret = _gsskrb5_acquire_cred(minor_status,
GSS_C_NO_NAME,
GSS_C_INDEFINITE,
GSS_C_NO_OID_SET,
GSS_C_INITIATE,
&aqcred_init,
NULL,
NULL);
if (ret == GSS_S_COMPLETE)
icred = (gsskrb5_cred)aqcred_init;
if (icred == NULL && acred == NULL) {
*minor_status = 0;
return GSS_S_NO_CRED;
}
} else
acred = (gsskrb5_cred)cred_handle;
if (acred)
HEIMDAL_MUTEX_lock(&acred->cred_id_mutex);
if (icred)
HEIMDAL_MUTEX_lock(&icred->cred_id_mutex);
if (output_name != NULL) {
if (icred && icred->principal != NULL) {
gss_name_t name;
if (acred && acred->principal)
name = (gss_name_t)acred->principal;
else
name = (gss_name_t)icred->principal;
ret = _gsskrb5_duplicate_name(minor_status, name, output_name);
if (ret)
goto out;
} else if (acred && acred->usage == GSS_C_ACCEPT) {
krb5_principal princ;
*minor_status = krb5_sname_to_principal(context, NULL,
NULL, KRB5_NT_SRV_HST,
&princ);
if (*minor_status) {
ret = GSS_S_FAILURE;
goto out;
}
*output_name = (gss_name_t)princ;
} else {
krb5_principal princ;
*minor_status = krb5_get_default_principal(context,
&princ);
if (*minor_status) {
ret = GSS_S_FAILURE;
goto out;
}
*output_name = (gss_name_t)princ;
}
}
if (lifetime != NULL) {
OM_uint32 alife = GSS_C_INDEFINITE, ilife = GSS_C_INDEFINITE;
if (acred) alife = acred->lifetime;
if (icred) ilife = icred->lifetime;
ret = _gsskrb5_lifetime_left(minor_status,
context,
min(alife,ilife),
lifetime);
if (ret)
goto out;
}
if (cred_usage != NULL) {
if (acred && icred)
*cred_usage = GSS_C_BOTH;
else if (acred)
*cred_usage = GSS_C_ACCEPT;
else if (icred)
*cred_usage = GSS_C_INITIATE;
else
abort();
}
if (mechanisms != NULL) {
ret = gss_create_empty_oid_set(minor_status, mechanisms);
if (ret)
goto out;
if (acred)
ret = gss_add_oid_set_member(minor_status,
&acred->mechanisms->elements[0],
mechanisms);
if (ret == GSS_S_COMPLETE && icred)
ret = gss_add_oid_set_member(minor_status,
&icred->mechanisms->elements[0],
mechanisms);
if (ret)
goto out;
}
ret = GSS_S_COMPLETE;
out:
if (acred)
HEIMDAL_MUTEX_unlock(&acred->cred_id_mutex);
if (icred)
HEIMDAL_MUTEX_unlock(&icred->cred_id_mutex);
if (aqcred_init != GSS_C_NO_CREDENTIAL)
ret = _gsskrb5_release_cred(minor_status, &aqcred_init);
if (aqcred_accept != GSS_C_NO_CREDENTIAL)
ret = _gsskrb5_release_cred(minor_status, &aqcred_accept);
return ret;
}