735039dbdc
Implementation of gss_set_neg_mechs() and gss_get_neg_mechs() as defined in RFC 4178. New gss_release_cred_by_mech() API for dropping a credential from a mechanism glue credential.
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*
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* Copyright (c) 2018, PADL Software Pty Ltd.
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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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*
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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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*
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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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* 3. Neither the name of PADL Software nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE 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 PADL SOFTWARE 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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#include "mech_locl.h"
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gss_set_neg_mechs (OM_uint32 *minor_status,
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gss_cred_id_t cred_handle,
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const gss_OID_set mechs)
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{
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struct _gss_cred *cred = (struct _gss_cred *)cred_handle;
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OM_uint32 major;
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int found = 0;
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if (minor_status == NULL)
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return GSS_S_CALL_INACCESSIBLE_WRITE;
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*minor_status = 0;
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if (mechs == GSS_C_NO_OID_SET)
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return GSS_S_CALL_INACCESSIBLE_READ;
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_gss_load_mech();
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major = GSS_S_UNAVAILABLE;
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if (cred == NULL) {
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struct _gss_mech_switch *m;
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HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) {
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if (m->gm_mech.gm_set_neg_mechs == NULL)
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continue;
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major = m->gm_mech.gm_set_neg_mechs(minor_status,
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GSS_C_NO_CREDENTIAL, mechs);
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if (major == GSS_S_COMPLETE)
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found++;
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else
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_gss_mg_error(&m->gm_mech, *minor_status);
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}
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} else {
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struct _gss_mechanism_cred *mc;
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HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
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gssapi_mech_interface m;
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m = mc->gmc_mech;
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if (m == NULL)
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return GSS_S_BAD_MECH;
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if (m->gm_set_neg_mechs == NULL)
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continue;
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major = m->gm_set_neg_mechs(minor_status, mc->gmc_cred, mechs);
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if (major == GSS_S_COMPLETE)
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found++;
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else
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_gss_mg_error(m, *minor_status);
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}
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}
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if (found) {
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*minor_status = 0;
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return GSS_S_COMPLETE;
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}
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return major;
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}
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