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svn: eol-style + keywords

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svn path=/trunk/; revision=18051
This commit is contained in:
Emanuele Aliberti 2005-09-25 13:43:33 +00:00
parent 294b660b25
commit 887b19bebf
3 changed files with 530 additions and 527 deletions
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179
reactos/lib/ntdll/csr/api.c
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@ -1,89 +1,90 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: lib/ntdll/csr/api.c
* PURPOSE: CSR APIs exported through NTDLL
* PROGRAMMER: Alex Ionescu (alex@relsoft.net)
*/
/* INCLUDES *****************************************************************/
#include <ntdll.h>
#define NDEBUG
#include <debug.h>
/* GLOBALS *******************************************************************/
extern HANDLE CsrApiPort;
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrNewThread(VOID)
{
/* Register the termination port to CSR's */
return NtRegisterThreadTerminatePort(CsrApiPort);
}
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrSetPriorityClass(HANDLE hProcess,
PULONG PriorityClass)
{
NTSTATUS Status;
CSR_API_MESSAGE2 ApiMessage; /* <- Remove the "2" when CSR is commited */
PCSR_SET_PRIORITY_CLASS SetPriorityClass = &ApiMessage.SetPriorityClass;
/* Set up the data for CSR */
DbgBreakPoint();
SetPriorityClass->hProcess = hProcess;
SetPriorityClass->PriorityClass = *PriorityClass;
/* Call it */
Status = CsrClientCallServer((PCSR_API_MESSAGE)&ApiMessage,
NULL,
CSR_MAKE_OPCODE(CsrSrvSetPriorityClass,
CSR_SRV_SERVER),
sizeof(CSR_SET_PRIORITY_CLASS));
/* Return what we got, if requested */
if (*PriorityClass) *PriorityClass = SetPriorityClass->PriorityClass;
/* Return to caller */
return Status;
}
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrIdentifyAlertableThread (VOID)
{
NTSTATUS Status;
CSR_API_MESSAGE2 ApiMessage; /* <- Remove the "2" when CSR is commited */
PCSR_IDENTIFY_ALTERTABLE_THREAD IdentifyAlertableThread;
/* Set up the data for CSR */
DbgBreakPoint();
IdentifyAlertableThread = &ApiMessage.IdentifyAlertableThread;
IdentifyAlertableThread->Cid = NtCurrentTeb()->Cid;
/* Call it */
Status = CsrClientCallServer((PCSR_API_MESSAGE)&ApiMessage,
NULL,
CSR_MAKE_OPCODE(CsrSrvIdentifyAlertableThread,
CSR_SRV_SERVER),
sizeof(CSR_SET_PRIORITY_CLASS));
/* Return to caller */
return Status;
}
/* EOF */
/* $Id$
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: lib/ntdll/csr/api.c
* PURPOSE: CSR APIs exported through NTDLL
* PROGRAMMER: Alex Ionescu (alex@relsoft.net)
*/
/* INCLUDES *****************************************************************/
#include <ntdll.h>
#define NDEBUG
#include <debug.h>
/* GLOBALS *******************************************************************/
extern HANDLE CsrApiPort;
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrNewThread(VOID)
{
/* Register the termination port to CSR's */
return NtRegisterThreadTerminatePort(CsrApiPort);
}
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrSetPriorityClass(HANDLE hProcess,
PULONG PriorityClass)
{
NTSTATUS Status;
CSR_API_MESSAGE2 ApiMessage; /* <- Remove the "2" when CSR is commited */
PCSR_SET_PRIORITY_CLASS SetPriorityClass = &ApiMessage.SetPriorityClass;
/* Set up the data for CSR */
DbgBreakPoint();
SetPriorityClass->hProcess = hProcess;
SetPriorityClass->PriorityClass = *PriorityClass;
/* Call it */
Status = CsrClientCallServer((PCSR_API_MESSAGE)&ApiMessage,
NULL,
CSR_MAKE_OPCODE(CsrSrvSetPriorityClass,
CSR_SRV_SERVER),
sizeof(CSR_SET_PRIORITY_CLASS));
/* Return what we got, if requested */
if (*PriorityClass) *PriorityClass = SetPriorityClass->PriorityClass;
/* Return to caller */
return Status;
}
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrIdentifyAlertableThread (VOID)
{
NTSTATUS Status;
CSR_API_MESSAGE2 ApiMessage; /* <- Remove the "2" when CSR is commited */
PCSR_IDENTIFY_ALTERTABLE_THREAD IdentifyAlertableThread;
/* Set up the data for CSR */
DbgBreakPoint();
IdentifyAlertableThread = &ApiMessage.IdentifyAlertableThread;
IdentifyAlertableThread->Cid = NtCurrentTeb()->Cid;
/* Call it */
Status = CsrClientCallServer((PCSR_API_MESSAGE)&ApiMessage,
NULL,
CSR_MAKE_OPCODE(CsrSrvIdentifyAlertableThread,
CSR_SRV_SERVER),
sizeof(CSR_SET_PRIORITY_CLASS));
/* Return to caller */
return Status;
}
/* EOF */

3
reactos/lib/ntdll/csr/capture.c
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@ -1,4 +1,5 @@
/*
/* $Id$
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: lib/ntdll/csr/capture.c

875
reactos/lib/ntdll/csr/connect.c
View file

@ -1,437 +1,438 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: lib/ntdll/csr/connect.c
* PURPOSE: Routines for connecting and calling CSR
* PROGRAMMER: Alex Ionescu (alex@relsoft.net)
*/
/* INCLUDES *****************************************************************/
#include <ntdll.h>
#define NDEBUG
#include <debug.h>
/* GLOBALS *******************************************************************/
HANDLE CsrApiPort;
HANDLE CsrProcessId;
HANDLE CsrPortHeap;
ULONG_PTR CsrPortMemoryDelta;
BOOLEAN InsideCsrProcess = FALSE;
BOOLEAN UsingOldCsr = TRUE;
typedef NTSTATUS
(NTAPI *PCSR_SERVER_API_ROUTINE)(IN PPORT_MESSAGE Request,
IN PPORT_MESSAGE Reply);
PCSR_SERVER_API_ROUTINE CsrServerApiRoutine;
#define UNICODE_PATH_SEP L"\\"
#define CSR_PORT_NAME L"ApiPort"
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
HANDLE
NTAPI
CsrGetProcessId(VOID)
{
return CsrProcessId;
}
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrClientCallServer(PCSR_API_MESSAGE ApiMessage,
PCSR_CAPTURE_BUFFER CaptureBuffer OPTIONAL,
CSR_API_NUMBER ApiNumber,
ULONG RequestLength)
{
NTSTATUS Status;
ULONG PointerCount;
PULONG_PTR Pointers;
ULONG_PTR CurrentPointer;
DPRINT("CsrClientCallServer\n");
/* Fill out the Port Message Header */
ApiMessage->Header.u1.s1.DataLength = RequestLength - sizeof(PORT_MESSAGE);
ApiMessage->Header.u1.s1.TotalLength = RequestLength;
/* Fill out the CSR Header */
ApiMessage->Type = ApiNumber;
//ApiMessage->Opcode = ApiNumber; <- Activate with new CSR
ApiMessage->CsrCaptureData = NULL;
DPRINT("API: %x, u1.s1.DataLength: %x, u1.s1.TotalLength: %x\n",
ApiNumber,
ApiMessage->Header.u1.s1.DataLength,
ApiMessage->Header.u1.s1.TotalLength);
/* Check if we are already inside a CSR Server */
if (!InsideCsrProcess)
{
/* Check if we got a a Capture Buffer */
if (CaptureBuffer)
{
/* We have to convert from our local view to the remote view */
DPRINT1("Converting CaptureBuffer\n");
ApiMessage->CsrCaptureData = (PVOID)((ULONG_PTR)CaptureBuffer +
CsrPortMemoryDelta);
/* Lock the buffer */
CaptureBuffer->BufferEnd = 0;
/* Get the pointer information */
PointerCount = CaptureBuffer->PointerCount;
Pointers = CaptureBuffer->PointerArray;
/* Loop through every pointer and convert it */
while (PointerCount--)
{
/* Get this pointer and check if it's valid */
if ((CurrentPointer = *Pointers++))
{
/* Update it */
*(PULONG_PTR)CurrentPointer += CsrPortMemoryDelta;
Pointers[-1] = CurrentPointer - (ULONG_PTR)ApiMessage;
}
}
}
/* Send the LPC Message */
Status = NtRequestWaitReplyPort(CsrApiPort,
&ApiMessage->Header,
&ApiMessage->Header);
/* Check if we got a a Capture Buffer */
if (CaptureBuffer)
{
/* We have to convert from the remote view to our remote view */
DPRINT1("Reconverting CaptureBuffer\n");
ApiMessage->CsrCaptureData = (PVOID)((ULONG_PTR)
ApiMessage->CsrCaptureData -
CsrPortMemoryDelta);
/* Get the pointer information */
PointerCount = CaptureBuffer->PointerCount;
Pointers = CaptureBuffer->PointerArray;
/* Loop through every pointer and convert it */
while (PointerCount--)
{
/* Get this pointer and check if it's valid */
if ((CurrentPointer = *Pointers++))
{
/* Update it */
CurrentPointer += (ULONG_PTR)ApiMessage;
Pointers[-1] = CurrentPointer;
*(PULONG_PTR)CurrentPointer -= CsrPortMemoryDelta;
}
}
}
/* Check for success */
if (!NT_SUCCESS(Status))
{
/* We failed. Overwrite the return value with the failure */
DPRINT1("LPC Failed: %lx\n", Status);
ApiMessage->Status = Status;
}
}
else
{
/* This is a server-to-server call. Save our CID and do a direct call */
DbgBreakPoint();
ApiMessage->Header.ClientId = NtCurrentTeb()->Cid;
Status = CsrServerApiRoutine(&ApiMessage->Header,
&ApiMessage->Header);
/* Check for success */
if (!NT_SUCCESS(Status))
{
/* We failed. Overwrite the return value with the failure */
ApiMessage->Status = Status;
}
}
/* Return the CSR Result */
DPRINT("Got back: %x\n", ApiMessage->Status);
return ApiMessage->Status;
}
NTSTATUS
NTAPI
CsrConnectToServer(IN PWSTR ObjectDirectory)
{
ULONG PortNameLength;
UNICODE_STRING PortName;
LARGE_INTEGER CsrSectionViewSize;
NTSTATUS Status;
HANDLE CsrSectionHandle;
PORT_VIEW LpcWrite;
REMOTE_PORT_VIEW LpcRead;
SECURITY_QUALITY_OF_SERVICE SecurityQos;
SID_IDENTIFIER_AUTHORITY NtSidAuthority = {SECURITY_NT_AUTHORITY};
PSID SystemSid = NULL;
CSR_CONNECTION_INFO ConnectionInfo;
ULONG ConnectionInfoLength = sizeof(CSR_CONNECTION_INFO);
DPRINT("%s(%S)\n", __FUNCTION__, ObjectDirectory);
/* Binary compatibility with MS KERNEL32 */
if (NULL == ObjectDirectory)
{
ObjectDirectory = L"\\Windows";
}
/* Calculate the total port name size */
PortNameLength = ((wcslen(ObjectDirectory) + 1) * sizeof(WCHAR)) +
sizeof(CSR_PORT_NAME);
/* Set the port name */
PortName.Length = 0;
PortName.MaximumLength = PortNameLength;
/* Allocate a buffer for it */
PortName.Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, PortNameLength);
/* Create the name */
RtlAppendUnicodeToString(&PortName, ObjectDirectory );
RtlAppendUnicodeToString(&PortName, UNICODE_PATH_SEP);
RtlAppendUnicodeToString(&PortName, CSR_PORT_NAME);
/* Create a section for the port memory */
CsrSectionViewSize.QuadPart = CSR_CSRSS_SECTION_SIZE;
Status = NtCreateSection(&CsrSectionHandle,
SECTION_ALL_ACCESS,
NULL,
&CsrSectionViewSize,
PAGE_READWRITE,
SEC_COMMIT,
NULL);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failure allocating CSR Section\n");
return Status;
}
/* Set up the port view structures to match them with the section */
LpcWrite.Length = sizeof(PORT_VIEW);
LpcWrite.SectionHandle = CsrSectionHandle;
LpcWrite.SectionOffset = 0;
LpcWrite.ViewSize = CsrSectionViewSize.u.LowPart;
LpcWrite.ViewBase = 0;
LpcWrite.ViewRemoteBase = 0;
LpcRead.Length = sizeof(REMOTE_PORT_VIEW);
LpcRead.ViewSize = 0;
LpcRead.ViewBase = 0;
/* Setup the QoS */
SecurityQos.ImpersonationLevel = SecurityImpersonation;
SecurityQos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
SecurityQos.EffectiveOnly = TRUE;
/* Setup the connection info */
ConnectionInfo.Version = 0x10000;
/* Create a SID for us */
Status = RtlAllocateAndInitializeSid(&NtSidAuthority,
1,
SECURITY_LOCAL_SYSTEM_RID,
0,
0,
0,
0,
0,
0,
0,
&SystemSid);
/* Connect to the port */
Status = NtSecureConnectPort(&CsrApiPort,
&PortName,
&SecurityQos,
&LpcWrite,
SystemSid,
&LpcRead,
NULL,
&ConnectionInfo,
&ConnectionInfoLength);
NtClose(CsrSectionHandle);
if (!NT_SUCCESS(Status))
{
/* Failure */
DPRINT1("Couldn't connect to CSR port\n");
return Status;
}
/* Save the delta between the sections, for capture usage later */
CsrPortMemoryDelta = (ULONG_PTR)LpcWrite.ViewRemoteBase -
(ULONG_PTR)LpcWrite.ViewBase;
/* Save the Process */
CsrProcessId = ConnectionInfo.ProcessId;
/* Save CSR Section data */
NtCurrentPeb()->ReadOnlySharedMemoryBase = ConnectionInfo.SharedSectionBase;
NtCurrentPeb()->ReadOnlySharedMemoryHeap = ConnectionInfo.SharedSectionHeap;
NtCurrentPeb()->ReadOnlyStaticServerData = ConnectionInfo.SharedSectionData;
/* Create the port heap */
CsrPortHeap = RtlCreateHeap(0,
LpcWrite.ViewBase,
LpcWrite.ViewSize,
PAGE_SIZE,
0,
0);
/* Return success */
return STATUS_SUCCESS;
}
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrClientConnectToServer(PWSTR ObjectDirectory,
ULONG ServerId,
PVOID ConnectionInfo,
PULONG ConnectionInfoSize,
PBOOLEAN ServerToServerCall)
{
NTSTATUS Status;
PIMAGE_NT_HEADERS NtHeader;
UNICODE_STRING CsrSrvName;
HANDLE hCsrSrv;
ANSI_STRING CsrServerRoutineName;
PCSR_CAPTURE_BUFFER CaptureBuffer;
CSR_API_MESSAGE RosApiMessage;
CSR_API_MESSAGE2 ApiMessage;
PCSR_CLIENT_CONNECT ClientConnect = &ApiMessage.ClientConnect;
/* Validate the Connection Info */
DPRINT("CsrClientConnectToServer: %lx %p\n", ServerId, ConnectionInfo);
if (ConnectionInfo && (!ConnectionInfoSize || !*ConnectionInfoSize))
{
DPRINT1("Connection info given, but no length\n");
return STATUS_INVALID_PARAMETER;
}
/* Check if we're inside a CSR Process */
if (InsideCsrProcess)
{
/* Tell the client that we're already inside CSR */
if (ServerToServerCall) *ServerToServerCall = TRUE;
return STATUS_SUCCESS;
}
/*
* We might be in a CSR Process but not know it, if this is the first call.
* So let's find out.
*/
if (!(NtHeader = RtlImageNtHeader(NtCurrentPeb()->ImageBaseAddress)))
{
/* The image isn't valid */
DPRINT1("Invalid image\n");
return STATUS_INVALID_IMAGE_FORMAT;
}
InsideCsrProcess = (NtHeader->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_NATIVE);
/* Now we can check if we are inside or not */
if (InsideCsrProcess && !UsingOldCsr)
{
/* We're inside, so let's find csrsrv */
DbgBreakPoint();
RtlInitUnicodeString(&CsrSrvName, L"csrsrv");
Status = LdrGetDllHandle(NULL,
NULL,
&CsrSrvName,
&hCsrSrv);
RtlFreeUnicodeString(&CsrSrvName);
/* Now get the Server to Server routine */
RtlInitAnsiString(&CsrServerRoutineName, "CsrCallServerFromServer");
Status = LdrGetProcedureAddress(hCsrSrv,
&CsrServerRoutineName,
0L,
(PVOID*)&CsrServerApiRoutine);
/* Use the local heap as port heap */
CsrPortHeap = RtlGetProcessHeap();
/* Tell the caller we're inside the server */
*ServerToServerCall = InsideCsrProcess;
return STATUS_SUCCESS;
}
/* Now check if connection info is given */
if (ConnectionInfo)
{
/* Well, we're defintely in a client now */
InsideCsrProcess = FALSE;
/* Do we have a connection to CSR yet? */
if (!CsrApiPort)
{
/* No, set it up now */
if (!NT_SUCCESS(Status = CsrConnectToServer(ObjectDirectory)))
{
/* Failed */
DPRINT1("Failure to connect to CSR\n");
return Status;
}
}
/* Setup the connect message header */
ClientConnect->ServerId = ServerId;
ClientConnect->ConnectionInfoSize = *ConnectionInfoSize;
/* Setup a buffer for the connection info */
CaptureBuffer = CsrAllocateCaptureBuffer(1,
ClientConnect->ConnectionInfoSize);
/* Allocate a pointer for the connection info*/
CsrAllocateMessagePointer(CaptureBuffer,
ClientConnect->ConnectionInfoSize,
&ClientConnect->ConnectionInfo);
/* Copy the data into the buffer */
RtlMoveMemory(ClientConnect->ConnectionInfo,
ConnectionInfo,
ClientConnect->ConnectionInfoSize);
/* Return the allocated length */
*ConnectionInfoSize = ClientConnect->ConnectionInfoSize;
/* Call CSR */
#if 0
Status = CsrClientCallServer(&ApiMessage,
CaptureBuffer,
CSR_MAKE_OPCODE(CsrSrvClientConnect,
CSR_SRV_DLL),
sizeof(CSR_CLIENT_CONNECT));
#endif
Status = CsrClientCallServer(&RosApiMessage,
NULL,
MAKE_CSR_API(CONNECT_PROCESS, CSR_NATIVE),
sizeof(CSR_API_MESSAGE));
}
else
{
/* No connection info, just return */
Status = STATUS_SUCCESS;
}
/* Let the caller know if this was server to server */
DPRINT("Status was: %lx. Are we in server: %lx\n", Status, InsideCsrProcess);
if (ServerToServerCall) *ServerToServerCall = InsideCsrProcess;
return Status;
}
/* EOF */
/* $Id$
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: lib/ntdll/csr/connect.c
* PURPOSE: Routines for connecting and calling CSR
* PROGRAMMER: Alex Ionescu (alex@relsoft.net)
*/
/* INCLUDES *****************************************************************/
#include <ntdll.h>
#define NDEBUG
#include <debug.h>
/* GLOBALS *******************************************************************/
HANDLE CsrApiPort;
HANDLE CsrProcessId;
HANDLE CsrPortHeap;
ULONG_PTR CsrPortMemoryDelta;
BOOLEAN InsideCsrProcess = FALSE;
BOOLEAN UsingOldCsr = TRUE;
typedef NTSTATUS
(NTAPI *PCSR_SERVER_API_ROUTINE)(IN PPORT_MESSAGE Request,
IN PPORT_MESSAGE Reply);
PCSR_SERVER_API_ROUTINE CsrServerApiRoutine;
#define UNICODE_PATH_SEP L"\\"
#define CSR_PORT_NAME L"ApiPort"
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
HANDLE
NTAPI
CsrGetProcessId(VOID)
{
return CsrProcessId;
}
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrClientCallServer(PCSR_API_MESSAGE ApiMessage,
PCSR_CAPTURE_BUFFER CaptureBuffer OPTIONAL,
CSR_API_NUMBER ApiNumber,
ULONG RequestLength)
{
NTSTATUS Status;
ULONG PointerCount;
PULONG_PTR Pointers;
ULONG_PTR CurrentPointer;
DPRINT("CsrClientCallServer\n");
/* Fill out the Port Message Header */
ApiMessage->Header.u1.s1.DataLength = RequestLength - sizeof(PORT_MESSAGE);
ApiMessage->Header.u1.s1.TotalLength = RequestLength;
/* Fill out the CSR Header */
ApiMessage->Type = ApiNumber;
//ApiMessage->Opcode = ApiNumber; <- Activate with new CSR
ApiMessage->CsrCaptureData = NULL;
DPRINT("API: %x, u1.s1.DataLength: %x, u1.s1.TotalLength: %x\n",
ApiNumber,
ApiMessage->Header.u1.s1.DataLength,
ApiMessage->Header.u1.s1.TotalLength);
/* Check if we are already inside a CSR Server */
if (!InsideCsrProcess)
{
/* Check if we got a a Capture Buffer */
if (CaptureBuffer)
{
/* We have to convert from our local view to the remote view */
DPRINT1("Converting CaptureBuffer\n");
ApiMessage->CsrCaptureData = (PVOID)((ULONG_PTR)CaptureBuffer +
CsrPortMemoryDelta);
/* Lock the buffer */
CaptureBuffer->BufferEnd = 0;
/* Get the pointer information */
PointerCount = CaptureBuffer->PointerCount;
Pointers = CaptureBuffer->PointerArray;
/* Loop through every pointer and convert it */
while (PointerCount--)
{
/* Get this pointer and check if it's valid */
if ((CurrentPointer = *Pointers++))
{
/* Update it */
*(PULONG_PTR)CurrentPointer += CsrPortMemoryDelta;
Pointers[-1] = CurrentPointer - (ULONG_PTR)ApiMessage;
}
}
}
/* Send the LPC Message */
Status = NtRequestWaitReplyPort(CsrApiPort,
&ApiMessage->Header,
&ApiMessage->Header);
/* Check if we got a a Capture Buffer */
if (CaptureBuffer)
{
/* We have to convert from the remote view to our remote view */
DPRINT1("Reconverting CaptureBuffer\n");
ApiMessage->CsrCaptureData = (PVOID)((ULONG_PTR)
ApiMessage->CsrCaptureData -
CsrPortMemoryDelta);
/* Get the pointer information */
PointerCount = CaptureBuffer->PointerCount;
Pointers = CaptureBuffer->PointerArray;
/* Loop through every pointer and convert it */
while (PointerCount--)
{
/* Get this pointer and check if it's valid */
if ((CurrentPointer = *Pointers++))
{
/* Update it */
CurrentPointer += (ULONG_PTR)ApiMessage;
Pointers[-1] = CurrentPointer;
*(PULONG_PTR)CurrentPointer -= CsrPortMemoryDelta;
}
}
}
/* Check for success */
if (!NT_SUCCESS(Status))
{
/* We failed. Overwrite the return value with the failure */
DPRINT1("LPC Failed: %lx\n", Status);
ApiMessage->Status = Status;
}
}
else
{
/* This is a server-to-server call. Save our CID and do a direct call */
DbgBreakPoint();
ApiMessage->Header.ClientId = NtCurrentTeb()->Cid;
Status = CsrServerApiRoutine(&ApiMessage->Header,
&ApiMessage->Header);
/* Check for success */
if (!NT_SUCCESS(Status))
{
/* We failed. Overwrite the return value with the failure */
ApiMessage->Status = Status;
}
}
/* Return the CSR Result */
DPRINT("Got back: %x\n", ApiMessage->Status);
return ApiMessage->Status;
}
NTSTATUS
NTAPI
CsrConnectToServer(IN PWSTR ObjectDirectory)
{
ULONG PortNameLength;
UNICODE_STRING PortName;
LARGE_INTEGER CsrSectionViewSize;
NTSTATUS Status;
HANDLE CsrSectionHandle;
PORT_VIEW LpcWrite;
REMOTE_PORT_VIEW LpcRead;
SECURITY_QUALITY_OF_SERVICE SecurityQos;
SID_IDENTIFIER_AUTHORITY NtSidAuthority = {SECURITY_NT_AUTHORITY};
PSID SystemSid = NULL;
CSR_CONNECTION_INFO ConnectionInfo;
ULONG ConnectionInfoLength = sizeof(CSR_CONNECTION_INFO);
DPRINT("%s(%S)\n", __FUNCTION__, ObjectDirectory);
/* Binary compatibility with MS KERNEL32 */
if (NULL == ObjectDirectory)
{
ObjectDirectory = L"\\Windows";
}
/* Calculate the total port name size */
PortNameLength = ((wcslen(ObjectDirectory) + 1) * sizeof(WCHAR)) +
sizeof(CSR_PORT_NAME);
/* Set the port name */
PortName.Length = 0;
PortName.MaximumLength = PortNameLength;
/* Allocate a buffer for it */
PortName.Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, PortNameLength);
/* Create the name */
RtlAppendUnicodeToString(&PortName, ObjectDirectory );
RtlAppendUnicodeToString(&PortName, UNICODE_PATH_SEP);
RtlAppendUnicodeToString(&PortName, CSR_PORT_NAME);
/* Create a section for the port memory */
CsrSectionViewSize.QuadPart = CSR_CSRSS_SECTION_SIZE;
Status = NtCreateSection(&CsrSectionHandle,
SECTION_ALL_ACCESS,
NULL,
&CsrSectionViewSize,
PAGE_READWRITE,
SEC_COMMIT,
NULL);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failure allocating CSR Section\n");
return Status;
}
/* Set up the port view structures to match them with the section */
LpcWrite.Length = sizeof(PORT_VIEW);
LpcWrite.SectionHandle = CsrSectionHandle;
LpcWrite.SectionOffset = 0;
LpcWrite.ViewSize = CsrSectionViewSize.u.LowPart;
LpcWrite.ViewBase = 0;
LpcWrite.ViewRemoteBase = 0;
LpcRead.Length = sizeof(REMOTE_PORT_VIEW);
LpcRead.ViewSize = 0;
LpcRead.ViewBase = 0;
/* Setup the QoS */
SecurityQos.ImpersonationLevel = SecurityImpersonation;
SecurityQos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
SecurityQos.EffectiveOnly = TRUE;
/* Setup the connection info */
ConnectionInfo.Version = 0x10000;
/* Create a SID for us */
Status = RtlAllocateAndInitializeSid(&NtSidAuthority,
1,
SECURITY_LOCAL_SYSTEM_RID,
0,
0,
0,
0,
0,
0,
0,
&SystemSid);
/* Connect to the port */
Status = NtSecureConnectPort(&CsrApiPort,
&PortName,
&SecurityQos,
&LpcWrite,
SystemSid,
&LpcRead,
NULL,
&ConnectionInfo,
&ConnectionInfoLength);
NtClose(CsrSectionHandle);
if (!NT_SUCCESS(Status))
{
/* Failure */
DPRINT1("Couldn't connect to CSR port\n");
return Status;
}
/* Save the delta between the sections, for capture usage later */
CsrPortMemoryDelta = (ULONG_PTR)LpcWrite.ViewRemoteBase -
(ULONG_PTR)LpcWrite.ViewBase;
/* Save the Process */
CsrProcessId = ConnectionInfo.ProcessId;
/* Save CSR Section data */
NtCurrentPeb()->ReadOnlySharedMemoryBase = ConnectionInfo.SharedSectionBase;
NtCurrentPeb()->ReadOnlySharedMemoryHeap = ConnectionInfo.SharedSectionHeap;
NtCurrentPeb()->ReadOnlyStaticServerData = ConnectionInfo.SharedSectionData;
/* Create the port heap */
CsrPortHeap = RtlCreateHeap(0,
LpcWrite.ViewBase,
LpcWrite.ViewSize,
PAGE_SIZE,
0,
0);
/* Return success */
return STATUS_SUCCESS;
}
/*
* @implemented
*/
NTSTATUS
NTAPI
CsrClientConnectToServer(PWSTR ObjectDirectory,
ULONG ServerId,
PVOID ConnectionInfo,
PULONG ConnectionInfoSize,
PBOOLEAN ServerToServerCall)
{
NTSTATUS Status;
PIMAGE_NT_HEADERS NtHeader;
UNICODE_STRING CsrSrvName;
HANDLE hCsrSrv;
ANSI_STRING CsrServerRoutineName;
PCSR_CAPTURE_BUFFER CaptureBuffer;
CSR_API_MESSAGE RosApiMessage;
CSR_API_MESSAGE2 ApiMessage;
PCSR_CLIENT_CONNECT ClientConnect = &ApiMessage.ClientConnect;
/* Validate the Connection Info */
DPRINT("CsrClientConnectToServer: %lx %p\n", ServerId, ConnectionInfo);
if (ConnectionInfo && (!ConnectionInfoSize || !*ConnectionInfoSize))
{
DPRINT1("Connection info given, but no length\n");
return STATUS_INVALID_PARAMETER;
}
/* Check if we're inside a CSR Process */
if (InsideCsrProcess)
{
/* Tell the client that we're already inside CSR */
if (ServerToServerCall) *ServerToServerCall = TRUE;
return STATUS_SUCCESS;
}
/*
* We might be in a CSR Process but not know it, if this is the first call.
* So let's find out.
*/
if (!(NtHeader = RtlImageNtHeader(NtCurrentPeb()->ImageBaseAddress)))
{
/* The image isn't valid */
DPRINT1("Invalid image\n");
return STATUS_INVALID_IMAGE_FORMAT;
}
InsideCsrProcess = (NtHeader->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_NATIVE);
/* Now we can check if we are inside or not */
if (InsideCsrProcess && !UsingOldCsr)
{
/* We're inside, so let's find csrsrv */
DbgBreakPoint();
RtlInitUnicodeString(&CsrSrvName, L"csrsrv");
Status = LdrGetDllHandle(NULL,
NULL,
&CsrSrvName,
&hCsrSrv);
RtlFreeUnicodeString(&CsrSrvName);
/* Now get the Server to Server routine */
RtlInitAnsiString(&CsrServerRoutineName, "CsrCallServerFromServer");
Status = LdrGetProcedureAddress(hCsrSrv,
&CsrServerRoutineName,
0L,
(PVOID*)&CsrServerApiRoutine);
/* Use the local heap as port heap */
CsrPortHeap = RtlGetProcessHeap();
/* Tell the caller we're inside the server */
*ServerToServerCall = InsideCsrProcess;
return STATUS_SUCCESS;
}
/* Now check if connection info is given */
if (ConnectionInfo)
{
/* Well, we're defintely in a client now */
InsideCsrProcess = FALSE;
/* Do we have a connection to CSR yet? */
if (!CsrApiPort)
{
/* No, set it up now */
if (!NT_SUCCESS(Status = CsrConnectToServer(ObjectDirectory)))
{
/* Failed */
DPRINT1("Failure to connect to CSR\n");
return Status;
}
}
/* Setup the connect message header */
ClientConnect->ServerId = ServerId;
ClientConnect->ConnectionInfoSize = *ConnectionInfoSize;
/* Setup a buffer for the connection info */
CaptureBuffer = CsrAllocateCaptureBuffer(1,
ClientConnect->ConnectionInfoSize);
/* Allocate a pointer for the connection info*/
CsrAllocateMessagePointer(CaptureBuffer,
ClientConnect->ConnectionInfoSize,
&ClientConnect->ConnectionInfo);
/* Copy the data into the buffer */
RtlMoveMemory(ClientConnect->ConnectionInfo,
ConnectionInfo,
ClientConnect->ConnectionInfoSize);
/* Return the allocated length */
*ConnectionInfoSize = ClientConnect->ConnectionInfoSize;
/* Call CSR */
#if 0
Status = CsrClientCallServer(&ApiMessage,
CaptureBuffer,
CSR_MAKE_OPCODE(CsrSrvClientConnect,
CSR_SRV_DLL),
sizeof(CSR_CLIENT_CONNECT));
#endif
Status = CsrClientCallServer(&RosApiMessage,
NULL,
MAKE_CSR_API(CONNECT_PROCESS, CSR_NATIVE),
sizeof(CSR_API_MESSAGE));
}
else
{
/* No connection info, just return */
Status = STATUS_SUCCESS;
}
/* Let the caller know if this was server to server */
DPRINT("Status was: %lx. Are we in server: %lx\n", Status, InsideCsrProcess);
if (ServerToServerCall) *ServerToServerCall = InsideCsrProcess;
return Status;
}
/* EOF */