test: csrdll.h File Reference

00362 { 00363 NTSTATUS Status; 00364 REMOTE_PORT_VIEW ServerView; 00365 ULONG MaxMessageLength; 00366 ULONG ConnectionInformationLength; 00367 CSR_API_CONNECTINFO ConnectionInformation; 00368 SECURITY_QUALITY_OF_SERVICE DynamicQos; 00369 HANDLE PortSection; 00370 PORT_VIEW ClientView; 00371 ULONG n; 00372 LARGE_INTEGER SectionSize; 00373 SID_IDENTIFIER_AUTHORITY NtAuthority = SECURITY_NT_AUTHORITY; 00374 PSID SystemSid; 00375 00376 // 00377 // Create the port name string by combining the passed in object directory 00378 // name with the port name. 00379 // 00380 00381 n = ((wcslen( ObjectDirectory ) + 1) * sizeof( WCHAR )) + 00382 sizeof( CSR_API_PORT_NAME ); 00383 CsrPortName.Length = 0; 00384 CsrPortName.MaximumLength = (USHORT)n; 00385 CsrPortName.Buffer = RtlAllocateHeap( CsrHeap, MAKE_TAG( CSR_TAG ), n ); 00386 if (CsrPortName.Buffer == NULL) { 00387 return( STATUS_NO_MEMORY ); 00388 } 00389 RtlAppendUnicodeToString( &CsrPortName, ObjectDirectory ); 00390 RtlAppendUnicodeToString( &CsrPortName, L"\\" ); 00391 RtlAppendUnicodeToString( &CsrPortName, CSR_API_PORT_NAME ); 00392 00393 // 00394 // Set up the security quality of service parameters to use over the 00395 // port. Use the most efficient (least overhead) - which is dynamic 00396 // rather than static tracking. 00397 // 00398 00399 DynamicQos.ImpersonationLevel = SecurityImpersonation; 00400 DynamicQos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING; 00401 DynamicQos.EffectiveOnly = TRUE; 00402 00403 00404 // 00405 // Create a section to contain the Port Memory. Port Memory is private 00406 // memory that is shared between the client and server processes. 00407 // This allows data that is too large to fit into an API request message 00408 // to be passed to the server. 00409 // 00410 00411 SectionSize.LowPart = CSR_PORT_MEMORY_SIZE; 00412 SectionSize.HighPart = 0; 00413 00414 Status = NtCreateSection( &PortSection, 00415 SECTION_ALL_ACCESS, 00416 NULL, 00417 &SectionSize, 00418 PAGE_READWRITE, 00419 SEC_RESERVE, 00420 NULL 00421 ); 00422 if (!NT_SUCCESS( Status )) { 00423 return( Status ); 00424 } 00425 00426 // 00427 // Connect to the server. This includes a description of the Port Memory 00428 // section so that the LPC connection logic can make the section visible 00429 // to both the client and server processes. Also pass information the 00430 // server needs in the connection information structure. 00431 // 00432 00433 ClientView.Length = sizeof( ClientView ); 00434 ClientView.SectionHandle = PortSection; 00435 ClientView.SectionOffset = 0; 00436 ClientView.ViewSize = SectionSize.LowPart; 00437 ClientView.ViewBase = 0; 00438 ClientView.ViewRemoteBase = 0; 00439 00440 ServerView.Length = sizeof( ServerView ); 00441 ServerView.ViewSize = 0; 00442 ServerView.ViewBase = 0; 00443 00444 ConnectionInformationLength = sizeof( ConnectionInformation ); 00445 ConnectionInformation.ExpectedVersion = CSR_VERSION; 00446 00447 SystemSid = NULL; 00448 Status = RtlAllocateAndInitializeSid( &NtAuthority, 00449 1, 00450 SECURITY_LOCAL_SYSTEM_RID, 00451 0, 0, 0, 0, 0, 0, 0, 00452 &SystemSid 00453 ); 00454 Status = NtSecureConnectPort( &CsrPortHandle, 00455 &CsrPortName, 00456 &DynamicQos, 00457 &ClientView, 00458 SystemSid, 00459 &ServerView, 00460 (PULONG)&MaxMessageLength, 00461 (PVOID)&ConnectionInformation, 00462 (PULONG)&ConnectionInformationLength 00463 ); 00464 RtlFreeSid( SystemSid ); 00465 NtClose( PortSection ); 00466 if (!NT_SUCCESS( Status )) { 00467 IF_DEBUG { 00468 DbgPrint( "CSRDLL: Unable to connect to %wZ Server - Status == %X\n", 00469 &CsrPortName, 00470 Status 00471 ); 00472 } 00473 00474 return( Status ); 00475 } 00476 xProtectHandle(CsrPortHandle); 00477 00478 NtCurrentPeb()->ReadOnlySharedMemoryBase = ConnectionInformation.SharedSectionBase; 00479 NtCurrentPeb()->ReadOnlySharedMemoryHeap = ConnectionInformation.SharedSectionHeap; 00480 NtCurrentPeb()->ReadOnlyStaticServerData = (PVOID *)ConnectionInformation.SharedStaticServerData; 00481 00482 #if DBG 00483 CsrDebug = ConnectionInformation.DebugFlags; 00484 #endif 00485 CsrObjectDirectory = ConnectionInformation.ObjectDirectory; 00486 00487 CsrPortMemoryRemoteDelta = (ULONG_PTR)ClientView.ViewRemoteBase - 00488 (ULONG_PTR)ClientView.ViewBase; 00489 00490 IF_CSR_DEBUG( LPC ) { 00491 DbgPrint( "CSRDLL: ClientView: Base=%p RemoteBase=%p Delta: %lX Size=%lX\n", 00492 ClientView.ViewBase, 00493 ClientView.ViewRemoteBase, 00494 CsrPortMemoryRemoteDelta, 00495 (ULONG)ClientView.ViewSize 00496 ); 00497 } 00498 00499 // 00500 // Create a sparse heap in the share memory section. Initially 00501 // commit just one page. 00502 // 00503 00504 CsrPortHeap = RtlCreateHeap( HEAP_CLASS_8, // Flags 00505 ClientView.ViewBase, // HeapBase 00506 ClientView.ViewSize, // ReserveSize 00507 CsrNtSysInfo.PageSize, // CommitSize 00508 0, // Reserved 00509 0 // GrowthThreshold 00510 ); 00511 if (CsrPortHeap == NULL) { 00512 NtClose( CsrPortHandle ); 00513 CsrPortHandle = NULL; 00514 00515 return( STATUS_NO_MEMORY ); 00516 } 00517 00518 CsrPortBaseTag = RtlCreateTagHeap( CsrPortHeap, 00519 0, 00520 L"CSRPORT!", 00521 L"!CSRPORT\0" 00522 L"CAPTURE\0" 00523 ); 00524 00525 return( STATUS_SUCCESS ); 00526 }


Defines
#define	IF_CSR_DEBUG(ComponentFlag) if (FALSE)
#define	CSR_HEAP_MEMORY_SIZE (64*1024)
#define	CSR_PORT_MEMORY_SIZE 0x10000
#define	ROUND_UP_TO_PAGES(SIZE) (((ULONG)(SIZE) + CsrNtSysInfo.PageSize - 1) & ~(CsrNtSysInfo.PageSize - 1))
#define	ROUND_DOWN_TO_PAGES(SIZE) (((ULONG)(SIZE)) & ~(CsrNtSysInfo.PageSize - 1))
#define	MAKE_CSRPORT_TAG(t) (RTL_HEAP_MAKE_TAG( CsrPortBaseTag, t ))
#define	CAPTURE_TAG 0
#define	CSR_MAX_CLIENT_DLL 16
Functions
BOOLEAN	CsrDllInitialize (IN PVOID DllHandle, IN ULONG Reason, IN PCONTEXT Context OPTIONAL)
NTSTATUS	CsrpConnectToServer (IN PWSTR ObjectDirectory)
Variables
BOOLEAN	CsrInitOnceDone
BOOLEAN	CsrServerProcess
NTSTATUS(*	CsrServerApiRoutine )(PCSR_API_MSG, PCSR_API_MSG)
SYSTEM_BASIC_INFORMATION	CsrNtSysInfo
ULONG	CsrDebugFlag
PVOID	CsrHeap
UNICODE_STRING	CsrPortName
HANDLE	CsrPortHandle
PVOID	CsrPortHeap
ULONG_PTR	CsrPortMemoryRemoteDelta
ULONG	CsrPortBaseTag
HANDLE	CsrDllHandle
HANDLE	CsrObjectDirectory
PCSR_CALLBACK_INFO	CsrLoadedClientDll [CSR_MAX_CLIENT_DLL]

csrdll.h File Reference

Defines

Functions

Variables

Define Documentation

Function Documentation

Variable Documentation