NTSTATUS PhSvcApiPortInitialization(
_In_ PUNICODE_STRING PortName
)
{
static SID_IDENTIFIER_AUTHORITY ntAuthority = SECURITY_NT_AUTHORITY;
NTSTATUS status;
OBJECT_ATTRIBUTES objectAttributes;
PSECURITY_DESCRIPTOR securityDescriptor;
ULONG sdAllocationLength;
UCHAR administratorsSidBuffer[FIELD_OFFSET(SID, SubAuthority) + sizeof(ULONG) * 2];
PSID administratorsSid;
PACL dacl;
ULONG i;
// Create the API port.
administratorsSid = (PSID)administratorsSidBuffer;
RtlInitializeSid(administratorsSid, &ntAuthority, 2);
*RtlSubAuthoritySid(administratorsSid, 0) = SECURITY_BUILTIN_DOMAIN_RID;
*RtlSubAuthoritySid(administratorsSid, 1) = DOMAIN_ALIAS_RID_ADMINS;
sdAllocationLength = SECURITY_DESCRIPTOR_MIN_LENGTH +
(ULONG)sizeof(ACL) +
(ULONG)sizeof(ACCESS_ALLOWED_ACE) +
RtlLengthSid(administratorsSid) +
(ULONG)sizeof(ACCESS_ALLOWED_ACE) +
RtlLengthSid(&PhSeEveryoneSid);
securityDescriptor = PhAllocate(sdAllocationLength);
dacl = (PACL)PTR_ADD_OFFSET(securityDescriptor, SECURITY_DESCRIPTOR_MIN_LENGTH);
RtlCreateSecurityDescriptor(securityDescriptor, SECURITY_DESCRIPTOR_REVISION);
RtlCreateAcl(dacl, sdAllocationLength - SECURITY_DESCRIPTOR_MIN_LENGTH, ACL_REVISION);
RtlAddAccessAllowedAce(dacl, ACL_REVISION, PORT_ALL_ACCESS, administratorsSid);
RtlAddAccessAllowedAce(dacl, ACL_REVISION, PORT_CONNECT, &PhSeEveryoneSid);
RtlSetDaclSecurityDescriptor(securityDescriptor, TRUE, dacl, FALSE);
InitializeObjectAttributes(
&objectAttributes,
PortName,
OBJ_CASE_INSENSITIVE,
NULL,
securityDescriptor
);
status = NtCreatePort(
&PhSvcApiPortHandle,
&objectAttributes,
sizeof(PHSVC_API_CONNECTINFO),
PhIsExecutingInWow64() ? sizeof(PHSVC_API_MSG64) : sizeof(PHSVC_API_MSG),
0
);
PhFree(securityDescriptor);
if (!NT_SUCCESS(status))
return status;
// Start the API threads.
PhSvcApiThreadContextTlsIndex = TlsAlloc();
for (i = 0; i < 2; i++)
{
PhCreateThread2(PhSvcApiRequestThreadStart, NULL);
}
return status;
}
NTSTATUS PhSvcApiRequestThreadStart(
_In_ PVOID Parameter
)
{
PH_AUTO_POOL autoPool;
NTSTATUS status;
PHSVC_THREAD_CONTEXT threadContext;
HANDLE portHandle;
PVOID portContext;
SIZE_T messageSize;
PPORT_MESSAGE receiveMessage;
PPORT_MESSAGE replyMessage;
CSHORT messageType;
PPHSVC_CLIENT client;
PPHSVC_API_PAYLOAD payload;
PhInitializeAutoPool(&autoPool);
threadContext.CurrentClient = NULL;
threadContext.OldClient = NULL;
TlsSetValue(PhSvcApiThreadContextTlsIndex, &threadContext);
portHandle = PhSvcApiPortHandle;
messageSize = PhIsExecutingInWow64() ? sizeof(PHSVC_API_MSG64) : sizeof(PHSVC_API_MSG);
receiveMessage = PhAllocate(messageSize);
replyMessage = NULL;
while (TRUE)
{
status = NtReplyWaitReceivePort(
portHandle,
&portContext,
replyMessage,
receiveMessage
);
portHandle = PhSvcApiPortHandle;
replyMessage = NULL;
if (!NT_SUCCESS(status))
{
// Client probably died.
continue;
}
messageType = receiveMessage->u2.s2.Type;
if (messageType == LPC_CONNECTION_REQUEST)
{
PhSvcHandleConnectionRequest(receiveMessage);
continue;
}
if (!portContext)
continue;
client = portContext;
threadContext.CurrentClient = client;
PhWaitForEvent(&client->ReadyEvent, NULL);
if (messageType == LPC_REQUEST)
{
if (PhIsExecutingInWow64())
payload = &((PPHSVC_API_MSG64)receiveMessage)->p;
else
payload = &((PPHSVC_API_MSG)receiveMessage)->p;
PhSvcDispatchApiCall(client, payload, &portHandle);
replyMessage = receiveMessage;
}
else if (messageType == LPC_PORT_CLOSED)
{
PhDereferenceObject(client);
if (_InterlockedDecrement(&PhSvcApiNumberOfClients) == 0)
{
NtSetEvent(PhSvcTimeoutStandbyEventHandle, NULL);
}
}
assert(!threadContext.OldClient);
PhDrainAutoPool(&autoPool);
}
PhDeleteAutoPool(&autoPool);
}
VOID PhSvcHandleConnectionRequest(
_In_ PPORT_MESSAGE PortMessage
)
{
NTSTATUS status;
PPHSVC_API_MSG message;
PPHSVC_API_MSG64 message64;
CLIENT_ID clientId;
PPHSVC_CLIENT client;
HANDLE portHandle;
REMOTE_PORT_VIEW clientView;
REMOTE_PORT_VIEW64 clientView64;
PREMOTE_PORT_VIEW actualClientView;
message = (PPHSVC_API_MSG)PortMessage;
message64 = (PPHSVC_API_MSG64)PortMessage;
if (PhIsExecutingInWow64())
{
clientId.UniqueProcess = (HANDLE)message64->h.ClientId.UniqueProcess;
clientId.UniqueThread = (HANDLE)message64->h.ClientId.UniqueThread;
}
else
{
PPH_STRING referenceFileName;
PPH_STRING remoteFileName;
clientId = message->h.ClientId;
// Make sure that the remote process is Process Hacker itself and not some other program.
referenceFileName = NULL;
PhGetProcessImageFileNameByProcessId(NtCurrentProcessId(), &referenceFileName);
PH_AUTO(referenceFileName);
remoteFileName = NULL;
PhGetProcessImageFileNameByProcessId(clientId.UniqueProcess, &remoteFileName);
PH_AUTO(remoteFileName);
if (!referenceFileName || !remoteFileName || !PhEqualString(referenceFileName, remoteFileName, TRUE))
{
NtAcceptConnectPort(&portHandle, NULL, PortMessage, FALSE, NULL, NULL);
return;
}
}
client = PhSvcCreateClient(&clientId);
if (!client)
{
NtAcceptConnectPort(&portHandle, NULL, PortMessage, FALSE, NULL, NULL);
return;
}
if (PhIsExecutingInWow64())
{
message64->p.ConnectInfo.ServerProcessId = HandleToUlong(NtCurrentProcessId());
clientView64.Length = sizeof(REMOTE_PORT_VIEW64);
clientView64.ViewSize = 0;
clientView64.ViewBase = 0;
actualClientView = (PREMOTE_PORT_VIEW)&clientView64;
}
else
{
message->p.ConnectInfo.ServerProcessId = HandleToUlong(NtCurrentProcessId());
clientView.Length = sizeof(REMOTE_PORT_VIEW);
clientView.ViewSize = 0;
clientView.ViewBase = NULL;
actualClientView = &clientView;
}
status = NtAcceptConnectPort(
&portHandle,
client,
PortMessage,
TRUE,
NULL,
actualClientView
);
if (!NT_SUCCESS(status))
{
PhDereferenceObject(client);
return;
}
// IMPORTANT: Since Vista, NtCompleteConnectPort does not do anything and simply returns STATUS_SUCCESS.
// We will call it anyway (for completeness), but we need to use an event to ensure that other threads don't try
// to process requests before we have finished setting up the client object.
client->PortHandle = portHandle;
if (PhIsExecutingInWow64())
{
client->ClientViewBase = (PVOID)clientView64.ViewBase;
client->ClientViewLimit = PTR_ADD_OFFSET(clientView64.ViewBase, clientView64.ViewSize);
}
else
{
client->ClientViewBase = clientView.ViewBase;
client->ClientViewLimit = PTR_ADD_OFFSET(clientView.ViewBase, clientView.ViewSize);
}
NtCompleteConnectPort(portHandle);
PhSetEvent(&client->ReadyEvent);
if (_InterlockedIncrement(&PhSvcApiNumberOfClients) == 1)
{
NtSetEvent(PhSvcTimeoutCancelEventHandle, NULL);
}
}
INT WINAPI wWinMain(
_In_ HINSTANCE hInstance,
_In_opt_ HINSTANCE hPrevInstance,
_In_ PWSTR lpCmdLine,
_In_ INT nCmdShow
)
{
LONG result;
#ifdef DEBUG
PHP_BASE_THREAD_DBG dbg;
#endif
CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
#ifndef DEBUG
SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
#endif
PhInstanceHandle = (HINSTANCE)NtCurrentPeb()->ImageBaseAddress;
if (!NT_SUCCESS(PhInitializePhLib()))
return 1;
if (!PhInitializeAppSystem())
return 1;
PhInitializeCommonControls();
if (PhCurrentTokenQueryHandle)
{
PTOKEN_USER tokenUser;
if (NT_SUCCESS(PhGetTokenUser(PhCurrentTokenQueryHandle, &tokenUser)))
{
PhCurrentUserName = PhGetSidFullName(tokenUser->User.Sid, TRUE, NULL);
PhFree(tokenUser);
}
}
PhLocalSystemName = PhGetSidFullName(&PhSeLocalSystemSid, TRUE, NULL);
// There has been a report of the above call failing.
if (!PhLocalSystemName)
PhLocalSystemName = PhCreateString(L"NT AUTHORITY\\SYSTEM");
PhApplicationFileName = PhGetApplicationFileName();
PhApplicationDirectory = PhGetApplicationDirectory();
// Just in case
if (!PhApplicationFileName)
PhApplicationFileName = PhCreateString(L"ProcessHacker.exe");
if (!PhApplicationDirectory)
PhApplicationDirectory = PhReferenceEmptyString();
PhpProcessStartupParameters();
PhSettingsInitialization();
PhpEnablePrivileges();
if (PhStartupParameters.RunAsServiceMode)
{
RtlExitUserProcess(PhRunAsServiceStart(PhStartupParameters.RunAsServiceMode));
}
PhpInitializeSettings();
// Activate a previous instance if required.
if (PhGetIntegerSetting(L"AllowOnlyOneInstance") &&
!PhStartupParameters.NewInstance &&
!PhStartupParameters.ShowOptions &&
!PhStartupParameters.CommandMode &&
!PhStartupParameters.PhSvc)
{
PhActivatePreviousInstance();
}
if (PhGetIntegerSetting(L"EnableKph") && !PhStartupParameters.NoKph && !PhIsExecutingInWow64())
PhInitializeKph();
if (PhStartupParameters.CommandMode && PhStartupParameters.CommandType && PhStartupParameters.CommandAction)
{
NTSTATUS status;
status = PhCommandModeStart();
if (!NT_SUCCESS(status) && !PhStartupParameters.Silent)
{
PhShowStatus(NULL, L"Unable to execute the command", status, 0);
}
RtlExitUserProcess(status);
}
#ifdef DEBUG
dbg.ClientId = NtCurrentTeb()->ClientId;
dbg.StartAddress = wWinMain;
dbg.Parameter = NULL;
InsertTailList(&PhDbgThreadListHead, &dbg.ListEntry);
TlsSetValue(PhDbgThreadDbgTlsIndex, &dbg);
#endif
PhInitializeAutoPool(&BaseAutoPool);
PhEmInitialization();
PhGuiSupportInitialization();
PhTreeNewInitialization();
PhGraphControlInitialization();
PhHexEditInitialization();
PhColorBoxInitialization();
PhSmallIconSize.X = GetSystemMetrics(SM_CXSMICON);
PhSmallIconSize.Y = GetSystemMetrics(SM_CYSMICON);
PhLargeIconSize.X = GetSystemMetrics(SM_CXICON);
PhLargeIconSize.Y = GetSystemMetrics(SM_CYICON);
if (PhStartupParameters.ShowOptions)
{
// Elevated options dialog for changing the value of Replace Task Manager with Process Hacker.
PhShowOptionsDialog(PhStartupParameters.WindowHandle);
RtlExitUserProcess(STATUS_SUCCESS);
}
#ifndef DEBUG
if (PhIsExecutingInWow64() && !PhStartupParameters.PhSvc)
{
PhShowWarning(
NULL,
L"You are attempting to run the 32-bit version of Process Hacker on 64-bit Windows. "
L"Most features will not work correctly.\n\n"
L"Please run the 64-bit version of Process Hacker instead."
);
}
#endif
PhPluginsEnabled = PhGetIntegerSetting(L"EnablePlugins") && !PhStartupParameters.NoPlugins;
if (PhPluginsEnabled)
{
PhPluginsInitialization();
PhLoadPlugins();
}
if (PhStartupParameters.PhSvc)
{
MSG message;
// Turn the feedback cursor off.
PostMessage(NULL, WM_NULL, 0, 0);
GetMessage(&message, NULL, 0, 0);
RtlExitUserProcess(PhSvcMain(NULL, NULL, NULL));
}
// Create a mutant for the installer.
{
HANDLE mutantHandle;
OBJECT_ATTRIBUTES oa;
UNICODE_STRING mutantName;
RtlInitUnicodeString(&mutantName, L"\\BaseNamedObjects\\ProcessHacker2Mutant");
InitializeObjectAttributes(
&oa,
&mutantName,
0,
NULL,
NULL
);
NtCreateMutant(&mutantHandle, MUTANT_ALL_ACCESS, &oa, FALSE);
}
// Set priority.
{
PROCESS_PRIORITY_CLASS priorityClass;
priorityClass.Foreground = FALSE;
priorityClass.PriorityClass = PROCESS_PRIORITY_CLASS_HIGH;
if (PhStartupParameters.PriorityClass != 0)
priorityClass.PriorityClass = (UCHAR)PhStartupParameters.PriorityClass;
NtSetInformationProcess(NtCurrentProcess(), ProcessPriorityClass, &priorityClass, sizeof(PROCESS_PRIORITY_CLASS));
}
if (!PhMainWndInitialization(nCmdShow))
{
PhShowError(NULL, L"Unable to initialize the main window.");
return 1;
}
PhDrainAutoPool(&BaseAutoPool);
result = PhMainMessageLoop();
RtlExitUserProcess(result);
}
