| /* |
| * Copyright 2006 Juan Lang |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| #include <assert.h> |
| #include <stdarg.h> |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wincrypt.h" |
| #include "wine/debug.h" |
| #include "crypt32_private.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(context); |
| |
| context_t *Context_CreateDataContext(size_t contextSize, const context_vtbl_t *vtbl, WINECRYPT_CERTSTORE *store) |
| { |
| context_t *context; |
| |
| context = CryptMemAlloc(sizeof(context_t) + contextSize); |
| if (!context) |
| return NULL; |
| |
| context->properties = ContextPropertyList_Create(); |
| if (!context->properties) |
| { |
| CryptMemFree(context); |
| return NULL; |
| } |
| |
| context->vtbl = vtbl; |
| context->ref = 1; |
| context->linked = NULL; |
| |
| store->vtbl->addref(store); |
| context->store = store; |
| |
| TRACE("returning %p\n", context); |
| return context; |
| } |
| |
| context_t *Context_CreateLinkContext(unsigned int contextSize, context_t *linked, WINECRYPT_CERTSTORE *store) |
| { |
| context_t *context; |
| |
| TRACE("(%d, %p)\n", contextSize, linked); |
| |
| context = CryptMemAlloc(sizeof(context_t) + contextSize); |
| if (!context) |
| return NULL; |
| |
| memcpy(context_ptr(context), context_ptr(linked), contextSize); |
| context->vtbl = linked->vtbl; |
| context->ref = 1; |
| context->linked = linked; |
| context->properties = linked->properties; |
| Context_AddRef(linked); |
| |
| store->vtbl->addref(store); |
| context->store = store; |
| |
| TRACE("returning %p\n", context); |
| return context; |
| } |
| |
| void Context_AddRef(context_t *context) |
| { |
| LONG ref = InterlockedIncrement(&context->ref); |
| |
| TRACE("(%p) ref=%d\n", context, context->ref); |
| |
| if(ref == 1) { |
| /* This is the first external (non-store) reference. Increase store ref cnt. */ |
| context->store->vtbl->addref(context->store); |
| } |
| } |
| |
| void Context_Free(context_t *context) |
| { |
| TRACE("(%p)\n", context); |
| |
| assert(!context->ref); |
| |
| if (!context->linked) { |
| ContextPropertyList_Free(context->properties); |
| context->vtbl->free(context); |
| }else { |
| Context_Release(context->linked); |
| } |
| |
| CryptMemFree(context); |
| } |
| |
| void Context_Release(context_t *context) |
| { |
| LONG ref = InterlockedDecrement(&context->ref); |
| |
| TRACE("(%p) ref=%d\n", context, ref); |
| assert(ref >= 0); |
| |
| if (!ref) { |
| WINECRYPT_CERTSTORE *store = context->store; |
| |
| /* This is the last reference, but the context still may be in a store. |
| * We release our store reference, but leave it up to store to free or keep the context. */ |
| store->vtbl->releaseContext(store, context); |
| store->vtbl->release(store, 0); |
| } |
| } |
| |
| void Context_CopyProperties(const void *to, const void *from) |
| { |
| CONTEXT_PROPERTY_LIST *toProperties, *fromProperties; |
| |
| toProperties = context_from_ptr(to)->properties; |
| fromProperties = context_from_ptr(from)->properties; |
| assert(toProperties && fromProperties); |
| ContextPropertyList_Copy(toProperties, fromProperties); |
| } |