646 lines
17 KiB
C
646 lines
17 KiB
C
/*
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* Copyright 2009 Henri Verbeet for CodeWeavers
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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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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#ifdef HAVE_COMMONCRYPTO_COMMONDIGEST_H
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#include <CommonCrypto/CommonDigest.h>
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#elif defined(SONAME_LIBGNUTLS)
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#include <gnutls/gnutls.h>
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#include <gnutls/crypto.h>
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "ntsecapi.h"
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#include "bcrypt.h"
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#include "wine/debug.h"
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#include "wine/library.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
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static HINSTANCE instance;
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#if defined(HAVE_GNUTLS_HASH) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
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WINE_DECLARE_DEBUG_CHANNEL(winediag);
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static void *libgnutls_handle;
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#define MAKE_FUNCPTR(f) static typeof(f) * p##f
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MAKE_FUNCPTR(gnutls_global_deinit);
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MAKE_FUNCPTR(gnutls_global_init);
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MAKE_FUNCPTR(gnutls_global_set_log_function);
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MAKE_FUNCPTR(gnutls_global_set_log_level);
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MAKE_FUNCPTR(gnutls_hash);
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MAKE_FUNCPTR(gnutls_hash_deinit);
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MAKE_FUNCPTR(gnutls_hash_init);
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MAKE_FUNCPTR(gnutls_perror);
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#undef MAKE_FUNCPTR
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static void gnutls_log( int level, const char *msg )
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{
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TRACE( "<%d> %s", level, msg );
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}
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static BOOL gnutls_initialize(void)
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{
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int ret;
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if (!(libgnutls_handle = wine_dlopen( SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0 )))
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{
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ERR_(winediag)( "failed to load libgnutls, no support for crypto hashes\n" );
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return FALSE;
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}
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#define LOAD_FUNCPTR(f) \
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if (!(p##f = wine_dlsym( libgnutls_handle, #f, NULL, 0 ))) \
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{ \
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ERR( "failed to load %s\n", #f ); \
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goto fail; \
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}
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LOAD_FUNCPTR(gnutls_global_deinit)
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LOAD_FUNCPTR(gnutls_global_init)
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LOAD_FUNCPTR(gnutls_global_set_log_function)
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LOAD_FUNCPTR(gnutls_global_set_log_level)
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LOAD_FUNCPTR(gnutls_hash);
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LOAD_FUNCPTR(gnutls_hash_deinit);
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LOAD_FUNCPTR(gnutls_hash_init);
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LOAD_FUNCPTR(gnutls_perror)
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#undef LOAD_FUNCPTR
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if ((ret = pgnutls_global_init()) != GNUTLS_E_SUCCESS)
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{
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pgnutls_perror( ret );
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goto fail;
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}
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if (TRACE_ON( bcrypt ))
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{
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pgnutls_global_set_log_level( 4 );
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pgnutls_global_set_log_function( gnutls_log );
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}
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return TRUE;
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fail:
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wine_dlclose( libgnutls_handle, NULL, 0 );
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libgnutls_handle = NULL;
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return FALSE;
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}
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static void gnutls_uninitialize(void)
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{
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pgnutls_global_deinit();
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wine_dlclose( libgnutls_handle, NULL, 0 );
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libgnutls_handle = NULL;
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}
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#endif /* HAVE_GNUTLS_HASH && !HAVE_COMMONCRYPTO_COMMONDIGEST_H */
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NTSTATUS WINAPI BCryptEnumAlgorithms(ULONG dwAlgOperations, ULONG *pAlgCount,
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BCRYPT_ALGORITHM_IDENTIFIER **ppAlgList, ULONG dwFlags)
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{
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FIXME("%08x, %p, %p, %08x - stub\n", dwAlgOperations, pAlgCount, ppAlgList, dwFlags);
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*ppAlgList=NULL;
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*pAlgCount=0;
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS WINAPI BCryptGenRandom(BCRYPT_ALG_HANDLE algorithm, UCHAR *buffer, ULONG count, ULONG flags)
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{
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const DWORD supported_flags = BCRYPT_USE_SYSTEM_PREFERRED_RNG;
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TRACE("%p, %p, %u, %08x - semi-stub\n", algorithm, buffer, count, flags);
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if (!algorithm)
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{
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/* It's valid to call without an algorithm if BCRYPT_USE_SYSTEM_PREFERRED_RNG
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* is set. In this case the preferred system RNG is used.
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*/
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if (!(flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
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return STATUS_INVALID_HANDLE;
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}
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if (!buffer)
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return STATUS_INVALID_PARAMETER;
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if (flags & ~supported_flags)
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FIXME("unsupported flags %08x\n", flags & ~supported_flags);
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if (algorithm)
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FIXME("ignoring selected algorithm\n");
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/* When zero bytes are requested the function returns success too. */
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if (!count)
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return STATUS_SUCCESS;
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if (flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG)
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{
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if (RtlGenRandom(buffer, count))
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return STATUS_SUCCESS;
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}
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FIXME("called with unsupported parameters, returning error\n");
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return STATUS_NOT_IMPLEMENTED;
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}
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#define MAGIC_ALG (('A' << 24) | ('L' << 16) | ('G' << 8) | '0')
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#define MAGIC_HASH (('H' << 24) | ('A' << 16) | ('S' << 8) | 'H')
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struct object
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{
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ULONG magic;
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};
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enum alg_id
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{
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ALG_ID_SHA1,
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ALG_ID_SHA256,
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ALG_ID_SHA384,
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ALG_ID_SHA512
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};
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static const struct {
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ULONG hash_length;
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const WCHAR *alg_name;
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} alg_props[] = {
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/* ALG_ID_SHA1 */ { 20, BCRYPT_SHA1_ALGORITHM },
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/* ALG_ID_SHA256 */ { 32, BCRYPT_SHA256_ALGORITHM },
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/* ALG_ID_SHA384 */ { 48, BCRYPT_SHA384_ALGORITHM },
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/* ALG_ID_SHA512 */ { 64, BCRYPT_SHA512_ALGORITHM }
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};
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struct algorithm
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{
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struct object hdr;
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enum alg_id id;
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};
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NTSTATUS WINAPI BCryptOpenAlgorithmProvider( BCRYPT_ALG_HANDLE *handle, LPCWSTR id, LPCWSTR implementation, DWORD flags )
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{
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struct algorithm *alg;
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enum alg_id alg_id;
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TRACE( "%p, %s, %s, %08x\n", handle, wine_dbgstr_w(id), wine_dbgstr_w(implementation), flags );
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if (!handle || !id) return STATUS_INVALID_PARAMETER;
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if (flags)
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{
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FIXME( "unimplemented flags %08x\n", flags );
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return STATUS_NOT_IMPLEMENTED;
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}
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if (!strcmpW( id, BCRYPT_SHA1_ALGORITHM )) alg_id = ALG_ID_SHA1;
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else if (!strcmpW( id, BCRYPT_SHA256_ALGORITHM )) alg_id = ALG_ID_SHA256;
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else if (!strcmpW( id, BCRYPT_SHA384_ALGORITHM )) alg_id = ALG_ID_SHA384;
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else if (!strcmpW( id, BCRYPT_SHA512_ALGORITHM )) alg_id = ALG_ID_SHA512;
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else
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{
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FIXME( "algorithm %s not supported\n", debugstr_w(id) );
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return STATUS_NOT_IMPLEMENTED;
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}
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if (implementation && strcmpW( implementation, MS_PRIMITIVE_PROVIDER ))
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{
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FIXME( "implementation %s not supported\n", debugstr_w(implementation) );
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return STATUS_NOT_IMPLEMENTED;
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}
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if (!(alg = HeapAlloc( GetProcessHeap(), 0, sizeof(*alg) ))) return STATUS_NO_MEMORY;
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alg->hdr.magic = MAGIC_ALG;
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alg->id = alg_id;
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*handle = alg;
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptCloseAlgorithmProvider( BCRYPT_ALG_HANDLE handle, DWORD flags )
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{
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struct algorithm *alg = handle;
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TRACE( "%p, %08x\n", handle, flags );
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if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
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HeapFree( GetProcessHeap(), 0, alg );
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptGetFipsAlgorithmMode(BOOLEAN *enabled)
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{
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FIXME("%p - semi-stub\n", enabled);
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if (!enabled)
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return STATUS_INVALID_PARAMETER;
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*enabled = FALSE;
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return STATUS_SUCCESS;
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}
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#ifdef HAVE_COMMONCRYPTO_COMMONDIGEST_H
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struct hash
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{
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struct object hdr;
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enum alg_id alg_id;
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union
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{
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CC_SHA1_CTX sha1_ctx;
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CC_SHA256_CTX sha256_ctx;
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CC_SHA512_CTX sha512_ctx;
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} u;
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};
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static NTSTATUS hash_init( struct hash *hash )
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{
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switch (hash->alg_id)
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{
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case ALG_ID_SHA1:
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CC_SHA1_Init( &hash->u.sha1_ctx );
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break;
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case ALG_ID_SHA256:
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CC_SHA256_Init( &hash->u.sha256_ctx );
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break;
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case ALG_ID_SHA384:
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CC_SHA384_Init( &hash->u.sha512_ctx );
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break;
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case ALG_ID_SHA512:
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CC_SHA512_Init( &hash->u.sha512_ctx );
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break;
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default:
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ERR( "unhandled id %u\n", hash->alg_id );
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return STATUS_NOT_IMPLEMENTED;
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
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{
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switch (hash->alg_id)
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{
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case ALG_ID_SHA1:
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CC_SHA1_Update( &hash->u.sha1_ctx, input, size );
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break;
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case ALG_ID_SHA256:
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CC_SHA256_Update( &hash->u.sha256_ctx, input, size );
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break;
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case ALG_ID_SHA384:
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CC_SHA384_Update( &hash->u.sha512_ctx, input, size );
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break;
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case ALG_ID_SHA512:
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CC_SHA512_Update( &hash->u.sha512_ctx, input, size );
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break;
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default:
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ERR( "unhandled id %u\n", hash->alg_id );
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return STATUS_NOT_IMPLEMENTED;
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
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{
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switch (hash->alg_id)
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{
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case ALG_ID_SHA1:
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CC_SHA1_Final( output, &hash->u.sha1_ctx );
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break;
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case ALG_ID_SHA256:
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CC_SHA256_Final( output, &hash->u.sha256_ctx );
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break;
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case ALG_ID_SHA384:
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CC_SHA384_Final( output, &hash->u.sha512_ctx );
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break;
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case ALG_ID_SHA512:
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CC_SHA512_Final( output, &hash->u.sha512_ctx );
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break;
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default:
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ERR( "unhandled id %u\n", hash->alg_id );
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break;
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}
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return STATUS_SUCCESS;
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}
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#elif defined(HAVE_GNUTLS_HASH)
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struct hash
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{
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struct object hdr;
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enum alg_id alg_id;
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gnutls_hash_hd_t handle;
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};
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static NTSTATUS hash_init( struct hash *hash )
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{
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gnutls_digest_algorithm_t alg;
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if (!libgnutls_handle) return STATUS_INTERNAL_ERROR;
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switch (hash->alg_id)
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{
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case ALG_ID_SHA1:
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alg = GNUTLS_DIG_SHA1;
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break;
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case ALG_ID_SHA256:
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alg = GNUTLS_DIG_SHA256;
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break;
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case ALG_ID_SHA384:
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alg = GNUTLS_DIG_SHA384;
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break;
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case ALG_ID_SHA512:
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alg = GNUTLS_DIG_SHA512;
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break;
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default:
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ERR( "unhandled id %u\n", hash->alg_id );
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return STATUS_NOT_IMPLEMENTED;
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}
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if (pgnutls_hash_init( &hash->handle, alg )) return STATUS_INTERNAL_ERROR;
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return STATUS_SUCCESS;
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}
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static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
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{
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if (pgnutls_hash( hash->handle, input, size )) return STATUS_INTERNAL_ERROR;
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return STATUS_SUCCESS;
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}
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static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
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{
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pgnutls_hash_deinit( hash->handle, output );
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return STATUS_SUCCESS;
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}
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#else
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struct hash
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{
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struct object hdr;
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enum alg_id alg_id;
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};
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static NTSTATUS hash_init( struct hash *hash )
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{
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ERR( "support for hashes not available at build time\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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static NTSTATUS hash_update( struct hash *hash, UCHAR *input, ULONG size )
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{
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ERR( "support for hashes not available at build time\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
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{
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ERR( "support for hashes not available at build time\n" );
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return STATUS_NOT_IMPLEMENTED;
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}
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#endif
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#define OBJECT_LENGTH_SHA1 278
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#define OBJECT_LENGTH_SHA256 286
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#define OBJECT_LENGTH_SHA384 382
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#define OBJECT_LENGTH_SHA512 382
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static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
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{
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if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
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{
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*ret_size = sizeof(ULONG);
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if (size < sizeof(ULONG))
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return STATUS_BUFFER_TOO_SMALL;
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if(buf)
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*(ULONG*)buf = alg_props[id].hash_length;
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return STATUS_SUCCESS;
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}
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if (!strcmpW( prop, BCRYPT_ALGORITHM_NAME ))
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{
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*ret_size = (strlenW(alg_props[id].alg_name)+1)*sizeof(WCHAR);
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if (size < *ret_size)
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return STATUS_BUFFER_TOO_SMALL;
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if(buf)
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memcpy(buf, alg_props[id].alg_name, *ret_size);
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return STATUS_SUCCESS;
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}
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return STATUS_NOT_IMPLEMENTED;
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}
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static NTSTATUS get_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
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{
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NTSTATUS status;
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ULONG value;
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status = generic_alg_property( id, prop, buf, size, ret_size );
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if (status != STATUS_NOT_IMPLEMENTED)
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return status;
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switch (id)
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{
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case ALG_ID_SHA1:
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if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
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{
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value = OBJECT_LENGTH_SHA1;
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break;
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}
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FIXME( "unsupported sha1 algorithm property %s\n", debugstr_w(prop) );
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return STATUS_NOT_IMPLEMENTED;
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case ALG_ID_SHA256:
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if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
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{
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value = OBJECT_LENGTH_SHA256;
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break;
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}
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FIXME( "unsupported sha256 algorithm property %s\n", debugstr_w(prop) );
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return STATUS_NOT_IMPLEMENTED;
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case ALG_ID_SHA384:
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if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
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{
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value = OBJECT_LENGTH_SHA384;
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break;
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}
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FIXME( "unsupported sha384 algorithm property %s\n", debugstr_w(prop) );
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return STATUS_NOT_IMPLEMENTED;
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case ALG_ID_SHA512:
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if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
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{
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value = OBJECT_LENGTH_SHA512;
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break;
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}
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FIXME( "unsupported sha512 algorithm property %s\n", debugstr_w(prop) );
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return STATUS_NOT_IMPLEMENTED;
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default:
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FIXME( "unsupported algorithm %u\n", id );
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return STATUS_NOT_IMPLEMENTED;
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}
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if (size < sizeof(ULONG))
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{
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*ret_size = sizeof(ULONG);
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return STATUS_BUFFER_TOO_SMALL;
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}
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if (buf) *(ULONG *)buf = value;
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*ret_size = sizeof(ULONG);
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return STATUS_SUCCESS;
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}
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static NTSTATUS get_hash_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
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{
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NTSTATUS status;
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status = generic_alg_property( id, prop, buf, size, ret_size );
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if (status == STATUS_NOT_IMPLEMENTED)
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FIXME( "unsupported property %s\n", debugstr_w(prop) );
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return status;
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}
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NTSTATUS WINAPI BCryptGetProperty( BCRYPT_HANDLE handle, LPCWSTR prop, UCHAR *buffer, ULONG count, ULONG *res, ULONG flags )
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{
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struct object *object = handle;
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TRACE( "%p, %s, %p, %u, %p, %08x\n", handle, wine_dbgstr_w(prop), buffer, count, res, flags );
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if (!object) return STATUS_INVALID_HANDLE;
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if (!prop || !res) return STATUS_INVALID_PARAMETER;
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switch (object->magic)
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{
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case MAGIC_ALG:
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{
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const struct algorithm *alg = (const struct algorithm *)object;
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return get_alg_property( alg->id, prop, buffer, count, res );
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}
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case MAGIC_HASH:
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{
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const struct hash *hash = (const struct hash *)object;
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return get_hash_property( hash->alg_id, prop, buffer, count, res );
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}
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default:
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WARN( "unknown magic %08x\n", object->magic );
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return STATUS_INVALID_HANDLE;
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}
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}
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NTSTATUS WINAPI BCryptCreateHash( BCRYPT_ALG_HANDLE algorithm, BCRYPT_HASH_HANDLE *handle, UCHAR *object, ULONG objectlen,
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UCHAR *secret, ULONG secretlen, ULONG flags )
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{
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struct algorithm *alg = algorithm;
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struct hash *hash;
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NTSTATUS status;
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TRACE( "%p, %p, %p, %u, %p, %u, %08x - stub\n", algorithm, handle, object, objectlen,
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secret, secretlen, flags );
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if (flags)
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{
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FIXME( "unimplemented flags %08x\n", flags );
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return STATUS_NOT_IMPLEMENTED;
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}
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if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
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if (object) FIXME( "ignoring object buffer\n" );
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if (!(hash = HeapAlloc( GetProcessHeap(), 0, sizeof(*hash) ))) return STATUS_NO_MEMORY;
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hash->hdr.magic = MAGIC_HASH;
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hash->alg_id = alg->id;
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if ((status = hash_init( hash )) != STATUS_SUCCESS)
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{
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HeapFree( GetProcessHeap(), 0, hash );
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return status;
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}
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*handle = hash;
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptDestroyHash( BCRYPT_HASH_HANDLE handle )
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{
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struct hash *hash = handle;
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TRACE( "%p\n", handle );
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if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
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HeapFree( GetProcessHeap(), 0, hash );
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptHashData( BCRYPT_HASH_HANDLE handle, UCHAR *input, ULONG size, ULONG flags )
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{
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struct hash *hash = handle;
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TRACE( "%p, %p, %u, %08x\n", handle, input, size, flags );
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if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
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if (!input) return STATUS_INVALID_PARAMETER;
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return hash_update( hash, input, size );
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}
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NTSTATUS WINAPI BCryptFinishHash( BCRYPT_HASH_HANDLE handle, UCHAR *output, ULONG size, ULONG flags )
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{
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struct hash *hash = handle;
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TRACE( "%p, %p, %u, %08x\n", handle, output, size, flags );
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if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
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if (!output) return STATUS_INVALID_PARAMETER;
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return hash_finish( hash, output, size );
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}
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BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
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{
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switch (reason)
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{
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case DLL_PROCESS_ATTACH:
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instance = hinst;
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DisableThreadLibraryCalls( hinst );
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#if defined(HAVE_GNUTLS_HASH) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
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gnutls_initialize();
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#endif
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break;
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case DLL_PROCESS_DETACH:
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if (reserved) break;
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#if defined(HAVE_GNUTLS_HASH) && !defined(HAVE_COMMONCRYPTO_COMMONDIGEST_H)
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gnutls_uninitialize();
|
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#endif
|
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break;
|
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}
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return TRUE;
|
|
}
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