ReactOS 0.4.15-dev-7677-g8209aa5
context.c
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1/*
2 * Copyright 2006 Juan Lang
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18#include <assert.h>
19#include <stdarg.h>
20#include "windef.h"
21#include "winbase.h"
22#include "wincrypt.h"
23#include "wine/debug.h"
24#include "crypt32_private.h"
25
27
29{
31
32 context = CryptMemAlloc(sizeof(context_t) + contextSize);
33 if (!context)
34 return NULL;
35
36 context->properties = ContextPropertyList_Create();
37 if (!context->properties)
38 {
40 return NULL;
41 }
42
43 context->vtbl = vtbl;
44 context->ref = 1;
45 context->linked = NULL;
46
47 store->vtbl->addref(store);
48 context->store = store;
49
50 TRACE("returning %p\n", context);
51 return context;
52}
53
54context_t *Context_CreateLinkContext(unsigned int contextSize, context_t *linked, WINECRYPT_CERTSTORE *store)
55{
57
58 TRACE("(%d, %p)\n", contextSize, linked);
59
60 context = CryptMemAlloc(sizeof(context_t) + contextSize);
61 if (!context)
62 return NULL;
63
64 memcpy(context_ptr(context), context_ptr(linked), contextSize);
65 context->vtbl = linked->vtbl;
66 context->ref = 1;
67 context->linked = linked;
68 context->properties = linked->properties;
69 Context_AddRef(linked);
70
71 store->vtbl->addref(store);
72 context->store = store;
73
74 TRACE("returning %p\n", context);
75 return context;
76}
77
79{
81
82 TRACE("(%p) ref=%d\n", context, context->ref);
83
84 if(ref == 1) {
85 /* This is the first external (non-store) reference. Increase store ref cnt. */
86 context->store->vtbl->addref(context->store);
87 }
88}
89
91{
92 TRACE("(%p)\n", context);
93
94 assert(!context->ref);
95
96 if (!context->linked) {
98 context->vtbl->free(context);
99 }else {
100 Context_Release(context->linked);
101 }
102
104}
105
107{
109
110 TRACE("(%p) ref=%d\n", context, ref);
111 assert(ref >= 0);
112
113 if (!ref) {
114 WINECRYPT_CERTSTORE *store = context->store;
115
116 /* This is the last reference, but the context still may be in a store.
117 * We release our store reference, but leave it up to store to free or keep the context. */
118 store->vtbl->releaseContext(store, context);
119 store->vtbl->release(store, 0);
120 }
121}
122
123void Context_CopyProperties(const void *to, const void *from)
124{
125 CONTEXT_PROPERTY_LIST *toProperties, *fromProperties;
126
127 toProperties = context_from_ptr(to)->properties;
128 fromProperties = context_from_ptr(from)->properties;
129 assert(toProperties && fromProperties);
130 ContextPropertyList_Copy(toProperties, fromProperties);
131}
#define InterlockedIncrement
Definition: armddk.h:53
#define InterlockedDecrement
Definition: armddk.h:52
#define WINE_DEFAULT_DEBUG_CHANNEL(t)
Definition: precomp.h:23
static void * context_ptr(context_t *context)
void ContextPropertyList_Free(CONTEXT_PROPERTY_LIST *list) DECLSPEC_HIDDEN
Definition: proplist.c:56
static context_t * context_from_ptr(const void *ptr)
void ContextPropertyList_Copy(CONTEXT_PROPERTY_LIST *to, CONTEXT_PROPERTY_LIST *from) DECLSPEC_HIDDEN
Definition: proplist.c:207
CONTEXT_PROPERTY_LIST * ContextPropertyList_Create(void) DECLSPEC_HIDDEN
Definition: proplist.c:43
#define NULL
Definition: types.h:112
void Context_AddRef(context_t *context)
Definition: context.c:78
void Context_Release(context_t *context)
Definition: context.c:106
void Context_Free(context_t *context)
Definition: context.c:90
context_t * Context_CreateLinkContext(unsigned int contextSize, context_t *linked, WINECRYPT_CERTSTORE *store)
Definition: context.c:54
context_t * Context_CreateDataContext(size_t contextSize, const context_vtbl_t *vtbl, WINECRYPT_CERTSTORE *store)
Definition: context.c:28
void Context_CopyProperties(const void *to, const void *from)
Definition: context.c:123
LPVOID WINAPI CryptMemAlloc(ULONG cbSize)
Definition: main.c:131
VOID WINAPI CryptMemFree(LPVOID pv)
Definition: main.c:141
#define assert(x)
Definition: debug.h:53
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
long LONG
Definition: pedump.c:60
#define TRACE(s)
Definition: solgame.cpp:4
CardRegion * from
Definition: spigame.cpp:19
const store_vtbl_t * vtbl
const context_vtbl_t * vtbl
CONTEXT_PROPERTY_LIST * properties
Definition: http.c:7252
Definition: send.c:48
DWORD(* release)(struct WINE_CRYPTCERTSTORE *, DWORD)
void(* addref)(struct WINE_CRYPTCERTSTORE *)
void(* releaseContext)(struct WINE_CRYPTCERTSTORE *, context_t *)