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Definition at line 30 of file smsbapi.c. Referenced by SmpExecPgm(). {
NTSTATUS Status;
PSMP_SUBSYSTEM KnownSubsys;
SB_API_MSG SbApiMsg;
ULONG SessionId;
PSB_CREATE_SESSION_MSG CreateSessionMsg;
/* Write out the create session message including its initial process */
CreateSessionMsg = &SbApiMsg.CreateSession;
CreateSessionMsg->ProcessInfo = *ProcessInformation;
CreateSessionMsg->MuSessionId = MuSessionId;
if (DbgClientId)
{
CreateSessionMsg->ClientId = *DbgClientId;
}
else
{
CreateSessionMsg->ClientId.UniqueThread = NULL;
CreateSessionMsg->ClientId.UniqueProcess = NULL;
}
/* Find a subsystem responsible for this session */
SmpGetProcessMuSessionId(ProcessInformation->ProcessHandle, &MuSessionId);
if (!SmpCheckDuplicateMuSessionId(MuSessionId))
{
NtClose(ProcessInformation->ProcessHandle);
NtClose(ProcessInformation->ThreadHandle);
DPRINT1("SMSS: CreateSession status=%x\n", STATUS_OBJECT_NAME_NOT_FOUND);
return STATUS_OBJECT_NAME_NOT_FOUND;
}
/* Find the subsystem we have for this initial process */
KnownSubsys = SmpLocateKnownSubSysByType(MuSessionId,
ProcessInformation->
ImageInformation.SubSystemType);
if (KnownSubsys)
{
/* Duplicate the process handle into the message */
Status = NtDuplicateObject(NtCurrentProcess(),
ProcessInformation->ProcessHandle,
KnownSubsys->ProcessHandle,
&CreateSessionMsg->ProcessInfo.ProcessHandle,
PROCESS_ALL_ACCESS,
0,
0);
if (NT_SUCCESS(Status))
{
/* Duplicate the thread handle into the message */
Status = NtDuplicateObject(NtCurrentProcess(),
ProcessInformation->ThreadHandle,
KnownSubsys->ProcessHandle,
&CreateSessionMsg->ProcessInfo.ThreadHandle,
THREAD_ALL_ACCESS,
0,
0);
if (!NT_SUCCESS(Status))
{
/* Close everything on failure */
NtClose(ProcessInformation->ProcessHandle);
NtClose(ProcessInformation->ThreadHandle);
SmpDereferenceSubsystem(KnownSubsys);
DbgPrint("SmpSbCreateSession: NtDuplicateObject (Thread) Failed %lx\n", Status);
return Status;
}
/* Close the original handles as they are no longer needed */
NtClose(ProcessInformation->ProcessHandle);
NtClose(ProcessInformation->ThreadHandle);
/* Finally, allocate a new SMSS session ID for this session */
SessionId = SmpAllocateSessionId(KnownSubsys, OtherSubsystem);
CreateSessionMsg->SessionId = SessionId;
/* Fill out the LPC message header and send it to the client! */
SbApiMsg.ApiNumber = SbpCreateSession;
SbApiMsg.h.u2.ZeroInit = 0;
SbApiMsg.h.u1.s1.DataLength = sizeof(SB_CREATE_SESSION_MSG) + 8;
SbApiMsg.h.u1.s1.TotalLength = sizeof(SbApiMsg);
Status = NtRequestWaitReplyPort(KnownSubsys->SbApiPort,
&SbApiMsg.h,
&SbApiMsg.h);
if (!NT_SUCCESS(Status))
{
/* Bail out */
DPRINT1("SmpSbCreateSession: NtRequestWaitReply Failed %lx\n", Status);
}
else
{
/* If the API succeeded, get the result value from the LPC */
Status = SbApiMsg.ReturnValue;
}
/* Delete the session on any kind of failure */
if (!NT_SUCCESS(Status)) SmpDeleteSession(SessionId);
}
else
{
/* Close the handles on failure */
DPRINT1("SmpSbCreateSession: NtDuplicateObject (Process) Failed %lx\n", Status);
NtClose(ProcessInformation->ProcessHandle);
NtClose(ProcessInformation->ThreadHandle);
}
/* Dereference the subsystem and return the status of the LPC call */
SmpDereferenceSubsystem(KnownSubsys);
return Status;
}
/* If we don't yet have a subsystem, only native images can be launched */
if (ProcessInformation->ImageInformation.SubSystemType != IMAGE_SUBSYSTEM_NATIVE)
{
/* Fail */
DPRINT1("SMSS: %s SubSystem has not been started.\n",
SmpSubSystemNames[ProcessInformation->ImageInformation.SubSystemType]);
Status = STATUS_UNSUCCESSFUL;
NtClose(ProcessInformation->ProcessHandle);
NtClose(ProcessInformation->ThreadHandle);
return Status;
}
#if 0
/* This code handles debug applications, but it seems vestigial... */
if ((*(ULONGLONG)&CreateSessionMsg.ClientId) && (SmpDbgSsLoaded))
{
Process = RtlAllocateHeap(SmpHeap, SmBaseTag, sizeof(SMP_PROCESS));
if (!Process)
{
DPRINT1("Unable to initialize debugging for Native App %lx.%lx -- out of memory\n",
ProcessInformation->ClientId.UniqueProcess,
ProcessInformation->ClientId.UniqueThread);
NtClose(ProcessInformation->ProcessHandle);
NtClose(ProcessInformation->ThreadHandle);
return STATUS_NO_MEMORY;
}
Process->DbgClientId = CreateSessionMsg->ClientId;
Process->ClientId = ProcessInformation->ClientId;
InsertHeadList(&NativeProcessList, &Process->Entry);
DPRINT1("Native Debug App %lx.%lx\n", Process->ClientId.UniqueProcess, Process->ClientId.UniqueThread);
Status = NtSetInformationProcess(ProcessInformation->ProcessHandle, 7, &SmpDebugPort, 4);
ASSERT(NT_SUCCESS(Status));
}
#endif
/* This is a native application being started as the initial command */
DPRINT1("Subsystem active, starting thread\n");
NtClose(ProcessInformation->ProcessHandle);
NtResumeThread(ProcessInformation->ThreadHandle, NULL);
NtClose(ProcessInformation->ThreadHandle);
return STATUS_SUCCESS;
}
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