Files
heimdal/lib/gssapi/mech/cred.c
Luke Howard 735039dbdc gssapi: implement gss_set_neg_mechs() (#495)
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.
2019-01-04 15:50:11 +11:00

102 lines
3.0 KiB
C

/*
* Copyright (c) 2011 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Portions Copyright (c) 2011 Apple Inc. 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 KTH 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 KTH AND ITS 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 KTH OR ITS 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.
*/
#include "mech_locl.h"
#include "heim_threads.h"
#include "heimbase.h"
static OM_uint32
release_mech_cred(OM_uint32 *minor, struct _gss_mechanism_cred *mc)
{
OM_uint32 major;
major = mc->gmc_mech->gm_release_cred(minor, &mc->gmc_cred);
free(mc);
return major;
}
void
_gss_mg_release_cred(struct _gss_cred *cred)
{
struct _gss_mechanism_cred *mc;
OM_uint32 junk;
while (HEIM_SLIST_FIRST(&cred->gc_mc)) {
mc = HEIM_SLIST_FIRST(&cred->gc_mc);
HEIM_SLIST_REMOVE_HEAD(&cred->gc_mc, gmc_link);
release_mech_cred(&junk, mc);
}
free(cred);
}
struct _gss_cred *
_gss_mg_alloc_cred(void)
{
struct _gss_cred *cred;
cred = calloc(1, sizeof(struct _gss_cred));
if (cred == NULL)
return NULL;
HEIM_SLIST_INIT(&cred->gc_mc);
return cred;
}
GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_release_cred_by_mech(OM_uint32 *minor_status,
gss_cred_id_t cred_handle,
gss_const_OID mech_oid)
{
struct _gss_cred *cred = (struct _gss_cred *)cred_handle;
struct _gss_mechanism_cred *mc;
OM_uint32 major_status;
HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
if (gss_oid_equal(mech_oid, mc->gmc_mech_oid))
break;
}
if (mc) {
HEIM_SLIST_REMOVE(&cred->gc_mc, mc, _gss_mechanism_cred, gmc_link);
major_status = release_mech_cred(minor_status, mc);
} else {
*minor_status = 0;
major_status = GSS_S_NO_CRED;
}
return major_status;
}