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33f1219925
all non-style changes made by heimdal to our own libgssapi.
194 lines
5.5 KiB
C
194 lines
5.5 KiB
C
/*-
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* Copyright (c) 2005 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <gssapi/gssapi.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "mech_switch.h"
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#include "cred.h"
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#include "name.h"
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#include "utils.h"
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static struct _gss_mechanism_cred *
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_gss_copy_cred(struct _gss_mechanism_cred *mc)
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{
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struct _gss_mechanism_cred *new_mc;
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struct _gss_mech_switch *m = mc->gmc_mech;
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OM_uint32 major_status, minor_status;
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gss_name_t name;
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gss_cred_id_t cred;
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OM_uint32 initiator_lifetime, acceptor_lifetime;
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gss_cred_usage_t cred_usage;
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major_status = m->gm_inquire_cred_by_mech(&minor_status,
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mc->gmc_cred, mc->gmc_mech_oid,
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&name, &initiator_lifetime, &acceptor_lifetime, &cred_usage);
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if (major_status) {
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_gss_mg_error(m, major_status, minor_status);
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return (0);
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}
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major_status = m->gm_add_cred(&minor_status,
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GSS_C_NO_CREDENTIAL, name, mc->gmc_mech_oid,
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cred_usage, initiator_lifetime, acceptor_lifetime,
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&cred, 0, 0, 0);
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m->gm_release_name(&minor_status, &name);
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if (major_status) {
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_gss_mg_error(m, major_status, minor_status);
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return (0);
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}
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new_mc = malloc(sizeof(struct _gss_mechanism_cred));
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if (!new_mc) {
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m->gm_release_cred(&minor_status, &cred);
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return (0);
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}
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new_mc->gmc_mech = m;
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new_mc->gmc_mech_oid = &m->gm_mech_oid;
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new_mc->gmc_cred = cred;
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return (new_mc);
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}
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OM_uint32
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gss_add_cred(OM_uint32 *minor_status,
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const gss_cred_id_t input_cred_handle,
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const gss_name_t desired_name,
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const gss_OID desired_mech,
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gss_cred_usage_t cred_usage,
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OM_uint32 initiator_time_req,
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OM_uint32 acceptor_time_req,
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gss_cred_id_t *output_cred_handle,
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gss_OID_set *actual_mechs,
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OM_uint32 *initiator_time_rec,
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OM_uint32 *acceptor_time_rec)
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{
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OM_uint32 major_status;
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struct _gss_mech_switch *m;
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struct _gss_cred *cred = (struct _gss_cred *) input_cred_handle;
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struct _gss_cred *new_cred;
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gss_cred_id_t release_cred;
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struct _gss_mechanism_cred *mc, *target_mc, *copy_mc;
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struct _gss_mechanism_name *mn;
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OM_uint32 junk;
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*minor_status = 0;
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*output_cred_handle = GSS_C_NO_CREDENTIAL;
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if (initiator_time_rec)
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*initiator_time_rec = 0;
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if (acceptor_time_rec)
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*acceptor_time_rec = 0;
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if (actual_mechs)
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*actual_mechs = GSS_C_NO_OID_SET;
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new_cred = malloc(sizeof(struct _gss_cred));
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if (!new_cred) {
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*minor_status = ENOMEM;
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return (GSS_S_FAILURE);
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}
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SLIST_INIT(&new_cred->gc_mc);
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/*
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* We go through all the mc attached to the input_cred_handle
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* and check the mechanism. If it matches, we call
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* gss_add_cred for that mechanism, otherwise we copy the mc
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* to new_cred.
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*/
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target_mc = 0;
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if (cred) {
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SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
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if (gss_oid_equal(mc->gmc_mech_oid, desired_mech)) {
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target_mc = mc;
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}
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copy_mc = _gss_copy_cred(mc);
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if (!copy_mc) {
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release_cred = (gss_cred_id_t) new_cred;
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gss_release_cred(&junk, &release_cred);
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*minor_status = ENOMEM;
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return (GSS_S_FAILURE);
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}
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SLIST_INSERT_HEAD(&new_cred->gc_mc, copy_mc, gmc_link);
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}
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}
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/*
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* Figure out a suitable mn, if any.
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*/
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if (desired_name) {
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major_status = _gss_find_mn(minor_status,
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(struct _gss_name *) desired_name,
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desired_mech,
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&mn);
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if (major_status != GSS_S_COMPLETE) {
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free(new_cred);
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return (major_status);
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}
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} else {
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mn = 0;
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}
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m = _gss_find_mech_switch(desired_mech);
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mc = malloc(sizeof(struct _gss_mechanism_cred));
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if (!mc) {
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release_cred = (gss_cred_id_t) new_cred;
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gss_release_cred(&junk, &release_cred);
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*minor_status = ENOMEM;
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return (GSS_S_FAILURE);
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}
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mc->gmc_mech = m;
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mc->gmc_mech_oid = &m->gm_mech_oid;
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major_status = m->gm_add_cred(minor_status,
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target_mc ? target_mc->gmc_cred : GSS_C_NO_CREDENTIAL,
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desired_name ? mn->gmn_name : GSS_C_NO_NAME,
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desired_mech,
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cred_usage,
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initiator_time_req,
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acceptor_time_req,
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&mc->gmc_cred,
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actual_mechs,
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initiator_time_rec,
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acceptor_time_rec);
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if (major_status) {
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_gss_mg_error(m, major_status, *minor_status);
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release_cred = (gss_cred_id_t) new_cred;
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gss_release_cred(&junk, &release_cred);
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free(mc);
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return (major_status);
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}
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SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link);
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*output_cred_handle = (gss_cred_id_t) new_cred;
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return (GSS_S_COMPLETE);
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}
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