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Reactos
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132/* * 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);}