freebsd-dev/lib/libgssapi/gss_set_cred_option.c

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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2004, PADL Software Pty Ltd.
* 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 PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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.
*/
/* $FreeBSD$ */
/* RCSID("$Id: gss_set_cred_option.c 21126 2007-06-18 20:19:59Z lha $"); */
#include <gssapi/gssapi.h>
#include <stdlib.h>
#include <errno.h>
#include "mech_switch.h"
#include "cred.h"
OM_uint32
gss_set_cred_option (OM_uint32 *minor_status,
gss_cred_id_t *cred_handle,
const gss_OID object,
const gss_buffer_t value)
{
struct _gss_cred *cred = (struct _gss_cred *) *cred_handle;
OM_uint32 major_status = GSS_S_COMPLETE;
struct _gss_mechanism_cred *mc;
int one_ok = 0;
*minor_status = 0;
_gss_load_mech();
if (cred == NULL) {
struct _gss_mech_switch *m;
cred = malloc(sizeof(*cred));
if (cred == NULL)
return GSS_S_FAILURE;
SLIST_INIT(&cred->gc_mc);
SLIST_FOREACH(m, &_gss_mechs, gm_link) {
if (m->gm_set_cred_option == NULL)
continue;
mc = malloc(sizeof(*mc));
if (mc == NULL) {
*cred_handle = (gss_cred_id_t)cred;
gss_release_cred(minor_status, cred_handle);
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
mc->gmc_mech = m;
mc->gmc_mech_oid = &m->gm_mech_oid;
mc->gmc_cred = GSS_C_NO_CREDENTIAL;
major_status = m->gm_set_cred_option(
minor_status, &mc->gmc_cred, object, value);
if (major_status) {
free(mc);
continue;
}
one_ok = 1;
SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
}
*cred_handle = (gss_cred_id_t)cred;
if (!one_ok) {
OM_uint32 junk;
gss_release_cred(&junk, cred_handle);
}
} else {
struct _gss_mech_switch *m;
SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
m = mc->gmc_mech;
if (m == NULL)
return GSS_S_BAD_MECH;
if (m->gm_set_cred_option == NULL)
continue;
major_status = m->gm_set_cred_option(minor_status,
&mc->gmc_cred, object, value);
if (major_status == GSS_S_COMPLETE)
one_ok = 1;
else
_gss_mg_error(m, major_status, *minor_status);
}
}
if (one_ok) {
*minor_status = 0;
return (GSS_S_COMPLETE);
}
return (major_status);
}