1/*
2 * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24/*
25 * attachCommon.cpp - attach/detach to/from arbitrary module
26 */
27
28#include "attachCommon.h"
29#include <Security/Security.h>
30
31/* SPI; the framework actually contains a static lib we link against */
32#include <security_cdsa_utils/cuCdsaUtils.h>
33
34static CSSM_VERSION vers = {2, 0};
35static const CSSM_GUID dummyGuid = { 0xFADE, 0, 0, { 1,2,3,4,5,6,7,0 }};
36
37static CSSM_API_MEMORY_FUNCS memFuncs = {
38	cuAppMalloc,
39	cuAppFree,
40	cuAppRealloc,
41 	cuAppCalloc,
42 	NULL
43};
44
45/* load & attach; returns 0 on error */
46CSSM_HANDLE attachCommon(
47	const CSSM_GUID *guid,
48	uint32 subserviceFlags)		// CSSM_SERVICE_TP, etc.
49{
50	CSSM_HANDLE hand;
51	CSSM_RETURN crtn;
52
53	if(cuCssmStartup() == CSSM_FALSE) {
54		return 0;
55	}
56	crtn = CSSM_ModuleLoad(guid,
57		CSSM_KEY_HIERARCHY_NONE,
58		NULL,			// eventHandler
59		NULL);			// AppNotifyCallbackCtx
60	if(crtn) {
61		cssmPerror("CSSM_ModuleLoad()", crtn);
62		return 0;
63	}
64	crtn = CSSM_ModuleAttach (guid,
65		&vers,
66		&memFuncs,				// memFuncs
67		0,						// SubserviceID
68		subserviceFlags,		// SubserviceFlags
69		0,						// AttachFlags
70		CSSM_KEY_HIERARCHY_NONE,
71		NULL,					// FunctionTable
72		0,						// NumFuncTable
73		NULL,					// reserved
74		&hand);
75	if(crtn) {
76		cssmPerror("CSSM_ModuleAttach()", crtn);
77		return 0;
78	}
79	else {
80		return hand;
81	}
82}
83
84/* detach & unload */
85void detachCommon(
86	const CSSM_GUID *guid,
87	CSSM_HANDLE hand)
88{
89	CSSM_RETURN crtn = CSSM_ModuleDetach(hand);
90	if(crtn) {
91		return;
92	}
93	CSSM_ModuleUnload(guid, NULL, NULL);
94}
95
96
97