4c8c917a1b
prototypess of memset, memcpy and malloc respectively.
169 lines
4.5 KiB
C
169 lines
4.5 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 <string.h>
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#include <errno.h>
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#include "mech_switch.h"
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#include "name.h"
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#include "cred.h"
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OM_uint32
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gss_inquire_cred(OM_uint32 *minor_status,
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const gss_cred_id_t cred_handle,
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gss_name_t *name_ret,
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OM_uint32 *lifetime,
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gss_cred_usage_t *cred_usage,
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gss_OID_set *mechanisms)
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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 *) cred_handle;
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struct _gss_mechanism_cred *mc;
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struct _gss_name *name;
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struct _gss_mechanism_name *mn;
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OM_uint32 min_lifetime;
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*minor_status = 0;
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if (name_ret)
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*name_ret = 0;
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if (lifetime)
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*lifetime = 0;
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if (cred_usage)
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*cred_usage = 0;
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if (name_ret) {
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name = malloc(sizeof(struct _gss_name));
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if (!name) {
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*minor_status = ENOMEM;
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return (GSS_S_FAILURE);
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}
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memset(name, 0, sizeof(struct _gss_name));
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SLIST_INIT(&name->gn_mn);
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} else {
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name = 0;
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}
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if (mechanisms) {
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major_status = gss_create_empty_oid_set(minor_status,
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mechanisms);
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if (major_status) {
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if (name) free(name);
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return (major_status);
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}
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}
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min_lifetime = GSS_C_INDEFINITE;
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if (cred) {
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SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
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gss_name_t mc_name;
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OM_uint32 mc_lifetime;
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major_status = mc->gmc_mech->gm_inquire_cred(minor_status,
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mc->gmc_cred, &mc_name, &mc_lifetime, NULL, NULL);
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if (major_status)
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continue;
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if (name) {
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mn = malloc(sizeof(struct _gss_mechanism_name));
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if (!mn) {
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mc->gmc_mech->gm_release_name(minor_status,
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&mc_name);
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continue;
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}
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mn->gmn_mech = mc->gmc_mech;
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mn->gmn_mech_oid = mc->gmc_mech_oid;
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mn->gmn_name = mc_name;
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SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
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} else {
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mc->gmc_mech->gm_release_name(minor_status,
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&mc_name);
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}
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if (mc_lifetime < min_lifetime)
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min_lifetime = mc_lifetime;
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if (mechanisms)
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gss_add_oid_set_member(minor_status,
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mc->gmc_mech_oid, mechanisms);
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}
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} else {
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SLIST_FOREACH(m, &_gss_mechs, gm_link) {
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gss_name_t mc_name;
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OM_uint32 mc_lifetime;
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major_status = m->gm_inquire_cred(minor_status,
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GSS_C_NO_CREDENTIAL, &mc_name, &mc_lifetime,
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cred_usage, NULL);
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if (major_status)
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continue;
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if (name && mc_name) {
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mn = malloc(
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sizeof(struct _gss_mechanism_name));
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if (!mn) {
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mc->gmc_mech->gm_release_name(
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minor_status, &mc_name);
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continue;
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}
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mn->gmn_mech = mc->gmc_mech;
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mn->gmn_mech_oid = mc->gmc_mech_oid;
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mn->gmn_name = mc_name;
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SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
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} else if (mc_name) {
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mc->gmc_mech->gm_release_name(minor_status,
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&mc_name);
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}
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if (mc_lifetime < min_lifetime)
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min_lifetime = mc_lifetime;
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if (mechanisms)
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gss_add_oid_set_member(minor_status,
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&m->gm_mech_oid, mechanisms);
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}
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if ((*mechanisms)->count == 0) {
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gss_release_oid_set(minor_status, mechanisms);
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*minor_status = 0;
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return (GSS_S_NO_CRED);
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}
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}
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*minor_status = 0;
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if (name_ret)
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*name_ret = (gss_name_t) name;
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if (lifetime)
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*lifetime = min_lifetime;
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if (cred && cred_usage)
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*cred_usage = cred->gc_usage;
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return (GSS_S_COMPLETE);
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}
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