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kernel32: Set the 64-bit flag for builtin executables based on their load directory.

This commit is contained in:
Alexandre Julliard 2009-10-27 20:40:40 +01:00
parent 4313c95526
commit c9e25dbe35
1 changed files with 52 additions and 36 deletions
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88
dlls/kernel32/process.c
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@ -125,15 +125,34 @@ static inline int is_special_env_var( const char *var )
}
/***********************************************************************
* is_path_prefix
*/
static inline unsigned int is_path_prefix( const WCHAR *prefix, const WCHAR *filename )
{
unsigned int len = strlenW( prefix );
if (strncmpiW( filename, prefix, len ) || filename[len] != '\\') return 0;
while (filename[len] == '\\') len++;
return len;
}
/***************************************************************************
* get_builtin_path
*
* Get the path of a builtin module when the native file does not exist.
*/
static BOOL get_builtin_path( const WCHAR *libname, const WCHAR *ext, WCHAR *filename, UINT size )
static BOOL get_builtin_path( const WCHAR *libname, const WCHAR *ext, WCHAR *filename,
UINT size, struct binary_info *binary_info )
{
WCHAR *file_part;
UINT len = strlenW( DIR_System );
UINT len;
void *redir_disabled = 0;
unsigned int flags = (sizeof(void*) > sizeof(int) ? BINARY_FLAG_64BIT : 0);
if (is_wow64 && Wow64DisableWow64FsRedirection( &redir_disabled ))
Wow64RevertWow64FsRedirection( redir_disabled );
if (contains_path( libname ))
{
@ -141,18 +160,27 @@ static BOOL get_builtin_path( const WCHAR *libname, const WCHAR *ext, WCHAR *fil
filename, &file_part ) > size * sizeof(WCHAR))
return FALSE; /* too long */
if (strncmpiW( filename, DIR_System, len ) || filename[len] != '\\')
return FALSE;
while (filename[len] == '\\') len++;
if ((len = is_path_prefix( DIR_System, filename )))
{
if (is_wow64 && redir_disabled) flags = BINARY_FLAG_64BIT;
}
else if (DIR_SysWow64 && (len = is_path_prefix( DIR_SysWow64, filename )))
{
flags = 0;
}
else return FALSE;
if (filename + len != file_part) return FALSE;
}
else
{
len = strlenW( DIR_System );
if (strlenW(libname) + len + 2 >= size) return FALSE; /* too long */
memcpy( filename, DIR_System, len * sizeof(WCHAR) );
file_part = filename + len;
if (file_part > filename && file_part[-1] != '\\') *file_part++ = '\\';
strcpyW( file_part, libname );
if (is_wow64 && redir_disabled) flags = BINARY_FLAG_64BIT;
}
if (ext && !strchrW( file_part, '.' ))
{
@ -160,6 +188,10 @@ static BOOL get_builtin_path( const WCHAR *libname, const WCHAR *ext, WCHAR *fil
return FALSE; /* too long */
strcatW( file_part, ext );
}
binary_info->type = BINARY_UNIX_LIB;
binary_info->flags = flags;
binary_info->res_start = NULL;
binary_info->res_end = NULL;
return TRUE;
}
@ -210,14 +242,8 @@ static HANDLE open_exe_file( const WCHAR *name, struct binary_info *binary_info
{
WCHAR buffer[MAX_PATH];
/* file doesn't exist, check for builtin */
if (contains_path( name ) && get_builtin_path( name, NULL, buffer, sizeof(buffer) ))
{
if (contains_path( name ) && get_builtin_path( name, NULL, buffer, sizeof(buffer), binary_info ))
handle = 0;
binary_info->type = BINARY_UNIX_LIB;
binary_info->flags = 0;
binary_info->res_start = NULL;
binary_info->res_end = NULL;
}
}
else MODULE_get_binary_info( handle, binary_info );
@ -241,22 +267,23 @@ static BOOL find_exe_file( const WCHAR *name, WCHAR *buffer, int buflen,
TRACE("looking for %s\n", debugstr_w(name) );
if (!SearchPathW( NULL, name, exeW, buflen, buffer, NULL ) &&
!get_builtin_path( name, exeW, buffer, buflen ))
if (!SearchPathW( NULL, name, exeW, buflen, buffer, NULL ))
{
/* no builtin found, try native without extension in case it is a Unix app */
if (SearchPathW( NULL, name, NULL, buflen, buffer, NULL ))
if (get_builtin_path( name, exeW, buffer, buflen, binary_info ))
{
TRACE( "Trying native/Unix binary %s\n", debugstr_w(buffer) );
if ((*handle = CreateFileW( buffer, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_DELETE,
NULL, OPEN_EXISTING, 0, 0 )) != INVALID_HANDLE_VALUE)
TRACE( "Trying built-in exe %s\n", debugstr_w(buffer) );
open_builtin_exe_file( buffer, NULL, 0, 1, &file_exists );
if (file_exists)
{
MODULE_get_binary_info( *handle, binary_info );
*handle = 0;
return TRUE;
}
return FALSE;
}
return FALSE;
/* no builtin found, try native without extension in case it is a Unix app */
if (!SearchPathW( NULL, name, NULL, buflen, buffer, NULL )) return FALSE;
}
TRACE( "Trying native exe %s\n", debugstr_w(buffer) );
@ -266,19 +293,6 @@ static BOOL find_exe_file( const WCHAR *name, WCHAR *buffer, int buflen,
MODULE_get_binary_info( *handle, binary_info );
return TRUE;
}
TRACE( "Trying built-in exe %s\n", debugstr_w(buffer) );
open_builtin_exe_file( buffer, NULL, 0, 1, &file_exists );
if (file_exists)
{
*handle = 0;
binary_info->type = BINARY_UNIX_LIB;
binary_info->flags = 0;
binary_info->res_start = NULL;
binary_info->res_end = NULL;
return TRUE;
}
return FALSE;
}
@ -1102,8 +1116,10 @@ void CDECL __wine_kernel_init(void)
}
else
{
struct binary_info binary_info;
if (!SearchPathW( NULL, __wine_main_wargv[0], exeW, MAX_PATH, main_exe_name, NULL ) &&
!get_builtin_path( __wine_main_wargv[0], exeW, main_exe_name, MAX_PATH ))
!get_builtin_path( __wine_main_wargv[0], exeW, main_exe_name, MAX_PATH, &binary_info ))
{
MESSAGE( "wine: cannot find '%s'\n", __wine_main_argv[0] );
ExitProcess( GetLastError() );