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kernel32: Move the mapping object functions to sync.c. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2018-03-02 10:51:31 +01:00
parent 808693102e
commit c52e3ff249
3 changed files with 140 additions and 194 deletions
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3
dlls/kernel32/kernel_private.h
View File

@ -107,7 +107,4 @@ extern void LOCALE_InitRegistry(void) DECLSPEC_HIDDEN;
/* oldconfig.c */
extern void convert_old_config(void) DECLSPEC_HIDDEN;
/* returns directory handle for named objects */
extern HANDLE get_BaseNamedObjects_handle(void) DECLSPEC_HIDDEN;
#endif

141
dlls/kernel32/sync.c
View File

@ -54,7 +54,7 @@ static inline BOOL is_version_nt(void)
}
/* returns directory handle to \\BaseNamedObjects */
HANDLE get_BaseNamedObjects_handle(void)
static HANDLE get_BaseNamedObjects_handle(void)
{
static HANDLE handle = NULL;
static const WCHAR basenameW[] = {'\\','S','e','s','s','i','o','n','s','\\','%','u',
@ -1253,6 +1253,145 @@ BOOL WINAPI DeleteTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer,
}
/*
* Mappings
*/
/***********************************************************************
* CreateFileMappingA (KERNEL32.@)
*/
HANDLE WINAPI CreateFileMappingA( HANDLE file, SECURITY_ATTRIBUTES *sa, DWORD protect,
DWORD size_high, DWORD size_low, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateFileMappingW( file, sa, protect, size_high, size_low, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateFileMappingW( file, sa, protect, size_high, size_low, buffer );
}
/***********************************************************************
* CreateFileMappingW (KERNEL32.@)
*/
HANDLE WINAPI CreateFileMappingW( HANDLE file, LPSECURITY_ATTRIBUTES sa, DWORD protect,
DWORD size_high, DWORD size_low, LPCWSTR name )
{
static const int sec_flags = (SEC_FILE | SEC_IMAGE | SEC_RESERVE | SEC_COMMIT |
SEC_NOCACHE | SEC_WRITECOMBINE | SEC_LARGE_PAGES);
HANDLE ret;
NTSTATUS status;
DWORD access, sec_type;
LARGE_INTEGER size;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
sec_type = protect & sec_flags;
protect &= ~sec_flags;
if (!sec_type) sec_type = SEC_COMMIT;
/* Win9x compatibility */
if (!protect && !is_version_nt()) protect = PAGE_READONLY;
switch(protect)
{
case PAGE_READONLY:
case PAGE_WRITECOPY:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ;
break;
case PAGE_READWRITE:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE;
break;
case PAGE_EXECUTE_READ:
case PAGE_EXECUTE_WRITECOPY:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_EXECUTE;
break;
case PAGE_EXECUTE_READWRITE:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE | SECTION_MAP_EXECUTE;
break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
size.u.LowPart = size_low;
size.u.HighPart = size_high;
if (file == INVALID_HANDLE_VALUE)
{
file = 0;
if (!size.QuadPart)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
}
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateSection( &ret, access, &attr, &size, protect, sec_type, file );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/***********************************************************************
* OpenFileMappingA (KERNEL32.@)
*/
HANDLE WINAPI OpenFileMappingA( DWORD access, BOOL inherit, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return OpenFileMappingW( access, inherit, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return OpenFileMappingW( access, inherit, buffer );
}
/***********************************************************************
* OpenFileMappingW (KERNEL32.@)
*/
HANDLE WINAPI OpenFileMappingW( DWORD access, BOOL inherit, LPCWSTR name )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
HANDLE ret;
NTSTATUS status;
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
if (access == FILE_MAP_COPY) access = SECTION_MAP_READ;
if (!is_version_nt())
{
/* win9x doesn't do access checks, so try with full access first */
if (!NtOpenSection( &ret, access | SECTION_MAP_READ | SECTION_MAP_WRITE, &attr )) return ret;
}
status = NtOpenSection( &ret, access, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/*
* Pipes
*/

190
dlls/kernel32/virtual.c
View File

@ -298,196 +298,6 @@ SIZE_T WINAPI VirtualQueryEx( HANDLE process, LPCVOID addr,
}
/***********************************************************************
* CreateFileMappingA (KERNEL32.@)
*
* Creates a named or unnamed file-mapping object for the specified file.
*
* PARAMS
* hFile [I] Handle to the file to map.
* sa [I] Optional security attributes.
* protect [I] Protection for mapping object.
* size_high [I] High-order 32 bits of object size.
* size_low [I] Low-order 32 bits of object size.
* name [I] Name of file-mapping object.
*
* RETURNS
* Success: Handle.
* Failure: NULL. Mapping object does not exist.
*/
HANDLE WINAPI CreateFileMappingA( HANDLE hFile, SECURITY_ATTRIBUTES *sa,
DWORD protect, DWORD size_high, DWORD size_low, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateFileMappingW( hFile, sa, protect, size_high, size_low, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateFileMappingW( hFile, sa, protect, size_high, size_low, buffer );
}
/***********************************************************************
* CreateFileMappingW (KERNEL32.@)
*
* See CreateFileMappingA.
*/
HANDLE WINAPI CreateFileMappingW( HANDLE hFile, LPSECURITY_ATTRIBUTES sa,
DWORD protect, DWORD size_high,
DWORD size_low, LPCWSTR name )
{
static const int sec_flags = (SEC_FILE | SEC_IMAGE | SEC_RESERVE | SEC_COMMIT |
SEC_NOCACHE | SEC_WRITECOMBINE | SEC_LARGE_PAGES);
HANDLE ret;
NTSTATUS status;
DWORD access, sec_type;
LARGE_INTEGER size;
sec_type = protect & sec_flags;
protect &= ~sec_flags;
if (!sec_type) sec_type = SEC_COMMIT;
/* Win9x compatibility */
if (!protect && (GetVersion() & 0x80000000)) protect = PAGE_READONLY;
switch(protect)
{
case PAGE_READONLY:
case PAGE_WRITECOPY:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ;
break;
case PAGE_READWRITE:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE;
break;
case PAGE_EXECUTE_READ:
case PAGE_EXECUTE_WRITECOPY:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_EXECUTE;
break;
case PAGE_EXECUTE_READWRITE:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE | SECTION_MAP_EXECUTE;
break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (hFile == INVALID_HANDLE_VALUE)
{
hFile = 0;
if (!size_low && !size_high)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
}
size.u.LowPart = size_low;
size.u.HighPart = size_high;
if (sa || name)
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
status = NtCreateSection( &ret, access, &attr, &size, protect, sec_type, hFile );
}
else status = NtCreateSection( &ret, access, NULL, &size, protect, sec_type, hFile );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/***********************************************************************
* OpenFileMappingA (KERNEL32.@)
*
* Opens a named file-mapping object.
*
* PARAMS
* access [I] Access mode.
* inherit [I] Inherit flag.
* name [I] Name of file-mapping object.
*
* RETURNS
* Success: Handle.
* Failure: NULL.
*/
HANDLE WINAPI OpenFileMappingA( DWORD access, BOOL inherit, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return OpenFileMappingW( access, inherit, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return OpenFileMappingW( access, inherit, buffer );
}
/***********************************************************************
* OpenFileMappingW (KERNEL32.@)
*
* See OpenFileMappingA.
*/
HANDLE WINAPI OpenFileMappingW( DWORD access, BOOL inherit, LPCWSTR name)
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
HANDLE ret;
NTSTATUS status;
if (!name)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
attr.Length = sizeof(attr);
attr.RootDirectory = get_BaseNamedObjects_handle();
attr.ObjectName = &nameW;
attr.Attributes = inherit ? OBJ_INHERIT : 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, name );
if (access == FILE_MAP_COPY) access = SECTION_MAP_READ;
if (GetVersion() & 0x80000000)
{
/* win9x doesn't do access checks, so try with full access first */
if (!NtOpenSection( &ret, access | SECTION_MAP_READ | SECTION_MAP_WRITE, &attr )) return ret;
}
if ((status = NtOpenSection( &ret, access, &attr )))
{
SetLastError( RtlNtStatusToDosError(status) );
ret = 0;
}
return ret;
}
/***********************************************************************
* MapViewOfFile (KERNEL32.@)
*