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[NTOSKRNL] Partly implement FsRtlRegisterUncProvider/FsRtlDeregisterUncProvider

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Currently only support one UNC provider at the time. Also disable mup.sys, which is not used for now.


svn path=/trunk/; revision=64358
This commit is contained in:
Hervé Poussineau 2014-09-27 21:07:48 +00:00
parent e9efd5b152
commit 36fed67fe3
2 changed files with 79 additions and 12 deletions
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14
reactos/boot/bootdata/hivesys.inf
View file

@ -1266,7 +1266,7 @@ HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices","MAILSLOT",0
HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices","NUL",0x00000000,"\Device\Null"
HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices","PIPE",0x00000000,"\Device\NamedPipe"
HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices","PRN",0x00000000,"\DosDevices\LPT1"
HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices","UNC",0x00000000,"\Device\Mup"
;HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices","UNC",0x00000000,"\Device\Mup"
; System environment settings
HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\Environment","ComSpec",0x00020000,"%SystemRoot%\system32\cmd.exe"
@ -1509,13 +1509,13 @@ HKLM,"SYSTEM\CurrentControlSet\Services\Msfs","Start",0x00010001,0x00000001
HKLM,"SYSTEM\CurrentControlSet\Services\Msfs","Type",0x00010001,0x00000002
; Multiple UNC provider driver
HKLM,"SYSTEM\CurrentControlSet\Services\Mup","Description",0x00000000,"Multiple UNC Provider (MUP)"
HKLM,"SYSTEM\CurrentControlSet\Services\Mup","ErrorControl",0x00010001,0x00000001
;HKLM,"SYSTEM\CurrentControlSet\Services\Mup","Description",0x00000000,"Multiple UNC Provider (MUP)"
;HKLM,"SYSTEM\CurrentControlSet\Services\Mup","ErrorControl",0x00010001,0x00000001
;HKLM,"SYSTEM\CurrentControlSet\Services\Mup","Group",0x00000000,"Network"
HKLM,"SYSTEM\CurrentControlSet\Services\Mup","Group",0x00000000,"File System"
HKLM,"SYSTEM\CurrentControlSet\Services\Mup","ImagePath",0x00020000,"system32\drivers\mup.sys"
HKLM,"SYSTEM\CurrentControlSet\Services\Mup","Start",0x00010001,0x00000000
HKLM,"SYSTEM\CurrentControlSet\Services\Mup","Type",0x00010001,0x00000002
;HKLM,"SYSTEM\CurrentControlSet\Services\Mup","Group",0x00000000,"File System"
;HKLM,"SYSTEM\CurrentControlSet\Services\Mup","ImagePath",0x00020000,"system32\drivers\mup.sys"
;HKLM,"SYSTEM\CurrentControlSet\Services\Mup","Start",0x00010001,0x00000000
;HKLM,"SYSTEM\CurrentControlSet\Services\Mup","Type",0x00010001,0x00000002
; NDIS driver - the only boot-start network driver
HKLM,"SYSTEM\CurrentControlSet\Services\Ndis","ErrorControl",0x00010001,0x00000001

77
reactos/ntoskrnl/fsrtl/unc.c
View file

@ -32,8 +32,18 @@ VOID
NTAPI
FsRtlDeregisterUncProvider(IN HANDLE Handle)
{
/* Unimplemented */
KeBugCheck(FILE_SYSTEM);
UNICODE_STRING DosDevicesUNC = RTL_CONSTANT_STRING(L"\\DosDevices\\UNC");
DPRINT("FsRtlDeregisterUncProvider: Handle=%p\n", Handle);
//
// Normal implementation should look like:
// - notify mup.sys?
// - at last deregistration, destroy \DosDevices\UNC symbolic link
//
ZwClose(Handle);
IoDeleteSymbolicLink(&DosDevicesUNC);
}
/*++
@ -61,7 +71,64 @@ FsRtlRegisterUncProvider(IN OUT PHANDLE Handle,
IN PUNICODE_STRING RedirectorDeviceName,
IN BOOLEAN MailslotsSupported)
{
/* Unimplemented */
KeBugCheck(FILE_SYSTEM);
return STATUS_NOT_IMPLEMENTED;
UNICODE_STRING DevNull = RTL_CONSTANT_STRING(L"\\Device\\Null");
UNICODE_STRING DosDevicesUNC = RTL_CONSTANT_STRING(L"\\DosDevices\\UNC");
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK Iosb;
HANDLE FileHandle;
NTSTATUS Status;
DPRINT("FsRtlRegisterUncProvider: Redirector=%wZ MailslotsSupported=%d\n",
RedirectorDeviceName, MailslotsSupported);
//
// Current implementation is a hack, as it only supports one UNC provider.
// However, it doesn't require to have a functional mup.sys driver.
//
//
// Normal implementation should look like:
// - at registration 1, creates symlink \DosDevices\UNC to new provider;
// returns handle to \Device\Null
// - at registration 2, load mup.sys, register both providers to mup.sys
// and change \DosDevices\UNC to DD_MUP_DEVICE_NAME;
// returns handle to new provider
// - at next registrations, register provider to mup.sys;
// returns handle to new provider
//
*Handle = (HANDLE)-1;
InitializeObjectAttributes(&ObjectAttributes,
&DevNull,
OBJ_KERNEL_HANDLE,
NULL,
NULL);
Status = ZwCreateFile(&FileHandle,
GENERIC_WRITE,
&ObjectAttributes,
&Iosb,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_OPEN,
0,
NULL,
0);
if (!NT_SUCCESS(Status))
{
DPRINT("Failed to open %wZ\n", &DevNull);
return Status;
}
Status = IoCreateSymbolicLink(&DosDevicesUNC, RedirectorDeviceName);
if (!NT_SUCCESS(Status))
{
DPRINT("Failed to create symbolic link %wZ -> %wZ\n", &DosDevicesUNC, RedirectorDeviceName);
DPRINT1("FIXME: multiple unc provider registered?\n");
ZwClose(FileHandle);
return Status;
}
*Handle = FileHandle;
return STATUS_SUCCESS;
}