2025-05-13 19:49:49 +03:00

1106 lines
26 KiB
C

/*
* Process Hacker -
* KProcessHacker API
*
* Copyright (C) 2009-2011 wj32
* Copyright (C) 2016 dmex
*
* This file is part of Process Hacker.
*
* Process Hacker is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Process Hacker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Process Hacker. If not, see <http://www.gnu.org/licenses/>.
*/
#include "main.h"
#include "kph2user.h"
NTSTATUS Kphp2DeviceIoControl(
_In_ ULONG KphControlCode,
_In_ PVOID InBuffer,
_In_ ULONG InBufferLength
);
HANDLE PhKph2Handle = NULL;
NTSTATUS Kph2Connect(
_In_opt_ PWSTR DeviceName
)
{
NTSTATUS status;
HANDLE kphHandle;
UNICODE_STRING objectName;
OBJECT_ATTRIBUTES objectAttributes;
IO_STATUS_BLOCK isb;
OBJECT_HANDLE_FLAG_INFORMATION handleFlagInfo;
if (PhKph2Handle)
return STATUS_ADDRESS_ALREADY_EXISTS;
if (DeviceName)
RtlInitUnicodeString(&objectName, DeviceName);
else
RtlInitUnicodeString(&objectName, KPH_DEVICE_NAME);
InitializeObjectAttributes(
&objectAttributes,
&objectName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
status = NtOpenFile(
&kphHandle,
FILE_GENERIC_READ | FILE_GENERIC_WRITE,
&objectAttributes,
&isb,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_NON_DIRECTORY_FILE
);
if (NT_SUCCESS(status))
{
// Protect the handle from being closed.
handleFlagInfo.Inherit = FALSE;
handleFlagInfo.ProtectFromClose = TRUE;
NtSetInformationObject(
kphHandle,
ObjectHandleFlagInformation,
&handleFlagInfo,
sizeof(OBJECT_HANDLE_FLAG_INFORMATION)
);
PhKph2Handle = kphHandle;
}
return status;
}
NTSTATUS Kph2Connect2(
_In_opt_ PWSTR DeviceName,
_In_ PWSTR FileName
)
{
return Kph2Connect2Ex(DeviceName, FileName, NULL);
}
NTSTATUS Kph2Connect2Ex(
_In_opt_ PWSTR DeviceName,
_In_ PWSTR FileName,
_In_opt_ PKPH_PARAMETERS Parameters
)
{
NTSTATUS status;
WCHAR fullDeviceName[256];
PH_FORMAT format[2];
SC_HANDLE scmHandle;
SC_HANDLE serviceHandle;
BOOLEAN started = FALSE;
BOOLEAN created = FALSE;
if (!DeviceName)
DeviceName = KPH_DEVICE_SHORT_NAME;
PhInitFormatS(&format[0], L"\\Device\\");
PhInitFormatS(&format[1], DeviceName);
if (!PhFormatToBuffer(format, 2, fullDeviceName, sizeof(fullDeviceName), NULL))
return STATUS_NAME_TOO_LONG;
// Try to open the device.
status = Kph2Connect(fullDeviceName);
if (NT_SUCCESS(status) || status == STATUS_ADDRESS_ALREADY_EXISTS)
return status;
if (
status != STATUS_NO_SUCH_DEVICE &&
status != STATUS_NO_SUCH_FILE &&
status != STATUS_OBJECT_NAME_NOT_FOUND &&
status != STATUS_OBJECT_PATH_NOT_FOUND
)
return status;
// Load the driver, and try again.
// Try to start the service, if it exists.
scmHandle = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT);
if (scmHandle)
{
serviceHandle = OpenService(scmHandle, DeviceName, SERVICE_START);
if (serviceHandle)
{
if (StartService(serviceHandle, 0, NULL))
started = TRUE;
CloseServiceHandle(serviceHandle);
}
CloseServiceHandle(scmHandle);
}
if (!started && RtlDoesFileExists_U(FileName))
{
// Try to create the service.
scmHandle = OpenSCManager(NULL, NULL, SC_MANAGER_CREATE_SERVICE);
if (scmHandle)
{
serviceHandle = CreateService(
scmHandle,
DeviceName,
DeviceName,
SERVICE_ALL_ACCESS,
SERVICE_KERNEL_DRIVER,
SERVICE_DEMAND_START,
SERVICE_ERROR_IGNORE,
FileName,
NULL,
NULL,
NULL,
NULL,
L""
);
if (serviceHandle)
{
created = TRUE;
// Set parameters if the caller supplied them. Note that we fail the entire function
// if this fails, because failing to set parameters like SecurityLevel may result in
// security vulnerabilities.
if (Parameters)
{
status = Kph2SetParameters(DeviceName, Parameters);
if (!NT_SUCCESS(status))
{
// Delete the service and fail.
goto CreateAndConnectEnd;
}
}
if (StartService(serviceHandle, 0, NULL))
started = TRUE;
}
CloseServiceHandle(scmHandle);
}
}
if (started)
{
// Try to open the device again.
status = Kph2Connect(fullDeviceName);
}
CreateAndConnectEnd:
if (created)
{
// "Delete" the service. Since we (may) have a handle to the device, the SCM will delete the
// service automatically when it is stopped (upon reboot). If we don't have a handle to the
// device, the service will get deleted immediately, which is a good thing anyway.
DeleteService(serviceHandle);
CloseServiceHandle(serviceHandle);
}
return status;
}
NTSTATUS Kph2Disconnect(
VOID
)
{
NTSTATUS status;
OBJECT_HANDLE_FLAG_INFORMATION handleFlagInfo;
if (!PhKph2Handle)
return STATUS_ALREADY_DISCONNECTED;
// Unprotect the handle.
handleFlagInfo.Inherit = FALSE;
handleFlagInfo.ProtectFromClose = FALSE;
NtSetInformationObject(
PhKph2Handle,
ObjectHandleFlagInformation,
&handleFlagInfo,
sizeof(OBJECT_HANDLE_FLAG_INFORMATION)
);
status = NtClose(PhKph2Handle);
PhKph2Handle = NULL;
return status;
}
BOOLEAN Kph2IsConnected(
VOID
)
{
return PhKph2Handle != NULL;
}
NTSTATUS Kph2SetParameters(
_In_opt_ PWSTR DeviceName,
_In_ PKPH_PARAMETERS Parameters
)
{
NTSTATUS status;
HANDLE parametersKeyHandle = NULL;
PPH_STRING parametersKeyName;
ULONG disposition;
UNICODE_STRING valueName;
if (!DeviceName)
DeviceName = KPH_DEVICE_SHORT_NAME;
parametersKeyName = PhConcatStrings(
3,
L"System\\CurrentControlSet\\Services\\",
DeviceName,
L"\\Parameters"
);
status = PhCreateKey(
&parametersKeyHandle,
KEY_WRITE | DELETE,
PH_KEY_LOCAL_MACHINE,
&parametersKeyName->sr,
0,
0,
&disposition
);
PhDereferenceObject(parametersKeyName);
if (!NT_SUCCESS(status))
return status;
RtlInitUnicodeString(&valueName, L"SecurityLevel");
status = NtSetValueKey(parametersKeyHandle, &valueName, 0, REG_DWORD, &Parameters->SecurityLevel, sizeof(ULONG));
if (!NT_SUCCESS(status))
goto SetValuesEnd;
if (Parameters->CreateDynamicConfiguration)
{
KPH_DYN_CONFIGURATION configuration;
RtlInitUnicodeString(&valueName, L"DynamicConfiguration");
configuration.Version = KPH_DYN_CONFIGURATION_VERSION;
configuration.NumberOfPackages = 1;
if (NT_SUCCESS(Kph2InitializeDynamicPackage(&configuration.Packages[0])))
{
status = NtSetValueKey(parametersKeyHandle, &valueName, 0, REG_BINARY, &configuration, sizeof(KPH_DYN_CONFIGURATION));
if (!NT_SUCCESS(status))
goto SetValuesEnd;
}
}
// Put more parameters here...
SetValuesEnd:
if (!NT_SUCCESS(status))
{
// Delete the key if we created it.
if (disposition == REG_CREATED_NEW_KEY)
NtDeleteKey(parametersKeyHandle);
}
NtClose(parametersKeyHandle);
return status;
}
NTSTATUS Kph2Install(
_In_opt_ PWSTR DeviceName,
_In_ PWSTR FileName
)
{
return Kph2InstallEx(DeviceName, FileName, NULL);
}
NTSTATUS Kph2InstallEx(
_In_opt_ PWSTR DeviceName,
_In_ PWSTR FileName,
_In_opt_ PKPH_PARAMETERS Parameters
)
{
NTSTATUS status = STATUS_SUCCESS;
SC_HANDLE scmHandle;
SC_HANDLE serviceHandle;
if (!DeviceName)
DeviceName = KPH_DEVICE_SHORT_NAME;
scmHandle = OpenSCManager(NULL, NULL, SC_MANAGER_CREATE_SERVICE);
if (!scmHandle)
return PhGetLastWin32ErrorAsNtStatus();
serviceHandle = CreateService(
scmHandle,
DeviceName,
DeviceName,
SERVICE_ALL_ACCESS,
SERVICE_KERNEL_DRIVER,
SERVICE_SYSTEM_START,
SERVICE_ERROR_IGNORE,
FileName,
NULL,
NULL,
NULL,
NULL,
L""
);
if (serviceHandle)
{
// See KphConnect2Ex for more details.
if (Parameters)
{
status = Kph2SetParameters(DeviceName, Parameters);
if (!NT_SUCCESS(status))
{
DeleteService(serviceHandle);
goto CreateEnd;
}
}
if (!StartService(serviceHandle, 0, NULL))
status = PhGetLastWin32ErrorAsNtStatus();
CreateEnd:
CloseServiceHandle(serviceHandle);
}
else
{
status = PhGetLastWin32ErrorAsNtStatus();
}
CloseServiceHandle(scmHandle);
return status;
}
NTSTATUS Kph2Uninstall(
_In_opt_ PWSTR DeviceName
)
{
NTSTATUS status = STATUS_SUCCESS;
SC_HANDLE scmHandle;
SC_HANDLE serviceHandle;
if (!DeviceName)
DeviceName = KPH_DEVICE_SHORT_NAME;
scmHandle = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT);
if (!scmHandle)
return PhGetLastWin32ErrorAsNtStatus();
serviceHandle = OpenService(scmHandle, DeviceName, SERVICE_STOP | DELETE);
if (serviceHandle)
{
SERVICE_STATUS serviceStatus;
ControlService(serviceHandle, SERVICE_CONTROL_STOP, &serviceStatus);
if (!DeleteService(serviceHandle))
status = PhGetLastWin32ErrorAsNtStatus();
CloseServiceHandle(serviceHandle);
}
else
{
status = PhGetLastWin32ErrorAsNtStatus();
}
CloseServiceHandle(scmHandle);
return status;
}
NTSTATUS Kphp2DeviceIoControl(
_In_ ULONG KphControlCode,
_In_ PVOID InBuffer,
_In_ ULONG InBufferLength
)
{
IO_STATUS_BLOCK isb;
return NtDeviceIoControlFile(
PhKph2Handle,
NULL,
NULL,
NULL,
&isb,
KphControlCode,
InBuffer,
InBufferLength,
NULL,
0
);
}
NTSTATUS Kph2GetFeatures(
_Out_ PULONG Features
)
{
struct
{
PULONG Features;
} input = { Features };
return Kphp2DeviceIoControl(
KPH_GETFEATURES,
&input,
sizeof(input)
);
}
NTSTATUS Kph2OpenProcess(
_Out_ PHANDLE ProcessHandle,
_In_ ACCESS_MASK DesiredAccess,
_In_ PCLIENT_ID ClientId
)
{
struct
{
PHANDLE ProcessHandle;
ACCESS_MASK DesiredAccess;
PCLIENT_ID ClientId;
} input = { ProcessHandle, DesiredAccess, ClientId };
return Kphp2DeviceIoControl(
KPH_OPENPROCESS,
&input,
sizeof(input)
);
}
NTSTATUS Kph2OpenProcessToken(
_In_ HANDLE ProcessHandle,
_In_ ACCESS_MASK DesiredAccess,
_Out_ PHANDLE TokenHandle
)
{
struct
{
HANDLE ProcessHandle;
ACCESS_MASK DesiredAccess;
PHANDLE TokenHandle;
} input = { ProcessHandle, DesiredAccess, TokenHandle };
return Kphp2DeviceIoControl(
KPH_OPENPROCESSTOKEN,
&input,
sizeof(input)
);
}
NTSTATUS Kph2OpenProcessJob(
_In_ HANDLE ProcessHandle,
_In_ ACCESS_MASK DesiredAccess,
_Out_ PHANDLE JobHandle
)
{
struct
{
HANDLE ProcessHandle;
ACCESS_MASK DesiredAccess;
PHANDLE JobHandle;
} input = { ProcessHandle, DesiredAccess, JobHandle };
return Kphp2DeviceIoControl(
KPH_OPENPROCESSJOB,
&input,
sizeof(input)
);
}
NTSTATUS Kph2SuspendProcess(
_In_ HANDLE ProcessHandle
)
{
struct
{
HANDLE ProcessHandle;
} input = { ProcessHandle };
return Kphp2DeviceIoControl(
KPH_SUSPENDPROCESS,
&input,
sizeof(input)
);
}
NTSTATUS Kph2ResumeProcess(
_In_ HANDLE ProcessHandle
)
{
struct
{
HANDLE ProcessHandle;
} input = { ProcessHandle };
return Kphp2DeviceIoControl(
KPH_RESUMEPROCESS,
&input,
sizeof(input)
);
}
NTSTATUS Kph2TerminateProcess(
_In_ HANDLE ProcessHandle,
_In_ NTSTATUS ExitStatus
)
{
NTSTATUS status;
struct
{
HANDLE ProcessHandle;
NTSTATUS ExitStatus;
} input = { ProcessHandle, ExitStatus };
status = Kphp2DeviceIoControl(
KPH_TERMINATEPROCESS,
&input,
sizeof(input)
);
// Check if we're trying to terminate the current process,
// because kernel-mode can't do it.
if (status == STATUS_CANT_TERMINATE_SELF)
{
RtlExitUserProcess(ExitStatus);
}
return status;
}
NTSTATUS Kph2ReadVirtualMemory(
_In_ HANDLE ProcessHandle,
_In_ PVOID BaseAddress,
_Out_writes_bytes_(BufferSize) PVOID Buffer,
_In_ SIZE_T BufferSize,
_Out_opt_ PSIZE_T NumberOfBytesRead
)
{
struct
{
HANDLE ProcessHandle;
PVOID BaseAddress;
PVOID Buffer;
SIZE_T BufferSize;
PSIZE_T NumberOfBytesRead;
} input = { ProcessHandle, BaseAddress, Buffer, BufferSize, NumberOfBytesRead };
return Kphp2DeviceIoControl(
KPH_READVIRTUALMEMORY,
&input,
sizeof(input)
);
}
NTSTATUS Kph2WriteVirtualMemory(
_In_ HANDLE ProcessHandle,
_In_opt_ PVOID BaseAddress,
_In_reads_bytes_(BufferSize) PVOID Buffer,
_In_ SIZE_T BufferSize,
_Out_opt_ PSIZE_T NumberOfBytesWritten
)
{
struct
{
HANDLE ProcessHandle;
PVOID BaseAddress;
PVOID Buffer;
SIZE_T BufferSize;
PSIZE_T NumberOfBytesWritten;
} input = { ProcessHandle, BaseAddress, Buffer, BufferSize, NumberOfBytesWritten };
return Kphp2DeviceIoControl(
KPH_WRITEVIRTUALMEMORY,
&input,
sizeof(input)
);
}
NTSTATUS Kph2ReadVirtualMemoryUnsafe(
_In_opt_ HANDLE ProcessHandle,
_In_ PVOID BaseAddress,
_Out_writes_bytes_(BufferSize) PVOID Buffer,
_In_ SIZE_T BufferSize,
_Out_opt_ PSIZE_T NumberOfBytesRead
)
{
struct
{
HANDLE ProcessHandle;
PVOID BaseAddress;
PVOID Buffer;
SIZE_T BufferSize;
PSIZE_T NumberOfBytesRead;
} input = { ProcessHandle, BaseAddress, Buffer, BufferSize, NumberOfBytesRead };
return Kphp2DeviceIoControl(
KPH_READVIRTUALMEMORYUNSAFE,
&input,
sizeof(input)
);
}
NTSTATUS Kph2QueryInformationProcess(
_In_ HANDLE ProcessHandle,
_In_ KPH_PROCESS_INFORMATION_CLASS ProcessInformationClass,
_Out_writes_bytes_(ProcessInformationLength) PVOID ProcessInformation,
_In_ ULONG ProcessInformationLength,
_Out_opt_ PULONG ReturnLength
)
{
struct
{
HANDLE ProcessHandle;
KPH_PROCESS_INFORMATION_CLASS ProcessInformationClass;
PVOID ProcessInformation;
ULONG ProcessInformationLength;
PULONG ReturnLength;
} input = { ProcessHandle, ProcessInformationClass, ProcessInformation, ProcessInformationLength, ReturnLength };
return Kphp2DeviceIoControl(
KPH_QUERYINFORMATIONPROCESS,
&input,
sizeof(input)
);
}
NTSTATUS Kph2SetInformationProcess(
_In_ HANDLE ProcessHandle,
_In_ KPH_PROCESS_INFORMATION_CLASS ProcessInformationClass,
_In_reads_bytes_(ProcessInformationLength) PVOID ProcessInformation,
_In_ ULONG ProcessInformationLength
)
{
struct
{
HANDLE ProcessHandle;
KPH_PROCESS_INFORMATION_CLASS ProcessInformationClass;
PVOID ProcessInformation;
ULONG ProcessInformationLength;
} input = { ProcessHandle, ProcessInformationClass, ProcessInformation, ProcessInformationLength };
return Kphp2DeviceIoControl(
KPH_SETINFORMATIONPROCESS,
&input,
sizeof(input)
);
}
NTSTATUS Kph2OpenThread(
_Out_ PHANDLE ThreadHandle,
_In_ ACCESS_MASK DesiredAccess,
_In_ PCLIENT_ID ClientId
)
{
struct
{
PHANDLE ThreadHandle;
ACCESS_MASK DesiredAccess;
PCLIENT_ID ClientId;
} input = { ThreadHandle, DesiredAccess, ClientId };
return Kphp2DeviceIoControl(
KPH_OPENTHREAD,
&input,
sizeof(input)
);
}
NTSTATUS Kph2OpenThreadProcess(
_In_ HANDLE ThreadHandle,
_In_ ACCESS_MASK DesiredAccess,
_Out_ PHANDLE ProcessHandle
)
{
struct
{
HANDLE ThreadHandle;
ACCESS_MASK DesiredAccess;
PHANDLE ProcessHandle;
} input = { ThreadHandle, DesiredAccess, ProcessHandle };
return Kphp2DeviceIoControl(
KPH_OPENTHREADPROCESS,
&input,
sizeof(input)
);
}
NTSTATUS Kph2TerminateThread(
_In_ HANDLE ThreadHandle,
_In_ NTSTATUS ExitStatus
)
{
NTSTATUS status;
struct
{
HANDLE ThreadHandle;
NTSTATUS ExitStatus;
} input = { ThreadHandle, ExitStatus };
status = Kphp2DeviceIoControl(
KPH_TERMINATETHREAD,
&input,
sizeof(input)
);
if (status == STATUS_CANT_TERMINATE_SELF)
{
RtlExitUserThread(ExitStatus);
}
return status;
}
NTSTATUS Kph2TerminateThreadUnsafe(
_In_ HANDLE ThreadHandle,
_In_ NTSTATUS ExitStatus
)
{
struct
{
HANDLE ThreadHandle;
NTSTATUS ExitStatus;
} input = { ThreadHandle, ExitStatus };
return Kphp2DeviceIoControl(
KPH_TERMINATETHREADUNSAFE,
&input,
sizeof(input)
);
}
NTSTATUS Kph2GetContextThread(
_In_ HANDLE ThreadHandle,
_Inout_ PCONTEXT ThreadContext
)
{
struct
{
HANDLE ThreadHandle;
PCONTEXT ThreadContext;
} input = { ThreadHandle, ThreadContext };
return Kphp2DeviceIoControl(
KPH_GETCONTEXTTHREAD,
&input,
sizeof(input)
);
}
NTSTATUS Kph2SetContextThread(
_In_ HANDLE ThreadHandle,
_In_ PCONTEXT ThreadContext
)
{
struct
{
HANDLE ThreadHandle;
PCONTEXT ThreadContext;
} input = { ThreadHandle, ThreadContext };
return Kphp2DeviceIoControl(
KPH_SETCONTEXTTHREAD,
&input,
sizeof(input)
);
}
NTSTATUS Kph2CaptureStackBackTraceThread(
_In_ HANDLE ThreadHandle,
_In_ ULONG FramesToSkip,
_In_ ULONG FramesToCapture,
_Out_writes_(FramesToCapture) PVOID *BackTrace,
_Out_opt_ PULONG CapturedFrames,
_Out_opt_ PULONG BackTraceHash
)
{
struct
{
HANDLE ThreadHandle;
ULONG FramesToSkip;
ULONG FramesToCapture;
PVOID *BackTrace;
PULONG CapturedFrames;
PULONG BackTraceHash;
} input = { ThreadHandle, FramesToSkip, FramesToCapture, BackTrace, CapturedFrames, BackTraceHash };
return Kphp2DeviceIoControl(
KPH_CAPTURESTACKBACKTRACETHREAD,
&input,
sizeof(input)
);
}
NTSTATUS Kph2QueryInformationThread(
_In_ HANDLE ThreadHandle,
_In_ KPH_THREAD_INFORMATION_CLASS ThreadInformationClass,
_Out_writes_bytes_(ThreadInformationLength) PVOID ThreadInformation,
_In_ ULONG ThreadInformationLength,
_Out_opt_ PULONG ReturnLength
)
{
struct
{
HANDLE ThreadHandle;
KPH_THREAD_INFORMATION_CLASS ThreadInformationClass;
PVOID ThreadInformation;
ULONG ThreadInformationLength;
PULONG ReturnLength;
} input = { ThreadHandle, ThreadInformationClass, ThreadInformation, ThreadInformationLength, ReturnLength };
return Kphp2DeviceIoControl(
KPH_QUERYINFORMATIONTHREAD,
&input,
sizeof(input)
);
}
NTSTATUS Kph2SetInformationThread(
_In_ HANDLE ThreadHandle,
_In_ KPH_THREAD_INFORMATION_CLASS ThreadInformationClass,
_In_reads_bytes_(ThreadInformationLength) PVOID ThreadInformation,
_In_ ULONG ThreadInformationLength
)
{
struct
{
HANDLE ThreadHandle;
KPH_THREAD_INFORMATION_CLASS ThreadInformationClass;
PVOID ThreadInformation;
ULONG ThreadInformationLength;
} input = { ThreadHandle, ThreadInformationClass, ThreadInformation, ThreadInformationLength };
return Kphp2DeviceIoControl(
KPH_SETINFORMATIONTHREAD,
&input,
sizeof(input)
);
}
NTSTATUS Kph2EnumerateProcessHandles(
_In_ HANDLE ProcessHandle,
_Out_writes_bytes_(BufferLength) PVOID Buffer,
_In_opt_ ULONG BufferLength,
_Out_opt_ PULONG ReturnLength
)
{
struct
{
HANDLE ProcessHandle;
PVOID Buffer;
ULONG BufferLength;
PULONG ReturnLength;
} input = { ProcessHandle, Buffer, BufferLength, ReturnLength };
return Kphp2DeviceIoControl(
KPH_ENUMERATEPROCESSHANDLES,
&input,
sizeof(input)
);
}
NTSTATUS Kph2EnumerateProcessHandles2(
_In_ HANDLE ProcessHandle,
_Out_ PKPH_PROCESS_HANDLE_INFORMATION *Handles
)
{
NTSTATUS status;
PVOID buffer;
ULONG bufferSize = 2048;
buffer = PhAllocate(bufferSize);
while (TRUE)
{
status = Kph2EnumerateProcessHandles(
ProcessHandle,
buffer,
bufferSize,
&bufferSize
);
if (status == STATUS_BUFFER_TOO_SMALL)
{
PhFree(buffer);
buffer = PhAllocate(bufferSize);
}
else
{
break;
}
}
if (!NT_SUCCESS(status))
{
PhFree(buffer);
return status;
}
*Handles = buffer;
return status;
}
NTSTATUS Kph2QueryInformationObject(
_In_ HANDLE ProcessHandle,
_In_ HANDLE Handle,
_In_ KPH_OBJECT_INFORMATION_CLASS ObjectInformationClass,
_Out_writes_bytes_(ObjectInformationLength) PVOID ObjectInformation,
_In_ ULONG ObjectInformationLength,
_Out_opt_ PULONG ReturnLength
)
{
struct
{
HANDLE ProcessHandle;
HANDLE Handle;
KPH_OBJECT_INFORMATION_CLASS ObjectInformationClass;
PVOID ObjectInformation;
ULONG ObjectInformationLength;
PULONG ReturnLength;
} input = { ProcessHandle, Handle, ObjectInformationClass, ObjectInformation, ObjectInformationLength, ReturnLength };
return Kphp2DeviceIoControl(
KPH_QUERYINFORMATIONOBJECT,
&input,
sizeof(input)
);
}
NTSTATUS Kph2SetInformationObject(
_In_ HANDLE ProcessHandle,
_In_ HANDLE Handle,
_In_ KPH_OBJECT_INFORMATION_CLASS ObjectInformationClass,
_In_reads_bytes_(ObjectInformationLength) PVOID ObjectInformation,
_In_ ULONG ObjectInformationLength
)
{
struct
{
HANDLE ProcessHandle;
HANDLE Handle;
KPH_OBJECT_INFORMATION_CLASS ObjectInformationClass;
PVOID ObjectInformation;
ULONG ObjectInformationLength;
} input = { ProcessHandle, Handle, ObjectInformationClass, ObjectInformation, ObjectInformationLength };
return Kphp2DeviceIoControl(
KPH_SETINFORMATIONOBJECT,
&input,
sizeof(input)
);
}
NTSTATUS Kph2DuplicateObject(
_In_ HANDLE SourceProcessHandle,
_In_ HANDLE SourceHandle,
_In_opt_ HANDLE TargetProcessHandle,
_Out_opt_ PHANDLE TargetHandle,
_In_ ACCESS_MASK DesiredAccess,
_In_ ULONG HandleAttributes,
_In_ ULONG Options
)
{
NTSTATUS status;
struct
{
HANDLE SourceProcessHandle;
HANDLE SourceHandle;
HANDLE TargetProcessHandle;
PHANDLE TargetHandle;
ACCESS_MASK DesiredAccess;
ULONG HandleAttributes;
ULONG Options;
} input = { SourceProcessHandle, SourceHandle, TargetProcessHandle, TargetHandle, DesiredAccess, HandleAttributes, Options };
status = Kphp2DeviceIoControl(
KPH_DUPLICATEOBJECT,
&input,
sizeof(input)
);
if (status == STATUS_CANT_TERMINATE_SELF)
{
// We tried to close a handle in the current process.
if (Options & DUPLICATE_CLOSE_SOURCE)
status = NtClose(SourceHandle);
}
return status;
}
NTSTATUS Kph2OpenDriver(
_Out_ PHANDLE DriverHandle,
_In_ POBJECT_ATTRIBUTES ObjectAttributes
)
{
struct
{
PHANDLE DriverHandle;
POBJECT_ATTRIBUTES ObjectAttributes;
} input = { DriverHandle, ObjectAttributes };
return Kphp2DeviceIoControl(
KPH_OPENDRIVER,
&input,
sizeof(input)
);
}
NTSTATUS Kph2QueryInformationDriver(
_In_ HANDLE DriverHandle,
_In_ DRIVER_INFORMATION_CLASS DriverInformationClass,
_Out_writes_bytes_(DriverInformationLength) PVOID DriverInformation,
_In_ ULONG DriverInformationLength,
_Out_opt_ PULONG ReturnLength
)
{
struct
{
HANDLE DriverHandle;
DRIVER_INFORMATION_CLASS DriverInformationClass;
PVOID DriverInformation;
ULONG DriverInformationLength;
PULONG ReturnLength;
} input = { DriverHandle, DriverInformationClass, DriverInformation, DriverInformationLength, ReturnLength };
return Kphp2DeviceIoControl(
KPH_QUERYINFORMATIONDRIVER,
&input,
sizeof(input)
);
}