Sweden-Number/dlls/crypt32/collectionstore.c

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/*
* Copyright 2004-2007 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 <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wincrypt.h"
#include "wine/debug.h"
#include "crypt32_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(crypt);
typedef struct _WINE_STORE_LIST_ENTRY
{
WINECRYPT_CERTSTORE *store;
DWORD dwUpdateFlags;
DWORD dwPriority;
struct list entry;
} WINE_STORE_LIST_ENTRY;
typedef struct _WINE_COLLECTIONSTORE
{
WINECRYPT_CERTSTORE hdr;
CRITICAL_SECTION cs;
struct list stores;
} WINE_COLLECTIONSTORE;
static void Collection_addref(WINECRYPT_CERTSTORE *store)
{
LONG ref = InterlockedIncrement(&store->ref);
TRACE("ref = %d\n", ref);
}
static DWORD Collection_release(WINECRYPT_CERTSTORE *store, DWORD flags)
{
WINE_COLLECTIONSTORE *cs = (WINE_COLLECTIONSTORE*)store;
WINE_STORE_LIST_ENTRY *entry, *next;
LONG ref;
if(flags)
FIXME("Unimplemented flags %x\n", flags);
ref = InterlockedDecrement(&cs->hdr.ref);
TRACE("(%p) ref=%d\n", store, ref);
if(ref)
return ERROR_SUCCESS;
LIST_FOR_EACH_ENTRY_SAFE(entry, next, &cs->stores, WINE_STORE_LIST_ENTRY, entry)
{
TRACE("closing %p\n", entry);
entry->store->vtbl->release(entry->store, flags);
CryptMemFree(entry);
}
cs->cs.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&cs->cs);
CRYPT_FreeStore(store);
return ERROR_SUCCESS;
}
static void Collection_releaseContext(WINECRYPT_CERTSTORE *store, context_t *context)
{
/* We don't cache context links, so just free them. */
Context_Free(context);
}
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static context_t *CRYPT_CollectionCreateContextFromChild(WINE_COLLECTIONSTORE *store,
WINE_STORE_LIST_ENTRY *storeEntry, context_t *child)
{
context_t *ret;
ret = child->vtbl->clone(child, &store->hdr, TRUE);
if (!ret)
return NULL;
ret->u.ptr = storeEntry;
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return ret;
}
static BOOL CRYPT_CollectionAddContext(WINE_COLLECTIONSTORE *store,
unsigned int contextFuncsOffset, context_t *context, context_t *toReplace,
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context_t **pChildContext)
{
BOOL ret;
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context_t *childContext = NULL;
WINE_STORE_LIST_ENTRY *storeEntry = NULL;
TRACE("(%p, %d, %p, %p)\n", store, contextFuncsOffset, context, toReplace);
ret = FALSE;
if (toReplace)
{
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context_t *existingLinked = toReplace->linked;
CONTEXT_FUNCS *contextFuncs;
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storeEntry = toReplace->u.ptr;
contextFuncs = (CONTEXT_FUNCS*)((LPBYTE)storeEntry->store->vtbl +
contextFuncsOffset);
ret = contextFuncs->addContext(storeEntry->store, context,
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existingLinked, &childContext, TRUE);
}
else
{
WINE_STORE_LIST_ENTRY *entry, *next;
EnterCriticalSection(&store->cs);
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LIST_FOR_EACH_ENTRY_SAFE(entry, next, &store->stores, WINE_STORE_LIST_ENTRY, entry)
{
if (entry->dwUpdateFlags & CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG)
{
CONTEXT_FUNCS *contextFuncs = (CONTEXT_FUNCS*)(
(LPBYTE)entry->store->vtbl + contextFuncsOffset);
storeEntry = entry;
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ret = contextFuncs->addContext(entry->store, context, NULL, &childContext, TRUE);
break;
}
}
LeaveCriticalSection(&store->cs);
if (!storeEntry)
SetLastError(E_ACCESSDENIED);
}
*pChildContext = childContext;
return ret;
}
/* Advances a collection enumeration by one context, if possible, where
* advancing means:
* - calling the current store's enumeration function once, and returning
* the enumerated context if one is returned
* - moving to the next store if the current store has no more items, and
* recursively calling itself to get the next item.
* Returns NULL if the collection contains no more items or on error.
* Assumes the collection store's lock is held.
*/
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static context_t *CRYPT_CollectionAdvanceEnum(WINE_COLLECTIONSTORE *store,
WINE_STORE_LIST_ENTRY *storeEntry, const CONTEXT_FUNCS *contextFuncs,
context_t *prev)
{
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context_t *child, *ret;
struct list *storeNext = list_next(&store->stores, &storeEntry->entry);
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TRACE("(%p, %p, %p)\n", store, storeEntry, prev);
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if (prev)
{
/* Ref-counting funny business: "duplicate" (addref) the child, because
* the free(pPrev) below can cause the ref count to become negative.
*/
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child = prev->linked;
Context_AddRef(child);
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child = contextFuncs->enumContext(storeEntry->store, child);
Context_Release(prev);
prev = NULL;
}
else
{
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child = contextFuncs->enumContext(storeEntry->store, NULL);
}
if (child) {
ret = CRYPT_CollectionCreateContextFromChild(store, storeEntry, child);
Context_Release(child);
}
else
{
if (storeNext)
{
/* We always want the same function pointers (from certs, crls)
* in the next store, so use the same offset into the next store.
*/
size_t offset = (const BYTE *)contextFuncs - (LPBYTE)storeEntry->store->vtbl;
WINE_STORE_LIST_ENTRY *storeNextEntry =
LIST_ENTRY(storeNext, WINE_STORE_LIST_ENTRY, entry);
CONTEXT_FUNCS *storeNextContexts =
(CONTEXT_FUNCS*)((LPBYTE)storeNextEntry->store->vtbl + offset);
ret = CRYPT_CollectionAdvanceEnum(store, storeNextEntry,
storeNextContexts, NULL);
}
else
{
SetLastError(CRYPT_E_NOT_FOUND);
ret = NULL;
}
}
TRACE("returning %p\n", ret);
return ret;
}
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static BOOL Collection_addCert(WINECRYPT_CERTSTORE *store, context_t *cert,
context_t *toReplace, context_t **ppStoreContext, BOOL use_link)
{
BOOL ret;
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context_t *childContext = NULL;
WINE_COLLECTIONSTORE *cs = (WINE_COLLECTIONSTORE*)store;
ret = CRYPT_CollectionAddContext(cs, offsetof(store_vtbl_t, certs),
cert, toReplace, &childContext);
if (ppStoreContext && childContext)
{
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WINE_STORE_LIST_ENTRY *storeEntry = childContext->u.ptr;
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cert_t *context = (cert_t*)CRYPT_CollectionCreateContextFromChild(cs, storeEntry,
childContext);
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*ppStoreContext = &context->base;
}
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if (childContext)
Context_Release(childContext);
return ret;
}
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static context_t *Collection_enumCert(WINECRYPT_CERTSTORE *store, context_t *prev)
{
WINE_COLLECTIONSTORE *cs = (WINE_COLLECTIONSTORE*)store;
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context_t *ret;
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TRACE("(%p, %p)\n", store, prev);
EnterCriticalSection(&cs->cs);
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if (prev)
{
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WINE_STORE_LIST_ENTRY *storeEntry = prev->u.ptr;
ret = CRYPT_CollectionAdvanceEnum(cs, storeEntry,
&storeEntry->store->vtbl->certs, prev);
}
else
{
if (!list_empty(&cs->stores))
{
WINE_STORE_LIST_ENTRY *storeEntry = LIST_ENTRY(cs->stores.next,
WINE_STORE_LIST_ENTRY, entry);
ret = CRYPT_CollectionAdvanceEnum(cs, storeEntry,
&storeEntry->store->vtbl->certs, NULL);
}
else
{
SetLastError(CRYPT_E_NOT_FOUND);
ret = NULL;
}
}
LeaveCriticalSection(&cs->cs);
TRACE("returning %p\n", ret);
return ret;
}
static BOOL Collection_deleteCert(WINECRYPT_CERTSTORE *store, context_t *context)
{
cert_t *cert = (cert_t*)context;
cert_t *linked;
TRACE("(%p, %p)\n", store, cert);
linked = (cert_t*)context->linked;
return CertDeleteCertificateFromStore(&linked->ctx);
}
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static BOOL Collection_addCRL(WINECRYPT_CERTSTORE *store, context_t *crl,
context_t *toReplace, context_t **ppStoreContext, BOOL use_link)
{
BOOL ret;
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context_t *childContext = NULL;
WINE_COLLECTIONSTORE *cs = (WINE_COLLECTIONSTORE*)store;
ret = CRYPT_CollectionAddContext(cs, offsetof(store_vtbl_t, crls),
crl, toReplace, &childContext);
if (ppStoreContext && childContext)
{
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WINE_STORE_LIST_ENTRY *storeEntry = childContext->u.ptr;
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crl_t *context = (crl_t*)CRYPT_CollectionCreateContextFromChild(cs, storeEntry,
childContext);
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*ppStoreContext = &context->base;
}
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if (childContext)
Context_Release(childContext);
return ret;
}
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static context_t *Collection_enumCRL(WINECRYPT_CERTSTORE *store, context_t *prev)
{
WINE_COLLECTIONSTORE *cs = (WINE_COLLECTIONSTORE*)store;
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context_t *ret;
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TRACE("(%p, %p)\n", store, prev);
EnterCriticalSection(&cs->cs);
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if (prev)
{
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WINE_STORE_LIST_ENTRY *storeEntry = prev->u.ptr;
ret = CRYPT_CollectionAdvanceEnum(cs, storeEntry,
&storeEntry->store->vtbl->crls, prev);
}
else
{
if (!list_empty(&cs->stores))
{
WINE_STORE_LIST_ENTRY *storeEntry = LIST_ENTRY(cs->stores.next,
WINE_STORE_LIST_ENTRY, entry);
ret = CRYPT_CollectionAdvanceEnum(cs, storeEntry,
&storeEntry->store->vtbl->crls, NULL);
}
else
{
SetLastError(CRYPT_E_NOT_FOUND);
ret = NULL;
}
}
LeaveCriticalSection(&cs->cs);
TRACE("returning %p\n", ret);
return ret;
}
static BOOL Collection_deleteCRL(WINECRYPT_CERTSTORE *store, context_t *context)
{
crl_t *crl = (crl_t*)context, *linked;
TRACE("(%p, %p)\n", store, crl);
linked = (crl_t*)context->linked;
return CertDeleteCRLFromStore(&linked->ctx);
}
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static BOOL Collection_addCTL(WINECRYPT_CERTSTORE *store, context_t *ctl,
context_t *toReplace, context_t **ppStoreContext, BOOL use_link)
{
BOOL ret;
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context_t *childContext = NULL;
WINE_COLLECTIONSTORE *cs = (WINE_COLLECTIONSTORE*)store;
ret = CRYPT_CollectionAddContext(cs, offsetof(store_vtbl_t, ctls),
ctl, toReplace, &childContext);
if (ppStoreContext && childContext)
{
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WINE_STORE_LIST_ENTRY *storeEntry = childContext->u.ptr;
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ctl_t *context = (ctl_t*)CRYPT_CollectionCreateContextFromChild(cs, storeEntry,
childContext);
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*ppStoreContext = &context->base;
}
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if (childContext)
Context_Release(childContext);
return ret;
}
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static context_t *Collection_enumCTL(WINECRYPT_CERTSTORE *store, context_t *prev)
{
WINE_COLLECTIONSTORE *cs = (WINE_COLLECTIONSTORE*)store;
void *ret;
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TRACE("(%p, %p)\n", store, prev);
EnterCriticalSection(&cs->cs);
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if (prev)
{
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WINE_STORE_LIST_ENTRY *storeEntry = prev->u.ptr;
ret = CRYPT_CollectionAdvanceEnum(cs, storeEntry,
&storeEntry->store->vtbl->ctls, prev);
}
else
{
if (!list_empty(&cs->stores))
{
WINE_STORE_LIST_ENTRY *storeEntry = LIST_ENTRY(cs->stores.next,
WINE_STORE_LIST_ENTRY, entry);
ret = CRYPT_CollectionAdvanceEnum(cs, storeEntry,
&storeEntry->store->vtbl->ctls, NULL);
}
else
{
SetLastError(CRYPT_E_NOT_FOUND);
ret = NULL;
}
}
LeaveCriticalSection(&cs->cs);
TRACE("returning %p\n", ret);
return ret;
}
static BOOL Collection_deleteCTL(WINECRYPT_CERTSTORE *store, context_t *context)
{
ctl_t *ctl = (ctl_t*)context, *linked;
TRACE("(%p, %p)\n", store, ctl);
linked = (ctl_t*)context->linked;
return CertDeleteCTLFromStore(&linked->ctx);
}
static BOOL Collection_control(WINECRYPT_CERTSTORE *cert_store, DWORD dwFlags,
DWORD dwCtrlType, void const *pvCtrlPara)
{
BOOL ret;
WINE_COLLECTIONSTORE *store = (WINE_COLLECTIONSTORE*)cert_store;
WINE_STORE_LIST_ENTRY *entry;
TRACE("(%p, %08x, %d, %p)\n", cert_store, dwFlags, dwCtrlType, pvCtrlPara);
if (!store)
return TRUE;
if (store->hdr.dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
{
SetLastError(E_INVALIDARG);
return FALSE;
}
if (store->hdr.type != StoreTypeCollection)
{
SetLastError(E_INVALIDARG);
return FALSE;
}
ret = TRUE;
EnterCriticalSection(&store->cs);
LIST_FOR_EACH_ENTRY(entry, &store->stores, WINE_STORE_LIST_ENTRY, entry)
{
if (entry->store->vtbl->control)
{
ret = entry->store->vtbl->control(entry->store, dwFlags, dwCtrlType, pvCtrlPara);
if (!ret)
break;
}
}
LeaveCriticalSection(&store->cs);
return ret;
}
static const store_vtbl_t CollectionStoreVtbl = {
Collection_addref,
Collection_release,
Collection_releaseContext,
Collection_control,
{
Collection_addCert,
Collection_enumCert,
Collection_deleteCert
}, {
Collection_addCRL,
Collection_enumCRL,
Collection_deleteCRL
}, {
Collection_addCTL,
Collection_enumCTL,
Collection_deleteCTL
}
};
WINECRYPT_CERTSTORE *CRYPT_CollectionOpenStore(HCRYPTPROV hCryptProv,
DWORD dwFlags, const void *pvPara)
{
WINE_COLLECTIONSTORE *store;
if (dwFlags & CERT_STORE_DELETE_FLAG)
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
store = NULL;
}
else
{
store = CryptMemAlloc(sizeof(WINE_COLLECTIONSTORE));
if (store)
{
memset(store, 0, sizeof(WINE_COLLECTIONSTORE));
CRYPT_InitStore(&store->hdr, dwFlags, StoreTypeCollection, &CollectionStoreVtbl);
InitializeCriticalSection(&store->cs);
store->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PWINE_COLLECTIONSTORE->cs");
list_init(&store->stores);
}
}
return (WINECRYPT_CERTSTORE*)store;
}
BOOL WINAPI CertAddStoreToCollection(HCERTSTORE hCollectionStore,
HCERTSTORE hSiblingStore, DWORD dwUpdateFlags, DWORD dwPriority)
{
WINE_COLLECTIONSTORE *collection = hCollectionStore;
WINECRYPT_CERTSTORE *sibling = hSiblingStore;
WINE_STORE_LIST_ENTRY *entry;
BOOL ret;
TRACE("(%p, %p, %08x, %d)\n", hCollectionStore, hSiblingStore,
dwUpdateFlags, dwPriority);
if (!collection || !sibling)
return TRUE;
if (collection->hdr.dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
{
SetLastError(E_INVALIDARG);
return FALSE;
}
if (collection->hdr.type != StoreTypeCollection)
{
SetLastError(E_INVALIDARG);
return FALSE;
}
if (sibling->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
{
SetLastError(E_INVALIDARG);
return FALSE;
}
entry = CryptMemAlloc(sizeof(WINE_STORE_LIST_ENTRY));
if (entry)
{
InterlockedIncrement(&sibling->ref);
TRACE("sibling %p's ref count is %d\n", sibling, sibling->ref);
entry->store = sibling;
entry->dwUpdateFlags = dwUpdateFlags;
entry->dwPriority = dwPriority;
TRACE("%p: adding %p, priority %d\n", collection, entry, dwPriority);
EnterCriticalSection(&collection->cs);
if (dwPriority)
{
WINE_STORE_LIST_ENTRY *cursor;
BOOL added = FALSE;
LIST_FOR_EACH_ENTRY(cursor, &collection->stores,
WINE_STORE_LIST_ENTRY, entry)
{
if (cursor->dwPriority < dwPriority)
{
list_add_before(&cursor->entry, &entry->entry);
added = TRUE;
break;
}
}
if (!added)
list_add_tail(&collection->stores, &entry->entry);
}
else
list_add_tail(&collection->stores, &entry->entry);
LeaveCriticalSection(&collection->cs);
ret = TRUE;
}
else
ret = FALSE;
return ret;
}
void WINAPI CertRemoveStoreFromCollection(HCERTSTORE hCollectionStore,
HCERTSTORE hSiblingStore)
{
WINE_COLLECTIONSTORE *collection = hCollectionStore;
WINECRYPT_CERTSTORE *sibling = hSiblingStore;
WINE_STORE_LIST_ENTRY *store, *next;
TRACE("(%p, %p)\n", hCollectionStore, hSiblingStore);
if (!collection || !sibling)
return;
if (collection->hdr.dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
{
SetLastError(E_INVALIDARG);
return;
}
if (collection->hdr.type != StoreTypeCollection)
return;
if (sibling->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
{
SetLastError(E_INVALIDARG);
return;
}
EnterCriticalSection(&collection->cs);
LIST_FOR_EACH_ENTRY_SAFE(store, next, &collection->stores,
WINE_STORE_LIST_ENTRY, entry)
{
if (store->store == sibling)
{
list_remove(&store->entry);
CertCloseStore(store->store, 0);
CryptMemFree(store);
break;
}
}
LeaveCriticalSection(&collection->cs);
}