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.
		
			
				
	
	
		
			102 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			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;
 | 
						|
}
 |