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ntoskrnl: Build a more intelligent and correct RegistryPath if possible. 

Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Aric Stewart 2016-07-22 13:45:21 -05:00 committed by Alexandre Julliard
parent 1110eccafb
commit 2ffaaee1cf
1 changed files with 31 additions and 2 deletions
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33
dlls/ntoskrnl.exe/ntoskrnl.c
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@ -817,6 +817,34 @@ PIRP WINAPI IoBuildSynchronousFsdRequest(ULONG majorfunc, PDEVICE_OBJECT device,
return irp;
}
static void build_driver_keypath( const WCHAR *name, UNICODE_STRING *keypath )
{
static const WCHAR driverW[] = {'\\','D','r','i','v','e','r','\\',0};
static const WCHAR servicesW[] = {'\\','R','e','g','i','s','t','r','y',
'\\','M','a','c','h','i','n','e',
'\\','S','y','s','t','e','m',
'\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t',
'\\','S','e','r','v','i','c','e','s',
'\\',0};
WCHAR *str;
/* Check what prefix is present */
if (strncmpW( name, servicesW, strlenW(servicesW) ) == 0)
{
FIXME( "Driver name %s is malformed as the keypath\n", debugstr_w(name) );
RtlCreateUnicodeString( keypath, name );
return;
}
if (strncmpW( name, driverW, strlenW(driverW) ) == 0)
name += strlenW(driverW);
else
FIXME( "Driver name %s does not properly begin with \\Driver\\", debugstr_w(name) );
str = HeapAlloc( GetProcessHeap(), 0, sizeof(servicesW) + strlenW(name)*sizeof(WCHAR));
lstrcpyW( str, servicesW );
lstrcatW( str, name );
RtlInitUnicodeString( keypath, str );
}
/***********************************************************************
* IoCreateDriver (NTOSKRNL.EXE.@)
@ -844,9 +872,9 @@ NTSTATUS WINAPI IoCreateDriver( UNICODE_STRING *name, PDRIVER_INITIALIZE init )
driver->DriverInit = init;
driver->DriverExtension = extension;
extension->DriverObject = driver;
extension->ServiceKeyName = driver->DriverName;
build_driver_keypath( driver->DriverName.Buffer, &extension->ServiceKeyName );
status = driver->DriverInit( driver, name );
status = driver->DriverInit( driver, &extension->ServiceKeyName );
if (status)
{
@ -865,6 +893,7 @@ void WINAPI IoDeleteDriver( DRIVER_OBJECT *driver )
TRACE("(%p)\n", driver);
RtlFreeUnicodeString( &driver->DriverName );
RtlFreeUnicodeString( &driver->DriverExtension->ServiceKeyName );
RtlFreeHeap( GetProcessHeap(), 0, driver );
}