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gssapi: import mechglue allocation utility functions from Heimdal-520

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Apple's Heimdal impelmentation uses a number of utility functions for
allocating names and credentials, to avoid calling malloc or calloc directly.
Import them.
This commit is contained in:
Luke Howard
2019-01-03 10:17:26 +11:00
committed by Nico Williams
parent e0bb9c10ca
commit 83f15553e0
22 changed files with 163 additions and 86 deletions
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67
lib/gssapi/mech/cred.c Normal file
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/*
* 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"
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);
mc->gmc_mech->gm_release_cred(&junk, &mc->gmc_cred);
free(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;
}