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545 lines
17 KiB
C
545 lines
17 KiB
C
/*
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* Copyright 2004-2007 Juan Lang
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <assert.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wincrypt.h"
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#include "winreg.h"
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#include "winuser.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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#include "crypt32_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(crypt);
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typedef struct _WINE_HASH_TO_DELETE
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{
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BYTE hash[20];
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struct list entry;
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} WINE_HASH_TO_DELETE, *PWINE_HASH_TO_DELETE;
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typedef struct _WINE_REGSTOREINFO
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{
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DWORD dwOpenFlags;
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HCERTSTORE memStore;
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HKEY key;
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BOOL dirty;
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CRITICAL_SECTION cs;
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struct list certsToDelete;
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struct list crlsToDelete;
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} WINE_REGSTOREINFO, *PWINE_REGSTOREINFO;
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static void CRYPT_HashToStr(const BYTE *hash, LPWSTR asciiHash)
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{
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static const WCHAR fmt[] = { '%','0','2','X',0 };
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DWORD i;
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assert(hash);
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assert(asciiHash);
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for (i = 0; i < 20; i++)
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wsprintfW(asciiHash + i * 2, fmt, hash[i]);
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}
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static const WCHAR CertsW[] = { 'C','e','r','t','i','f','i','c','a','t','e','s',
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0 };
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static const WCHAR CRLsW[] = { 'C','R','L','s',0 };
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static const WCHAR CTLsW[] = { 'C','T','L','s',0 };
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static const WCHAR BlobW[] = { 'B','l','o','b',0 };
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static void CRYPT_RegReadSerializedFromReg(const WINE_REGSTOREINFO *store, HKEY key,
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DWORD contextType)
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{
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LONG rc;
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DWORD index = 0;
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WCHAR subKeyName[MAX_PATH];
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do {
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DWORD size = sizeof(subKeyName) / sizeof(WCHAR);
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rc = RegEnumKeyExW(key, index++, subKeyName, &size, NULL, NULL, NULL,
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NULL);
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if (!rc)
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{
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HKEY subKey;
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rc = RegOpenKeyExW(key, subKeyName, 0, KEY_READ, &subKey);
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if (!rc)
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{
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LPBYTE buf = NULL;
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size = 0;
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rc = RegQueryValueExW(subKey, BlobW, NULL, NULL, NULL, &size);
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if (!rc)
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buf = CryptMemAlloc(size);
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if (buf)
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{
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rc = RegQueryValueExW(subKey, BlobW, NULL, NULL, buf,
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&size);
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if (!rc)
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{
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const void *context;
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DWORD addedType;
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TRACE("Adding cert with hash %s\n",
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debugstr_w(subKeyName));
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context = CRYPT_ReadSerializedElement(buf, size,
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contextType, &addedType);
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if (context)
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{
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const WINE_CONTEXT_INTERFACE *contextInterface;
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BYTE hash[20];
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switch (addedType)
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{
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case CERT_STORE_CERTIFICATE_CONTEXT:
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contextInterface = pCertInterface;
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break;
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case CERT_STORE_CRL_CONTEXT:
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contextInterface = pCRLInterface;
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break;
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case CERT_STORE_CTL_CONTEXT:
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contextInterface = pCTLInterface;
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break;
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default:
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contextInterface = NULL;
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}
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if (contextInterface)
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{
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size = sizeof(hash);
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if (contextInterface->getProp(context,
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CERT_HASH_PROP_ID, hash, &size))
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{
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WCHAR asciiHash[20 * 2 + 1];
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CRYPT_HashToStr(hash, asciiHash);
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TRACE("comparing %s\n",
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debugstr_w(asciiHash));
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TRACE("with %s\n", debugstr_w(subKeyName));
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if (!lstrcmpW(asciiHash, subKeyName))
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{
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TRACE("hash matches, adding\n");
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contextInterface->addContextToStore(
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store->memStore, context,
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CERT_STORE_ADD_REPLACE_EXISTING, NULL);
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}
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else
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TRACE("hash doesn't match, ignoring\n");
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}
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contextInterface->free(context);
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}
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}
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}
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CryptMemFree(buf);
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}
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RegCloseKey(subKey);
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}
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/* Ignore intermediate errors, continue enumerating */
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rc = ERROR_SUCCESS;
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}
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} while (!rc);
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}
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static void CRYPT_RegReadFromReg(const WINE_REGSTOREINFO *store)
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{
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static const WCHAR * const subKeys[] = { CertsW, CRLsW, CTLsW };
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static const DWORD contextFlags[] = { CERT_STORE_CERTIFICATE_CONTEXT_FLAG,
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CERT_STORE_CRL_CONTEXT_FLAG, CERT_STORE_CTL_CONTEXT_FLAG };
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DWORD i;
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for (i = 0; i < sizeof(subKeys) / sizeof(subKeys[0]); i++)
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{
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HKEY key;
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LONG rc;
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rc = RegCreateKeyExW(store->key, subKeys[i], 0, NULL, 0, KEY_READ, NULL,
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&key, NULL);
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if (!rc)
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{
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CRYPT_RegReadSerializedFromReg(store, key, contextFlags[i]);
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RegCloseKey(key);
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}
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}
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}
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/* Hash is assumed to be 20 bytes in length (a SHA-1 hash) */
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static BOOL CRYPT_WriteSerializedToReg(HKEY key, const BYTE *hash, const BYTE *buf,
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DWORD len)
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{
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WCHAR asciiHash[20 * 2 + 1];
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LONG rc;
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HKEY subKey;
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BOOL ret;
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CRYPT_HashToStr(hash, asciiHash);
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rc = RegCreateKeyExW(key, asciiHash, 0, NULL, 0, KEY_ALL_ACCESS, NULL,
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&subKey, NULL);
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if (!rc)
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{
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rc = RegSetValueExW(subKey, BlobW, 0, REG_BINARY, buf, len);
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RegCloseKey(subKey);
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}
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if (!rc)
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ret = TRUE;
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else
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{
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SetLastError(rc);
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ret = FALSE;
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}
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return ret;
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}
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static BOOL CRYPT_SerializeContextsToReg(HKEY key,
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const WINE_CONTEXT_INTERFACE *contextInterface, HCERTSTORE memStore)
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{
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const void *context = NULL;
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BOOL ret;
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do {
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context = contextInterface->enumContextsInStore(memStore, context);
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if (context)
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{
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BYTE hash[20];
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DWORD hashSize = sizeof(hash);
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ret = contextInterface->getProp(context, CERT_HASH_PROP_ID, hash,
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&hashSize);
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if (ret)
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{
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DWORD size = 0;
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LPBYTE buf = NULL;
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ret = contextInterface->serialize(context, 0, NULL, &size);
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if (size)
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buf = CryptMemAlloc(size);
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if (buf)
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{
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ret = contextInterface->serialize(context, 0, buf, &size);
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if (ret)
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ret = CRYPT_WriteSerializedToReg(key, hash, buf, size);
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}
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CryptMemFree(buf);
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}
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}
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else
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ret = TRUE;
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} while (ret && context != NULL);
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if (context)
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contextInterface->free(context);
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return ret;
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}
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static BOOL CRYPT_RegWriteToReg(PWINE_REGSTOREINFO store)
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{
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static const WCHAR * const subKeys[] = { CertsW, CRLsW, CTLsW };
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const WINE_CONTEXT_INTERFACE * const interfaces[] = { pCertInterface,
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pCRLInterface, pCTLInterface };
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struct list *listToDelete[] = { &store->certsToDelete, &store->crlsToDelete,
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NULL };
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BOOL ret = TRUE;
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DWORD i;
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for (i = 0; ret && i < sizeof(subKeys) / sizeof(subKeys[0]); i++)
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{
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HKEY key;
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LONG rc = RegCreateKeyExW(store->key, subKeys[i], 0, NULL, 0,
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KEY_ALL_ACCESS, NULL, &key, NULL);
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if (!rc)
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{
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if (listToDelete[i])
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{
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PWINE_HASH_TO_DELETE toDelete, next;
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WCHAR asciiHash[20 * 2 + 1];
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EnterCriticalSection(&store->cs);
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LIST_FOR_EACH_ENTRY_SAFE(toDelete, next, listToDelete[i],
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WINE_HASH_TO_DELETE, entry)
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{
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LONG rc;
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CRYPT_HashToStr(toDelete->hash, asciiHash);
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TRACE("Removing %s\n", debugstr_w(asciiHash));
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rc = RegDeleteKeyW(key, asciiHash);
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if (rc != ERROR_SUCCESS && rc != ERROR_FILE_NOT_FOUND)
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{
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SetLastError(rc);
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ret = FALSE;
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}
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list_remove(&toDelete->entry);
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CryptMemFree(toDelete);
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}
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LeaveCriticalSection(&store->cs);
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}
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ret = CRYPT_SerializeContextsToReg(key, interfaces[i],
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store->memStore);
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RegCloseKey(key);
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}
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else
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{
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SetLastError(rc);
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ret = FALSE;
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}
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}
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return ret;
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}
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/* If force is true or the registry store is dirty, writes the contents of the
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* store to the registry.
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*/
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static BOOL CRYPT_RegFlushStore(PWINE_REGSTOREINFO store, BOOL force)
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{
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BOOL ret;
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TRACE("(%p, %d)\n", store, force);
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if (store->dirty || force)
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ret = CRYPT_RegWriteToReg(store);
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else
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ret = TRUE;
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return ret;
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}
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static void WINAPI CRYPT_RegCloseStore(HCERTSTORE hCertStore, DWORD dwFlags)
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{
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PWINE_REGSTOREINFO store = (PWINE_REGSTOREINFO)hCertStore;
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TRACE("(%p, %08x)\n", store, dwFlags);
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if (dwFlags)
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FIXME("Unimplemented flags: %08x\n", dwFlags);
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CRYPT_RegFlushStore(store, FALSE);
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RegCloseKey(store->key);
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store->cs.DebugInfo->Spare[0] = 0;
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DeleteCriticalSection(&store->cs);
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CryptMemFree(store);
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}
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static BOOL WINAPI CRYPT_RegWriteContext(PWINE_REGSTOREINFO store,
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const void *context, DWORD dwFlags)
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{
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BOOL ret;
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if (dwFlags & CERT_STORE_PROV_WRITE_ADD_FLAG)
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{
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store->dirty = TRUE;
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ret = TRUE;
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}
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else
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ret = FALSE;
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return ret;
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}
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static BOOL CRYPT_RegDeleteContext(PWINE_REGSTOREINFO store,
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struct list *deleteList, const void *context,
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PCWINE_CONTEXT_INTERFACE contextInterface)
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{
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BOOL ret;
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if (store->dwOpenFlags & CERT_STORE_READONLY_FLAG)
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{
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SetLastError(ERROR_ACCESS_DENIED);
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ret = FALSE;
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}
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else
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{
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PWINE_HASH_TO_DELETE toDelete =
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CryptMemAlloc(sizeof(WINE_HASH_TO_DELETE));
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if (toDelete)
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{
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DWORD size = sizeof(toDelete->hash);
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ret = contextInterface->getProp(context, CERT_HASH_PROP_ID,
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toDelete->hash, &size);
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if (ret)
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{
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EnterCriticalSection(&store->cs);
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list_add_tail(deleteList, &toDelete->entry);
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LeaveCriticalSection(&store->cs);
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}
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else
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{
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CryptMemFree(toDelete);
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ret = FALSE;
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}
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}
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else
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ret = FALSE;
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if (ret)
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store->dirty = TRUE;
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}
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return ret;
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}
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static BOOL WINAPI CRYPT_RegWriteCert(HCERTSTORE hCertStore,
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PCCERT_CONTEXT cert, DWORD dwFlags)
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{
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PWINE_REGSTOREINFO store = (PWINE_REGSTOREINFO)hCertStore;
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TRACE("(%p, %p, %d)\n", hCertStore, cert, dwFlags);
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return CRYPT_RegWriteContext(store, cert, dwFlags);
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}
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static BOOL WINAPI CRYPT_RegDeleteCert(HCERTSTORE hCertStore,
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PCCERT_CONTEXT pCertContext, DWORD dwFlags)
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{
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PWINE_REGSTOREINFO store = (PWINE_REGSTOREINFO)hCertStore;
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TRACE("(%p, %p, %08x)\n", store, pCertContext, dwFlags);
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return CRYPT_RegDeleteContext(store, &store->certsToDelete, pCertContext,
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pCertInterface);
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}
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static BOOL WINAPI CRYPT_RegWriteCRL(HCERTSTORE hCertStore,
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PCCRL_CONTEXT crl, DWORD dwFlags)
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{
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PWINE_REGSTOREINFO store = (PWINE_REGSTOREINFO)hCertStore;
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TRACE("(%p, %p, %d)\n", hCertStore, crl, dwFlags);
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return CRYPT_RegWriteContext(store, crl, dwFlags);
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}
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static BOOL WINAPI CRYPT_RegDeleteCRL(HCERTSTORE hCertStore,
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PCCRL_CONTEXT pCrlContext, DWORD dwFlags)
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{
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PWINE_REGSTOREINFO store = (PWINE_REGSTOREINFO)hCertStore;
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TRACE("(%p, %p, %08x)\n", store, pCrlContext, dwFlags);
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return CRYPT_RegDeleteContext(store, &store->crlsToDelete, pCrlContext,
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pCRLInterface);
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}
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static BOOL WINAPI CRYPT_RegControl(HCERTSTORE hCertStore, DWORD dwFlags,
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DWORD dwCtrlType, void const *pvCtrlPara)
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{
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PWINE_REGSTOREINFO store = (PWINE_REGSTOREINFO)hCertStore;
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BOOL ret;
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TRACE("(%p, %08x, %d, %p)\n", hCertStore, dwFlags, dwCtrlType,
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pvCtrlPara);
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switch (dwCtrlType)
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{
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case CERT_STORE_CTRL_RESYNC:
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CRYPT_RegFlushStore(store, FALSE);
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CRYPT_EmptyStore(store->memStore);
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CRYPT_RegReadFromReg(store);
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ret = TRUE;
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break;
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case CERT_STORE_CTRL_COMMIT:
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ret = CRYPT_RegFlushStore(store,
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dwFlags & CERT_STORE_CTRL_COMMIT_FORCE_FLAG);
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break;
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default:
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FIXME("%d: stub\n", dwCtrlType);
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ret = FALSE;
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}
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return ret;
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}
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static void *regProvFuncs[] = {
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CRYPT_RegCloseStore,
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NULL, /* CERT_STORE_PROV_READ_CERT_FUNC */
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CRYPT_RegWriteCert,
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CRYPT_RegDeleteCert,
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NULL, /* CERT_STORE_PROV_SET_CERT_PROPERTY_FUNC */
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NULL, /* CERT_STORE_PROV_READ_CRL_FUNC */
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CRYPT_RegWriteCRL,
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CRYPT_RegDeleteCRL,
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NULL, /* CERT_STORE_PROV_SET_CRL_PROPERTY_FUNC */
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NULL, /* CERT_STORE_PROV_READ_CTL_FUNC */
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NULL, /* CERT_STORE_PROV_WRITE_CTL_FUNC */
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NULL, /* CERT_STORE_PROV_DELETE_CTL_FUNC */
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NULL, /* CERT_STORE_PROV_SET_CTL_PROPERTY_FUNC */
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CRYPT_RegControl,
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};
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PWINECRYPT_CERTSTORE CRYPT_RegOpenStore(HCRYPTPROV hCryptProv, DWORD dwFlags,
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const void *pvPara)
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{
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PWINECRYPT_CERTSTORE store = NULL;
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TRACE("(%ld, %08x, %p)\n", hCryptProv, dwFlags, pvPara);
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if (dwFlags & CERT_STORE_DELETE_FLAG)
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{
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DWORD rc = RegDeleteTreeW((HKEY)pvPara, CertsW);
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if (rc == ERROR_SUCCESS || rc == ERROR_NO_MORE_ITEMS)
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rc = RegDeleteTreeW((HKEY)pvPara, CRLsW);
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if (rc == ERROR_SUCCESS || rc == ERROR_NO_MORE_ITEMS)
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rc = RegDeleteTreeW((HKEY)pvPara, CTLsW);
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if (rc == ERROR_NO_MORE_ITEMS)
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rc = ERROR_SUCCESS;
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SetLastError(rc);
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}
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else
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{
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HKEY key;
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if (DuplicateHandle(GetCurrentProcess(), (HANDLE)pvPara,
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GetCurrentProcess(), (LPHANDLE)&key,
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dwFlags & CERT_STORE_READONLY_FLAG ? KEY_READ : KEY_ALL_ACCESS,
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TRUE, 0))
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{
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PWINECRYPT_CERTSTORE memStore;
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memStore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, hCryptProv,
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CERT_STORE_CREATE_NEW_FLAG, NULL);
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if (memStore)
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{
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PWINE_REGSTOREINFO regInfo = CryptMemAlloc(
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sizeof(WINE_REGSTOREINFO));
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if (regInfo)
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{
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CERT_STORE_PROV_INFO provInfo = { 0 };
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regInfo->dwOpenFlags = dwFlags;
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regInfo->memStore = memStore;
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regInfo->key = key;
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InitializeCriticalSection(®Info->cs);
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regInfo->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PWINE_REGSTOREINFO->cs");
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list_init(®Info->certsToDelete);
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list_init(®Info->crlsToDelete);
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CRYPT_RegReadFromReg(regInfo);
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regInfo->dirty = FALSE;
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provInfo.cbSize = sizeof(provInfo);
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provInfo.cStoreProvFunc = sizeof(regProvFuncs) /
|
|
sizeof(regProvFuncs[0]);
|
|
provInfo.rgpvStoreProvFunc = regProvFuncs;
|
|
provInfo.hStoreProv = regInfo;
|
|
store = CRYPT_ProvCreateStore(dwFlags, memStore, &provInfo);
|
|
/* Reg store doesn't need crypto provider, so close it */
|
|
if (hCryptProv &&
|
|
!(dwFlags & CERT_STORE_NO_CRYPT_RELEASE_FLAG))
|
|
CryptReleaseContext(hCryptProv, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
TRACE("returning %p\n", store);
|
|
return store;
|
|
}
|