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/*-
* Copyright (c) 2005 Doug Rabson
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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: src/lib/libgssapi/gss_add_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
*/
#include "mech_locl.h"
static struct _gss_mechanism_cred *
_gss_copy_cred(struct _gss_mechanism_cred *mc)
{
struct _gss_mechanism_cred *new_mc;
gssapi_mech_interface m = mc->gmc_mech;
OM_uint32 major_status, minor_status;
gss_name_t name;
gss_cred_id_t cred;
OM_uint32 initiator_lifetime, acceptor_lifetime;
gss_cred_usage_t cred_usage;
major_status = m->gm_inquire_cred_by_mech(&minor_status,
mc->gmc_cred, mc->gmc_mech_oid,
&name, &initiator_lifetime, &acceptor_lifetime, &cred_usage);
if (major_status) {
_gss_mg_error(m, major_status, minor_status);
return (0);
}
major_status = m->gm_add_cred(&minor_status,
GSS_C_NO_CREDENTIAL, name, mc->gmc_mech_oid,
cred_usage, initiator_lifetime, acceptor_lifetime,
&cred, 0, 0, 0);
m->gm_release_name(&minor_status, &name);
if (major_status) {
_gss_mg_error(m, major_status, minor_status);
return (0);
}
new_mc = malloc(sizeof(struct _gss_mechanism_cred));
if (!new_mc) {
m->gm_release_cred(&minor_status, &cred);
return (0);
}
new_mc->gmc_mech = m;
new_mc->gmc_mech_oid = &m->gm_mech_oid;
new_mc->gmc_cred = cred;
return (new_mc);
}
GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_add_cred(OM_uint32 *minor_status,
const gss_cred_id_t input_cred_handle,
const gss_name_t desired_name,
const gss_OID desired_mech,
gss_cred_usage_t cred_usage,
OM_uint32 initiator_time_req,
OM_uint32 acceptor_time_req,
gss_cred_id_t *output_cred_handle,
gss_OID_set *actual_mechs,
OM_uint32 *initiator_time_rec,
OM_uint32 *acceptor_time_rec)
{
OM_uint32 major_status;
gssapi_mech_interface m;
struct _gss_cred *cred = (struct _gss_cred *) input_cred_handle;
struct _gss_cred *new_cred;
gss_cred_id_t release_cred;
struct _gss_mechanism_cred *mc, *target_mc, *copy_mc;
struct _gss_mechanism_name *mn;
OM_uint32 junk;
*minor_status = 0;
*output_cred_handle = GSS_C_NO_CREDENTIAL;
if (initiator_time_rec)
*initiator_time_rec = 0;
if (acceptor_time_rec)
*acceptor_time_rec = 0;
if (actual_mechs)
*actual_mechs = GSS_C_NO_OID_SET;
new_cred = malloc(sizeof(struct _gss_cred));
if (!new_cred) {
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
SLIST_INIT(&new_cred->gc_mc);
/*
* We go through all the mc attached to the input_cred_handle
* and check the mechanism. If it matches, we call
* gss_add_cred for that mechanism, otherwise we copy the mc
* to new_cred.
*/
target_mc = 0;
if (cred) {
SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
if (gss_oid_equal(mc->gmc_mech_oid, desired_mech)) {
target_mc = mc;
}
copy_mc = _gss_copy_cred(mc);
if (!copy_mc) {
release_cred = (gss_cred_id_t)new_cred;
gss_release_cred(&junk, &release_cred);
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
SLIST_INSERT_HEAD(&new_cred->gc_mc, copy_mc, gmc_link);
}
}
/*
* Figure out a suitable mn, if any.
*/
if (desired_name) {
major_status = _gss_find_mn(minor_status,
(struct _gss_name *) desired_name,
desired_mech,
&mn);
if (major_status != GSS_S_COMPLETE) {
free(new_cred);
return major_status;
}
} else {
mn = 0;
}
m = __gss_get_mechanism(desired_mech);
mc = malloc(sizeof(struct _gss_mechanism_cred));
if (!mc) {
release_cred = (gss_cred_id_t)new_cred;
gss_release_cred(&junk, &release_cred);
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
mc->gmc_mech = m;
mc->gmc_mech_oid = &m->gm_mech_oid;
major_status = m->gm_add_cred(minor_status,
target_mc ? target_mc->gmc_cred : GSS_C_NO_CREDENTIAL,
desired_name ? mn->gmn_name : GSS_C_NO_NAME,
desired_mech,
cred_usage,
initiator_time_req,
acceptor_time_req,
&mc->gmc_cred,
actual_mechs,
initiator_time_rec,
acceptor_time_rec);
if (major_status) {
_gss_mg_error(m, major_status, *minor_status);
release_cred = (gss_cred_id_t)new_cred;
gss_release_cred(&junk, &release_cred);
free(mc);
return (major_status);
}
SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link);
*output_cred_handle = (gss_cred_id_t) new_cred;
return (GSS_S_COMPLETE);
}
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