+++ /dev/null
-/*
- * Copyright (c) 2000-2001,2005-2007,2010-2012 Apple Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-/*
- * ModuleAttacher.c
- *
- * Process-wide class which loads and attaches to {CSP, TP, CL} at most
- * once, and detaches and unloads the modules when this code is unloaded.
- */
-
-#include "ssl.h"
-#if USE_CDSA_CRYPTO
-
-#include "ModuleAttacher.h"
-#include "sslDebug.h"
-#include "appleCdsa.h"
-#include <Security/cssmapple.h>
-#include <Security/cssmtype.h>
-#include <Security/cssmapi.h>
-
-#include <pthread.h>
-
-static pthread_mutex_t gAttachLock = PTHREAD_MUTEX_INITIALIZER;
-static CSSM_CSP_HANDLE gCSPHandle = CSSM_INVALID_HANDLE;
-static CSSM_CL_HANDLE gCLHandle = CSSM_INVALID_HANDLE;
-static CSSM_TP_HANDLE gTPHandle = CSSM_INVALID_HANDLE;
-
-static const CSSM_API_MEMORY_FUNCS CA_memFuncs = {
- stAppMalloc,
- stAppFree,
- stAppRealloc,
- stAppCalloc,
- NULL
-};
-static const CSSM_VERSION cssmVers = {2, 0};
-static const CSSM_GUID testGuid = { 0xFADE, 0, 0, { 1,2,3,4,5,6,7,0 }};
-
-static CSSM_HANDLE loadModule(
- CSSM_SERVICE_TYPE svcType, // CSSM_SERVICE_CSP, etc.
- const CSSM_GUID *guid,
- const char *modName)
-{
- CSSM_RETURN crtn;
- CSSM_HANDLE hand;
-
- crtn = CSSM_ModuleLoad(guid,
- CSSM_KEY_HIERARCHY_NONE,
- NULL, // eventHandler
- NULL); // AppNotifyCallbackCtx
- if(crtn) {
- #ifndef NDEBUG
- sslErrorLog("loadModule: error (%lu) loading %s\n",
- (unsigned long)crtn, modName);
- #endif
- return CSSM_INVALID_HANDLE;
- }
- crtn = CSSM_ModuleAttach (guid,
- &cssmVers,
- &CA_memFuncs, // memFuncs
- 0, // SubserviceID
- svcType, // SubserviceFlags
- 0, // AttachFlags
- CSSM_KEY_HIERARCHY_NONE,
- NULL, // FunctionTable
- 0, // NumFuncTable
- NULL, // reserved
- &hand);
- if(crtn) {
- #ifndef NDEBUG
- sslErrorLog("loadModule: error (%lu) attaching to %s\n",
- (unsigned long)crtn, modName);
- #endif
- return CSSM_INVALID_HANDLE;
- }
- return hand;
-}
-
-
-static CSSM_RETURN doAttachToModules(void)
-{
- CSSM_RETURN crtn;
- CSSM_PVC_MODE pvcPolicy = CSSM_PVC_NONE;
- CSSM_HANDLE cspHandle, clHandle, tpHandle;
-
- /* Check if we got the lock after some other thread did the
- initialization. */
- if (gCSPHandle)
- return CSSM_OK;
-
- crtn = CSSM_Init (&cssmVers,
- CSSM_PRIVILEGE_SCOPE_NONE,
- &testGuid,
- CSSM_KEY_HIERARCHY_NONE,
- &pvcPolicy,
- NULL /* reserved */);
- if(crtn != CSSM_OK) {
- #ifndef NDEBUG
- sslErrorLog("CSSM_Init returned %lu", (unsigned long)crtn);
- #endif
- return crtn;
- }
-
- cspHandle = loadModule(CSSM_SERVICE_CSP, &gGuidAppleCSP, "AppleCSP");
- if (cspHandle == CSSM_INVALID_HANDLE)
- return CSSMERR_CSSM_ADDIN_LOAD_FAILED;
- clHandle = loadModule(CSSM_SERVICE_CL, &gGuidAppleX509CL, "AppleCL");
- if (clHandle == CSSM_INVALID_HANDLE)
- return CSSMERR_CSSM_ADDIN_LOAD_FAILED;
- tpHandle = loadModule(CSSM_SERVICE_TP, &gGuidAppleX509TP, "AppleTP");
- if (tpHandle == CSSM_INVALID_HANDLE)
- return CSSMERR_CSSM_ADDIN_LOAD_FAILED;
-
- gCSPHandle = cspHandle;
- gCLHandle = clHandle;
- gTPHandle = tpHandle;
-
- return CSSM_OK;
-}
-
-/* Public C function to load and attach to all three modules. */
-CSSM_RETURN attachToModules(
- CSSM_CSP_HANDLE *cspHand,
- CSSM_CL_HANDLE *clHand,
- CSSM_TP_HANDLE *tpHand)
-{
- CSSM_RETURN result;
- if (gCSPHandle && gCLHandle && gTPHandle)
- result = CSSM_OK;
- else
- {
- pthread_mutex_lock(&gAttachLock);
- result = doAttachToModules();
- pthread_mutex_unlock(&gAttachLock);
- }
-
- *cspHand = gCSPHandle;
- *clHand = gCLHandle;
- *tpHand = gTPHandle;
-
- return result;
-}
-
-#endif /* USE_CDSA_CRYPTO */
-