Sweden-Number/dlls/crypt32/pfx.c

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/*
* Copyright 2019 Hans Leidekker for CodeWeavers
*
* 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 <stdlib.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "wincrypt.h"
#include "snmp.h"
#include "crypt32_private.h"
#include "wine/debug.h"
#include "wine/heap.h"
WINE_DEFAULT_DEBUG_CHANNEL(crypt);
static HCRYPTPROV import_key( struct cert_store_data *data, DWORD flags )
{
HCRYPTPROV prov = 0;
HCRYPTKEY cryptkey;
DWORD size, acquire_flags;
void *key;
struct import_store_key_params params = { data, NULL, &size };
if (CRYPT32_CALL( import_store_key, &params ) != STATUS_BUFFER_TOO_SMALL) return 0;
acquire_flags = (flags & CRYPT_MACHINE_KEYSET) | CRYPT_NEWKEYSET;
if (!CryptAcquireContextW( &prov, NULL, MS_ENHANCED_PROV_W, PROV_RSA_FULL, acquire_flags ))
{
if (GetLastError() != NTE_EXISTS) return 0;
acquire_flags &= ~CRYPT_NEWKEYSET;
if (!CryptAcquireContextW( &prov, NULL, MS_ENHANCED_PROV_W, PROV_RSA_FULL, acquire_flags ))
{
WARN( "CryptAcquireContextW failed %08x\n", GetLastError() );
return 0;
}
}
params.buf = key = malloc( size );
if (CRYPT32_CALL( import_store_key, &params ) ||
!CryptImportKey( prov, key, size, 0, flags & CRYPT_EXPORTABLE, &cryptkey ))
{
WARN( "CryptImportKey failed %08x\n", GetLastError() );
CryptReleaseContext( prov, 0 );
free( key );
return 0;
}
CryptDestroyKey( cryptkey );
free( key );
return prov;
}
static BOOL set_key_context( const void *ctx, HCRYPTPROV prov )
{
CERT_KEY_CONTEXT key_ctx;
key_ctx.cbSize = sizeof(key_ctx);
key_ctx.hCryptProv = prov;
key_ctx.dwKeySpec = AT_KEYEXCHANGE;
return CertSetCertificateContextProperty( ctx, CERT_KEY_CONTEXT_PROP_ID, 0, &key_ctx );
}
static WCHAR *get_provider_property( HCRYPTPROV prov, DWORD prop_id, DWORD *len )
{
DWORD size = 0;
WCHAR *ret;
char *str;
CryptGetProvParam( prov, prop_id, NULL, &size, 0 );
if (!size) return NULL;
if (!(str = CryptMemAlloc( size ))) return NULL;
CryptGetProvParam( prov, prop_id, (BYTE *)str, &size, 0 );
*len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
if ((ret = CryptMemAlloc( *len * sizeof(WCHAR) ))) MultiByteToWideChar( CP_ACP, 0, str, -1, ret, *len );
CryptMemFree( str );
return ret;
}
static BOOL set_key_prov_info( const void *ctx, HCRYPTPROV prov )
{
CRYPT_KEY_PROV_INFO *prov_info;
DWORD size, len_container, len_name;
WCHAR *ptr, *container, *name;
BOOL ret;
if (!(container = get_provider_property( prov, PP_CONTAINER, &len_container ))) return FALSE;
if (!(name = get_provider_property( prov, PP_NAME, &len_name )))
{
CryptMemFree( container );
return FALSE;
}
if (!(prov_info = CryptMemAlloc( sizeof(*prov_info) + (len_container + len_name) * sizeof(WCHAR) )))
{
CryptMemFree( container );
CryptMemFree( name );
return FALSE;
}
ptr = (WCHAR *)(prov_info + 1);
prov_info->pwszContainerName = ptr;
lstrcpyW( prov_info->pwszContainerName, container );
ptr += len_container;
prov_info->pwszProvName = ptr;
lstrcpyW( prov_info->pwszProvName, name );
size = sizeof(prov_info->dwProvType);
CryptGetProvParam( prov, PP_PROVTYPE, (BYTE *)&prov_info->dwProvType, &size, 0 );
prov_info->dwFlags = 0;
prov_info->cProvParam = 0;
prov_info->rgProvParam = NULL;
size = sizeof(prov_info->dwKeySpec);
CryptGetProvParam( prov, PP_KEYSPEC, (BYTE *)&prov_info->dwKeySpec, &size, 0 );
ret = CertSetCertificateContextProperty( ctx, CERT_KEY_PROV_INFO_PROP_ID, 0, prov_info );
CryptMemFree( prov_info );
CryptMemFree( name );
CryptMemFree( container );
return ret;
}
HCERTSTORE WINAPI PFXImportCertStore( CRYPT_DATA_BLOB *pfx, const WCHAR *password, DWORD flags )
{
DWORD i = 0, size;
HCERTSTORE store = NULL;
HCRYPTPROV prov = 0;
struct cert_store_data *data = NULL;
struct open_cert_store_params open_params = { pfx, password, &data };
struct close_cert_store_params close_params;
if (!pfx)
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
if (flags & ~(CRYPT_EXPORTABLE|CRYPT_USER_KEYSET|CRYPT_MACHINE_KEYSET|PKCS12_NO_PERSIST_KEY))
{
FIXME( "flags %08x not supported\n", flags );
return NULL;
}
if (CRYPT32_CALL( open_cert_store, &open_params )) return NULL;
prov = import_key( data, flags );
if (!prov) goto error;
if (!(store = CertOpenStore( CERT_STORE_PROV_MEMORY, 0, 0, 0, NULL )))
{
WARN( "CertOpenStore failed %08x\n", GetLastError() );
goto error;
}
for (;;)
{
const void *ctx = NULL;
void *cert;
struct import_store_cert_params import_params = { data, i, NULL, &size };
if (CRYPT32_CALL( import_store_cert, &import_params ) != STATUS_BUFFER_TOO_SMALL) break;
import_params.buf = cert = malloc( size );
if (!CRYPT32_CALL( import_store_cert, &import_params ))
ctx = CertCreateContext( CERT_STORE_CERTIFICATE_CONTEXT, X509_ASN_ENCODING, cert, size, 0, NULL );
free( cert );
if (!ctx)
{
WARN( "CertCreateContext failed %08x\n", GetLastError() );
goto error;
}
if (flags & PKCS12_NO_PERSIST_KEY)
{
if (!set_key_context( ctx, prov ))
{
WARN( "failed to set context property %08x\n", GetLastError() );
CertFreeCertificateContext( ctx );
goto error;
}
}
else if (!set_key_prov_info( ctx, prov ))
{
WARN( "failed to set provider info property %08x\n", GetLastError() );
CertFreeCertificateContext( ctx );
goto error;
}
if (!CertAddCertificateContextToStore( store, ctx, CERT_STORE_ADD_ALWAYS, NULL ))
{
WARN( "CertAddCertificateContextToStore failed %08x\n", GetLastError() );
CertFreeCertificateContext( ctx );
goto error;
}
CertFreeCertificateContext( ctx );
i++;
}
close_params.data = data;
CRYPT32_CALL( close_cert_store, &close_params );
return store;
error:
CryptReleaseContext( prov, 0 );
CertCloseStore( store, 0 );
close_params.data = data;
CRYPT32_CALL( close_cert_store, &close_params );
return NULL;
}
BOOL WINAPI PFXVerifyPassword( CRYPT_DATA_BLOB *pfx, const WCHAR *password, DWORD flags )
{
FIXME( "(%p, %p, %08x): stub\n", pfx, password, flags );
return FALSE;
}
BOOL WINAPI PFXExportCertStore( HCERTSTORE store, CRYPT_DATA_BLOB *pfx, const WCHAR *password, DWORD flags )
{
return PFXExportCertStoreEx( store, pfx, password, NULL, flags );
}
BOOL WINAPI PFXExportCertStoreEx( HCERTSTORE store, CRYPT_DATA_BLOB *pfx, const WCHAR *password, void *reserved,
DWORD flags )
{
FIXME( "(%p, %p, %p, %p, %08x): stub\n", store, pfx, password, reserved, flags );
return FALSE;
}