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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 2000, 2007 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
/*
* Copyright 1993 by OpenVision Technologies, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appears in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of OpenVision not be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. OpenVision makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Copyright (C) 1998 by the FundsXpress, INC.
*
* All rights reserved.
*
* Export of this software from the United States of America may require
* a specific license from the United States Government. It is the
* responsibility of any person or organization contemplating export to
* obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of FundsXpress. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. FundsXpress makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "gssapiP_krb5.h"
OM_uint32 KRB5_CALLCONV
krb5_gss_inquire_cred(minor_status, cred_handle, name, lifetime_ret,
cred_usage, mechanisms)
OM_uint32 *minor_status;
gss_cred_id_t cred_handle;
gss_name_t *name;
OM_uint32 *lifetime_ret;
gss_cred_usage_t *cred_usage;
gss_OID_set *mechanisms;
{
krb5_context context;
gss_cred_id_t defcred = GSS_C_NO_CREDENTIAL;
krb5_gss_cred_id_t cred = NULL;
krb5_error_code code;
krb5_timestamp now;
krb5_deltat lifetime;
krb5_gss_name_t ret_name;
krb5_principal princ;
gss_OID_set mechs;
OM_uint32 major, tmpmin, ret;
ret = GSS_S_FAILURE;
ret_name = NULL;
code = krb5_gss_init_context(&context);
if (code) {
*minor_status = code;
return GSS_S_FAILURE;
}
if (name) *name = NULL;
if (mechanisms) *mechanisms = NULL;
/* check for default credential */
/*SUPPRESS 29*/
if (cred_handle == GSS_C_NO_CREDENTIAL) {
major = kg_get_defcred(minor_status, &defcred);
if (GSS_ERROR(major)) {
krb5_free_context(context);
return(major);
}
cred_handle = defcred;
}
major = kg_cred_resolve(minor_status, context, cred_handle, GSS_C_NO_NAME);
if (GSS_ERROR(major)) {
krb5_gss_release_cred(minor_status, &defcred);
krb5_free_context(context);
return(major);
}
cred = (krb5_gss_cred_id_t)cred_handle;
if ((code = krb5_timeofday(context, &now))) {
*minor_status = code;
ret = GSS_S_FAILURE;
goto fail;
}
if (cred->expire > 0) {
if ((lifetime = cred->expire - now) < 0)
lifetime = 0;
}
else
lifetime = GSS_C_INDEFINITE;
if (name) {
if (cred->name) {
code = kg_duplicate_name(context, cred->name, &ret_name);
} else if ((cred->usage == GSS_C_ACCEPT || cred->usage == GSS_C_BOTH)
&& cred->keytab != NULL) {
/* This is a default acceptor cred; use a name from the keytab if
* we can. */
code = k5_kt_get_principal(context, cred->keytab, &princ);
if (code == 0) {
code = kg_init_name(context, princ, NULL, NULL, NULL,
KG_INIT_NAME_NO_COPY, &ret_name);
if (code)
krb5_free_principal(context, princ);
} else if (code == KRB5_KT_NOTFOUND)
code = 0;
}
if (code) {
*minor_status = code;
save_error_info(*minor_status, context);
ret = GSS_S_FAILURE;
goto fail;
}
}
if (mechanisms) {
if (GSS_ERROR(ret = generic_gss_create_empty_oid_set(minor_status,
&mechs)) ||
GSS_ERROR(ret = generic_gss_add_oid_set_member(minor_status,
gss_mech_krb5_old,
&mechs)) ||
GSS_ERROR(ret = generic_gss_add_oid_set_member(minor_status,
gss_mech_krb5,
&mechs))) {
if (ret_name)
kg_release_name(context, &ret_name);
/* *minor_status set above */
goto fail;
}
}
if (name) {
if (ret_name != NULL)
*name = (gss_name_t) ret_name;
else
*name = GSS_C_NO_NAME;
}
if (lifetime_ret)
*lifetime_ret = lifetime;
if (cred_usage)
*cred_usage = cred->usage;
k5_mutex_unlock(&cred->lock);
if (mechanisms)
*mechanisms = mechs;
if (cred_handle == GSS_C_NO_CREDENTIAL)
krb5_gss_release_cred(minor_status, (gss_cred_id_t *)&cred);
krb5_free_context(context);
*minor_status = 0;
return((lifetime == 0)?GSS_S_CREDENTIALS_EXPIRED:GSS_S_COMPLETE);
fail:
k5_mutex_unlock(&cred->lock);
krb5_gss_release_cred(&tmpmin, &defcred);
krb5_free_context(context);
return ret;
}
/* V2 interface */
OM_uint32 KRB5_CALLCONV
krb5_gss_inquire_cred_by_mech(minor_status, cred_handle,
mech_type, name, initiator_lifetime,
acceptor_lifetime, cred_usage)
OM_uint32 *minor_status;
gss_cred_id_t cred_handle;
gss_OID mech_type;
gss_name_t *name;
OM_uint32 *initiator_lifetime;
OM_uint32 *acceptor_lifetime;
gss_cred_usage_t *cred_usage;
{
krb5_gss_cred_id_t cred;
OM_uint32 lifetime;
OM_uint32 mstat;
cred = (krb5_gss_cred_id_t) cred_handle;
mstat = krb5_gss_inquire_cred(minor_status,
cred_handle,
name,
&lifetime,
cred_usage,
(gss_OID_set *) NULL);
if (mstat == GSS_S_COMPLETE) {
if (cred &&
((cred->usage == GSS_C_INITIATE) ||
(cred->usage == GSS_C_BOTH)) &&
initiator_lifetime)
*initiator_lifetime = lifetime;
if (cred &&
((cred->usage == GSS_C_ACCEPT) ||
(cred->usage == GSS_C_BOTH)) &&
acceptor_lifetime)
*acceptor_lifetime = lifetime;
}
return(mstat);
}
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