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Sweden-Number/dlls/crypt32/filestore.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 "winnls.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "crypt32_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(crypt);
typedef struct _WINE_FILESTOREINFO
{
DWORD dwOpenFlags;
HCERTSTORE memStore;
HANDLE file;
DWORD type;
BOOL dirty;
} WINE_FILESTOREINFO, *PWINE_FILESTOREINFO;
static void WINAPI CRYPT_FileCloseStore(HCERTSTORE hCertStore, DWORD dwFlags)
{
PWINE_FILESTOREINFO store = hCertStore;
TRACE("(%p, %08x)\n", store, dwFlags);
if (store->dirty)
CertSaveStore(store->memStore, X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
store->type, CERT_STORE_SAVE_TO_FILE, store->file, 0);
CertCloseStore(store->memStore, dwFlags);
CloseHandle(store->file);
CryptMemFree(store);
}
static BOOL WINAPI CRYPT_FileWriteCert(HCERTSTORE hCertStore,
PCCERT_CONTEXT cert, DWORD dwFlags)
{
PWINE_FILESTOREINFO store = hCertStore;
TRACE("(%p, %p, %d)\n", hCertStore, cert, dwFlags);
store->dirty = TRUE;
return TRUE;
}
static BOOL WINAPI CRYPT_FileDeleteCert(HCERTSTORE hCertStore,
PCCERT_CONTEXT pCertContext, DWORD dwFlags)
{
PWINE_FILESTOREINFO store = hCertStore;
TRACE("(%p, %p, %08x)\n", hCertStore, pCertContext, dwFlags);
store->dirty = TRUE;
return TRUE;
}
static BOOL WINAPI CRYPT_FileWriteCRL(HCERTSTORE hCertStore,
PCCRL_CONTEXT crl, DWORD dwFlags)
{
PWINE_FILESTOREINFO store = hCertStore;
TRACE("(%p, %p, %d)\n", hCertStore, crl, dwFlags);
store->dirty = TRUE;
return TRUE;
}
static BOOL WINAPI CRYPT_FileDeleteCRL(HCERTSTORE hCertStore,
PCCRL_CONTEXT pCrlContext, DWORD dwFlags)
{
PWINE_FILESTOREINFO store = hCertStore;
TRACE("(%p, %p, %08x)\n", hCertStore, pCrlContext, dwFlags);
store->dirty = TRUE;
return TRUE;
}
static BOOL WINAPI CRYPT_FileWriteCTL(HCERTSTORE hCertStore,
PCCTL_CONTEXT ctl, DWORD dwFlags)
{
PWINE_FILESTOREINFO store = hCertStore;
TRACE("(%p, %p, %d)\n", hCertStore, ctl, dwFlags);
store->dirty = TRUE;
return TRUE;
}
static BOOL WINAPI CRYPT_FileDeleteCTL(HCERTSTORE hCertStore,
PCCTL_CONTEXT pCtlContext, DWORD dwFlags)
{
PWINE_FILESTOREINFO store = hCertStore;
TRACE("(%p, %p, %08x)\n", hCertStore, pCtlContext, dwFlags);
store->dirty = TRUE;
return TRUE;
}
static BOOL CRYPT_ReadBlobFromFile(HANDLE file, PCERT_BLOB blob)
{
BOOL ret = TRUE;
blob->cbData = GetFileSize(file, NULL);
if (blob->cbData)
{
blob->pbData = CryptMemAlloc(blob->cbData);
if (blob->pbData)
{
DWORD read;
ret = ReadFile(file, blob->pbData, blob->cbData, &read, NULL);
}
}
return ret;
}
static BOOL WINAPI CRYPT_FileControl(HCERTSTORE hCertStore, DWORD dwFlags,
DWORD dwCtrlType, void const *pvCtrlPara)
{
PWINE_FILESTOREINFO store = hCertStore;
BOOL ret;
TRACE("(%p, %08x, %d, %p)\n", hCertStore, dwFlags, dwCtrlType,
pvCtrlPara);
switch (dwCtrlType)
{
case CERT_STORE_CTRL_RESYNC:
store->dirty = FALSE;
if (store->type == CERT_STORE_SAVE_AS_STORE)
{
HCERTSTORE memStore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
CERT_STORE_CREATE_NEW_FLAG, NULL);
/* FIXME: if I could translate a handle to a path, I could use
* CryptQueryObject instead, but there's no API to do so yet.
*/
ret = CRYPT_ReadSerializedStoreFromFile(store->file, memStore);
if (ret)
I_CertUpdateStore(store->memStore, memStore, 0, 0);
CertCloseStore(memStore, 0);
}
else if (store->type == CERT_STORE_SAVE_AS_PKCS7)
{
CERT_BLOB blob = { 0, NULL };
ret = CRYPT_ReadBlobFromFile(store->file, &blob);
if (ret)
{
HCERTSTORE messageStore;
ret = CryptQueryObject(CERT_QUERY_OBJECT_BLOB, &blob,
CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED,
CERT_QUERY_FORMAT_FLAG_BINARY, 0, NULL, NULL, NULL,
&messageStore, NULL, NULL);
I_CertUpdateStore(store->memStore, messageStore, 0, 0);
CertCloseStore(messageStore, 0);
CryptMemFree(blob.pbData);
}
}
else
{
WARN("unknown type %d\n", store->type);
ret = FALSE;
}
break;
case CERT_STORE_CTRL_COMMIT:
if (!(store->dwOpenFlags & CERT_FILE_STORE_COMMIT_ENABLE_FLAG))
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
ret = FALSE;
}
else if (store->dirty)
ret = CertSaveStore(store->memStore,
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
store->type, CERT_STORE_SAVE_TO_FILE, store->file, 0);
else
ret = TRUE;
break;
default:
FIXME("%d: stub\n", dwCtrlType);
ret = FALSE;
}
return ret;
}
static void *fileProvFuncs[] = {
CRYPT_FileCloseStore,
NULL, /* CERT_STORE_PROV_READ_CERT_FUNC */
CRYPT_FileWriteCert,
CRYPT_FileDeleteCert,
NULL, /* CERT_STORE_PROV_SET_CERT_PROPERTY_FUNC */
NULL, /* CERT_STORE_PROV_READ_CRL_FUNC */
CRYPT_FileWriteCRL,
CRYPT_FileDeleteCRL,
NULL, /* CERT_STORE_PROV_SET_CRL_PROPERTY_FUNC */
NULL, /* CERT_STORE_PROV_READ_CTL_FUNC */
CRYPT_FileWriteCTL,
CRYPT_FileDeleteCTL,
NULL, /* CERT_STORE_PROV_SET_CTL_PROPERTY_FUNC */
CRYPT_FileControl,
};
static PWINECRYPT_CERTSTORE CRYPT_CreateFileStore(DWORD dwFlags,
HCERTSTORE memStore, HANDLE file, DWORD type)
{
PWINECRYPT_CERTSTORE store = NULL;
PWINE_FILESTOREINFO info = CryptMemAlloc(sizeof(WINE_FILESTOREINFO));
if (info)
{
CERT_STORE_PROV_INFO provInfo = { 0 };
info->dwOpenFlags = dwFlags;
info->memStore = memStore;
info->file = file;
info->type = type;
info->dirty = FALSE;
provInfo.cbSize = sizeof(provInfo);
provInfo.cStoreProvFunc = sizeof(fileProvFuncs) /
sizeof(fileProvFuncs[0]);
provInfo.rgpvStoreProvFunc = fileProvFuncs;
provInfo.hStoreProv = info;
store = CRYPT_ProvCreateStore(dwFlags, memStore, &provInfo);
}
return store;
}
PWINECRYPT_CERTSTORE CRYPT_FileOpenStore(HCRYPTPROV hCryptProv, DWORD dwFlags,
const void *pvPara)
{
PWINECRYPT_CERTSTORE store = NULL;
HANDLE file = (HANDLE)pvPara;
TRACE("(%ld, %08x, %p)\n", hCryptProv, dwFlags, pvPara);
if (!pvPara)
{
SetLastError(ERROR_INVALID_HANDLE);
return NULL;
}
if (dwFlags & CERT_STORE_DELETE_FLAG)
{
SetLastError(E_INVALIDARG);
return NULL;
}
if ((dwFlags & CERT_STORE_READONLY_FLAG) &&
(dwFlags & CERT_FILE_STORE_COMMIT_ENABLE_FLAG))
{
SetLastError(E_INVALIDARG);
return NULL;
}
if (DuplicateHandle(GetCurrentProcess(), (HANDLE)pvPara,
GetCurrentProcess(), &file, dwFlags & CERT_STORE_READONLY_FLAG ?
GENERIC_READ : GENERIC_READ | GENERIC_WRITE, TRUE, 0))
{
HCERTSTORE memStore;
memStore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
CERT_STORE_CREATE_NEW_FLAG, NULL);
if (memStore)
{
if (CRYPT_ReadSerializedStoreFromFile(file, memStore))
{
store = CRYPT_CreateFileStore(dwFlags, memStore, file,
CERT_STORE_SAVE_AS_STORE);
/* File 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;
}
PWINECRYPT_CERTSTORE CRYPT_FileNameOpenStoreW(HCRYPTPROV hCryptProv,
DWORD dwFlags, const void *pvPara)
{
HCERTSTORE store = 0;
LPCWSTR fileName = pvPara;
DWORD access, create;
HANDLE file;
TRACE("(%ld, %08x, %s)\n", hCryptProv, dwFlags, debugstr_w(fileName));
if (!fileName)
{
SetLastError(ERROR_PATH_NOT_FOUND);
return NULL;
}
if ((dwFlags & CERT_STORE_READONLY_FLAG) &&
(dwFlags & CERT_FILE_STORE_COMMIT_ENABLE_FLAG))
{
SetLastError(E_INVALIDARG);
return NULL;
}
access = GENERIC_READ;
if (dwFlags & CERT_FILE_STORE_COMMIT_ENABLE_FLAG)
access |= GENERIC_WRITE;
if (dwFlags & CERT_STORE_CREATE_NEW_FLAG)
create = CREATE_NEW;
else if (dwFlags & CERT_STORE_OPEN_EXISTING_FLAG)
create = OPEN_EXISTING;
else
create = OPEN_ALWAYS;
file = CreateFileW(fileName, access, FILE_SHARE_READ, NULL, create,
FILE_ATTRIBUTE_NORMAL, NULL);
if (file != INVALID_HANDLE_VALUE)
{
HCERTSTORE memStore = NULL;
DWORD size = GetFileSize(file, NULL), type = 0;
/* If the file isn't empty, try to get the type from the file itself */
if (size)
{
DWORD contentType;
BOOL ret;
/* Close the file so CryptQueryObject can succeed.. */
CloseHandle(file);
ret = CryptQueryObject(CERT_QUERY_OBJECT_FILE, fileName,
CERT_QUERY_CONTENT_FLAG_CERT |
CERT_QUERY_CONTENT_FLAG_SERIALIZED_STORE |
CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED,
CERT_QUERY_FORMAT_FLAG_ALL, 0, NULL, &contentType, NULL,
&memStore, NULL, NULL);
if (ret)
{
if (contentType == CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED)
type = CERT_STORE_SAVE_AS_PKCS7;
else
type = CERT_STORE_SAVE_AS_STORE;
/* and reopen the file. */
file = CreateFileW(fileName, access, FILE_SHARE_READ, NULL,
create, FILE_ATTRIBUTE_NORMAL, NULL);
}
}
else
{
static const WCHAR spc[] = { 's','p','c',0 };
static const WCHAR p7c[] = { 'p','7','c',0 };
LPCWSTR ext = strrchrW(fileName, '.');
if (ext)
{
ext++;
if (!lstrcmpiW(ext, spc) || !lstrcmpiW(ext, p7c))
type = CERT_STORE_SAVE_AS_PKCS7;
}
if (!type)
type = CERT_STORE_SAVE_AS_STORE;
memStore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
CERT_STORE_CREATE_NEW_FLAG, NULL);
}
if (memStore)
{
store = CRYPT_CreateFileStore(dwFlags, memStore, file, type);
/* File store doesn't need crypto provider, so close it */
if (hCryptProv && !(dwFlags & CERT_STORE_NO_CRYPT_RELEASE_FLAG))
CryptReleaseContext(hCryptProv, 0);
}
}
return store;
}
PWINECRYPT_CERTSTORE CRYPT_FileNameOpenStoreA(HCRYPTPROV hCryptProv,
DWORD dwFlags, const void *pvPara)
{
int len;
PWINECRYPT_CERTSTORE ret = NULL;
TRACE("(%ld, %08x, %s)\n", hCryptProv, dwFlags,
debugstr_a(pvPara));
if (!pvPara)
{
SetLastError(ERROR_FILE_NOT_FOUND);
return NULL;
}
len = MultiByteToWideChar(CP_ACP, 0, pvPara, -1, NULL, 0);
if (len)
{
LPWSTR storeName = CryptMemAlloc(len * sizeof(WCHAR));
if (storeName)
{
MultiByteToWideChar(CP_ACP, 0, pvPara, -1, storeName, len);
ret = CRYPT_FileNameOpenStoreW(hCryptProv, dwFlags, storeName);
CryptMemFree(storeName);
}
}
return ret;
}
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