mirror of
https://github.com/reactos/reactos.git
synced 2025-05-03 21:00:15 +00:00
revert hackfix (revision 39704)
svn path=/trunk/; revision=39705
This commit is contained in:
Matthias Kupfer
parent
0ef3ed3fb1
commit
c5dfe0ed6f
1 changed files with 141 additions and 179 deletions
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@ -701,7 +701,7 @@ QSI_DEF(SystemPathInformation)
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/* Class 5 - Process Information */
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QSI_DEF(SystemProcessInformation)
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{
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PSYSTEM_PROCESS_INFORMATION SpiCurrent = NULL;
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PSYSTEM_PROCESS_INFORMATION SpiCurrent;
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PSYSTEM_THREAD_INFORMATION ThreadInfo;
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PEPROCESS Process = NULL, SystemProcess;
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PETHREAD CurrentThread;
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@ -712,213 +712,176 @@ QSI_DEF(SystemProcessInformation)
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PLIST_ENTRY CurrentEntry;
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ULONG TotalSize = 0, ThreadsCount;
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ULONG TotalUser, TotalKernel;
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PUCHAR Current = NULL;
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PUCHAR Current;
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NTSTATUS Status = STATUS_SUCCESS;
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PUNICODE_STRING ProcessImageName;
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PWCHAR szSrc;
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//1 Write in to bufer
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//2 Calc size buffer
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//4 Vista compatible
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//Flags always start write and calculate size
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//For Vista compatible add "| 4"
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USHORT OSMode = 1 | 2;
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_SEH2_TRY
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{
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/* scan the process list */
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PSYSTEM_PROCESS_INFORMATION Spi
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= (PSYSTEM_PROCESS_INFORMATION) Buffer;
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= (PSYSTEM_PROCESS_INFORMATION) Buffer;
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while ((OSMode & 1) || (OSMode & 2))
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*ReqSize = sizeof(SYSTEM_PROCESS_INFORMATION);
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if (Size < sizeof(SYSTEM_PROCESS_INFORMATION))
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{
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//Vista first cycle only calc size and readonly
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if (OSMode & 4 && OSMode & 1)
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OSMode ^= 1;
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//not exists byffer or size protect write, only calc size
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if (OSMode & 1 && ((Size == 0) || (!Buffer)))
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OSMode ^= 1;
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_SEH2_YIELD(return STATUS_INFO_LENGTH_MISMATCH); // in case buffer size is too small
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}
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RtlZeroMemory(Spi, Size);
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if (OSMode & 1)
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{
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//Only in second cycle and vista compatible
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if (TotalSize > 0 && TotalSize > Size)
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{
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*ReqSize = TotalSize;
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_SEH2_YIELD(return STATUS_INFO_LENGTH_MISMATCH); // in case buffer size is too small
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}
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if (Size > 0)
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RtlZeroMemory(Spi, Size);
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Current = (PUCHAR) Spi;
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SpiCurrent = NULL;
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}
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SystemProcess = PsIdleProcess;
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Process = SystemProcess;
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Current = (PUCHAR) Spi;
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SystemProcess = PsIdleProcess;
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Process = SystemProcess;
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do
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{
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SpiCurrent = (PSYSTEM_PROCESS_INFORMATION) Current;
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do
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{
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ThreadsCount = 0;
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CurrentEntry = Process->ThreadListHead.Flink;
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while (CurrentEntry != &Process->ThreadListHead)
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{
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ThreadsCount = 0;
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CurrentEntry = Process->ThreadListHead.Flink;
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while (CurrentEntry != &Process->ThreadListHead)
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{
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ThreadsCount++;
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CurrentEntry = CurrentEntry->Flink;
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}
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}
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// size of the structure for every process
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CurrentSize = sizeof(SYSTEM_PROCESS_INFORMATION) + sizeof(SYSTEM_THREAD_INFORMATION) * ThreadsCount;
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ImageNameLength = 0;
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Status = SeLocateProcessImageName(Process, &ProcessImageName);
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szSrc = NULL;
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if (NT_SUCCESS(Status) && ProcessImageName->Length > 0)
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// size of the structure for every process
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CurrentSize = sizeof(SYSTEM_PROCESS_INFORMATION) + sizeof(SYSTEM_THREAD_INFORMATION) * ThreadsCount;
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ImageNameLength = 0;
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Status = SeLocateProcessImageName(Process, &ProcessImageName);
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szSrc = NULL;
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if (NT_SUCCESS(Status))
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{
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szSrc = (PWCHAR)((PCHAR)ProcessImageName->Buffer + ProcessImageName->Length);
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/* Loop the file name*/
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while (szSrc > ProcessImageName->Buffer)
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{
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szSrc = (PWCHAR)((PCHAR)ProcessImageName->Buffer + ProcessImageName->Length);
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/* Loop the file name*/
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while (szSrc > ProcessImageName->Buffer)
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/* Make sure this isn't a backslash */
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if (*--szSrc == OBJ_NAME_PATH_SEPARATOR)
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{
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/* Make sure this isn't a backslash */
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if (*--szSrc == OBJ_NAME_PATH_SEPARATOR)
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{
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szSrc++;
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break;
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}
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else
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{
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ImageNameLength += sizeof(WCHAR);
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}
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}
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}
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if (!ImageNameLength && Process != PsIdleProcess && Process->ImageFileName)
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{
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ImageNameLength = strlen(Process->ImageFileName) * sizeof(WCHAR);
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}
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/* Round up the image name length as NT does */
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ImageNameMaximumLength =
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(ImageNameLength > 0 ? ROUND_UP(ImageNameLength+1, 8) : 0);
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if (OSMode & 2)
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TotalSize += CurrentSize + ImageNameMaximumLength;
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if ((OSMode & 1) && Buffer && TotalSize <= Size)
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{
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//Set prev structure NextEntryOffset next structure only exists write buffer
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if (SpiCurrent && TotalSize <= Size)
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SpiCurrent->NextEntryOffset = Current - (PUCHAR)SpiCurrent;// relative offset to the beginnnig of the next structure
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SpiCurrent = (PSYSTEM_PROCESS_INFORMATION) Current;
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/* Fill system information */
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SpiCurrent->NumberOfThreads = ThreadsCount;
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SpiCurrent->CreateTime = Process->CreateTime;
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SpiCurrent->ImageName.Length = ImageNameLength;
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SpiCurrent->ImageName.MaximumLength = ImageNameMaximumLength;
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SpiCurrent->ImageName.Buffer = (void*)(Current + CurrentSize);
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/* Copy name to the end of the struct */
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if(Process != PsIdleProcess)
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{
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if (szSrc)
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{
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RtlCopyMemory(SpiCurrent->ImageName.Buffer, szSrc, SpiCurrent->ImageName.Length);
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}
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else if (Process->ImageFileName)
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{
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RtlInitAnsiString(&ImageName, Process->ImageFileName);
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RtlAnsiStringToUnicodeString(&SpiCurrent->ImageName, &ImageName, FALSE);
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}
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}
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else
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{
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RtlInitUnicodeString(&SpiCurrent->ImageName, NULL);
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ImageNameLength += sizeof(WCHAR);
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}
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SpiCurrent->BasePriority = Process->Pcb.BasePriority;
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SpiCurrent->UniqueProcessId = Process->UniqueProcessId;
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SpiCurrent->InheritedFromUniqueProcessId = Process->InheritedFromUniqueProcessId;
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SpiCurrent->HandleCount = ObGetProcessHandleCount(Process);
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SpiCurrent->PeakVirtualSize = Process->PeakVirtualSize;
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SpiCurrent->VirtualSize = Process->VirtualSize;
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SpiCurrent->PageFaultCount = Process->Vm.PageFaultCount;
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SpiCurrent->PeakWorkingSetSize = Process->Vm.PeakWorkingSetSize;
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SpiCurrent->WorkingSetSize = Process->Vm.WorkingSetSize;
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SpiCurrent->QuotaPeakPagedPoolUsage = Process->QuotaPeak[0];
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SpiCurrent->QuotaPagedPoolUsage = Process->QuotaUsage[0];
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SpiCurrent->QuotaPeakNonPagedPoolUsage = Process->QuotaPeak[1];
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SpiCurrent->QuotaNonPagedPoolUsage = Process->QuotaUsage[1];
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SpiCurrent->PagefileUsage = Process->QuotaUsage[2];
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SpiCurrent->PeakPagefileUsage = Process->QuotaPeak[2];
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SpiCurrent->PrivatePageCount = Process->CommitCharge;
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ThreadInfo = (PSYSTEM_THREAD_INFORMATION)(SpiCurrent + 1);
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CurrentEntry = Process->ThreadListHead.Flink;
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while (CurrentEntry != &Process->ThreadListHead)
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{
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CurrentThread = CONTAINING_RECORD(CurrentEntry, ETHREAD,
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ThreadListEntry);
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ThreadInfo->KernelTime.QuadPart = UInt32x32To64(CurrentThread->Tcb.KernelTime, KeMaximumIncrement);
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ThreadInfo->UserTime.QuadPart = UInt32x32To64(CurrentThread->Tcb.UserTime, KeMaximumIncrement);
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ThreadInfo->CreateTime.QuadPart = CurrentThread->CreateTime.QuadPart;
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ThreadInfo->WaitTime = CurrentThread->Tcb.WaitTime;
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ThreadInfo->StartAddress = (PVOID) CurrentThread->StartAddress;
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ThreadInfo->ClientId = CurrentThread->Cid;
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ThreadInfo->Priority = CurrentThread->Tcb.Priority;
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ThreadInfo->BasePriority = CurrentThread->Tcb.BasePriority;
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ThreadInfo->ContextSwitches = CurrentThread->Tcb.ContextSwitches;
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ThreadInfo->ThreadState = CurrentThread->Tcb.State;
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ThreadInfo->WaitReason = CurrentThread->Tcb.WaitReason;
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ThreadInfo++;
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CurrentEntry = CurrentEntry->Flink;
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}
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/* Query total user/kernel times of a process */
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TotalKernel = KeQueryRuntimeProcess(&Process->Pcb, &TotalUser);
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SpiCurrent->UserTime.QuadPart = UInt32x32To64(TotalUser, KeMaximumIncrement);
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SpiCurrent->KernelTime.QuadPart = UInt32x32To64(TotalKernel, KeMaximumIncrement);
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}
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/* Release the memory allocated by SeLocateProcessImageName */
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if (NT_SUCCESS(Status)) ExFreePool(ProcessImageName);
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}
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if (!ImageNameLength && Process != PsIdleProcess && Process->ImageFileName)
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{
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ImageNameLength = strlen(Process->ImageFileName) * sizeof(WCHAR);
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}
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/* Handle idle process entry */
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if (Process == PsIdleProcess) Process = NULL;
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/* Round up the image name length as NT does */
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ImageNameMaximumLength = ROUND_UP(ImageNameLength, 8);
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Process = PsGetNextProcess(Process);
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ThreadsCount = 0;
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if ((Process == SystemProcess) || (Process == NULL))
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TotalSize += CurrentSize + ImageNameMaximumLength;
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if (TotalSize > Size)
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{
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*ReqSize = TotalSize;
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ObDereferenceObject(Process);
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/* Release the memory allocated by SeLocateProcessImageName */
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if (NT_SUCCESS(Status)) ExFreePool(ProcessImageName);
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_SEH2_YIELD(return STATUS_INFO_LENGTH_MISMATCH); // in case buffer size is too small
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}
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/* Fill system information */
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SpiCurrent->NextEntryOffset = CurrentSize + ImageNameMaximumLength; // relative offset to the beginnnig of the next structure
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SpiCurrent->NumberOfThreads = ThreadsCount;
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SpiCurrent->CreateTime = Process->CreateTime;
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SpiCurrent->ImageName.Length = ImageNameLength;
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SpiCurrent->ImageName.MaximumLength = ImageNameMaximumLength;
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SpiCurrent->ImageName.Buffer = (void*)(Current + CurrentSize);
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/* Copy name to the end of the struct */
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if(Process != PsIdleProcess)
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{
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if (szSrc)
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{
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RtlCopyMemory(SpiCurrent->ImageName.Buffer, szSrc, SpiCurrent->ImageName.Length);
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/* Release the memory allocated by SeLocateProcessImageName */
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ExFreePool(ProcessImageName);
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}
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else if (Process->ImageFileName)
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{
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RtlInitAnsiString(&ImageName, Process->ImageFileName);
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RtlAnsiStringToUnicodeString(&SpiCurrent->ImageName, &ImageName, FALSE);
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}
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}
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else
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{
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RtlInitUnicodeString(&SpiCurrent->ImageName, NULL);
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}
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SpiCurrent->BasePriority = Process->Pcb.BasePriority;
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SpiCurrent->UniqueProcessId = Process->UniqueProcessId;
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SpiCurrent->InheritedFromUniqueProcessId = Process->InheritedFromUniqueProcessId;
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SpiCurrent->HandleCount = ObGetProcessHandleCount(Process);
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SpiCurrent->PeakVirtualSize = Process->PeakVirtualSize;
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SpiCurrent->VirtualSize = Process->VirtualSize;
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SpiCurrent->PageFaultCount = Process->Vm.PageFaultCount;
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SpiCurrent->PeakWorkingSetSize = Process->Vm.PeakWorkingSetSize;
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SpiCurrent->WorkingSetSize = Process->Vm.WorkingSetSize;
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SpiCurrent->QuotaPeakPagedPoolUsage = Process->QuotaPeak[0];
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SpiCurrent->QuotaPagedPoolUsage = Process->QuotaUsage[0];
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SpiCurrent->QuotaPeakNonPagedPoolUsage = Process->QuotaPeak[1];
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SpiCurrent->QuotaNonPagedPoolUsage = Process->QuotaUsage[1];
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SpiCurrent->PagefileUsage = Process->QuotaUsage[2];
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SpiCurrent->PeakPagefileUsage = Process->QuotaPeak[2];
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SpiCurrent->PrivatePageCount = Process->CommitCharge;
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ThreadInfo = (PSYSTEM_THREAD_INFORMATION)(SpiCurrent + 1);
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CurrentEntry = Process->ThreadListHead.Flink;
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while (CurrentEntry != &Process->ThreadListHead)
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{
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CurrentThread = CONTAINING_RECORD(CurrentEntry, ETHREAD,
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ThreadListEntry);
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ThreadInfo->KernelTime.QuadPart = UInt32x32To64(CurrentThread->Tcb.KernelTime, KeMaximumIncrement);
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ThreadInfo->UserTime.QuadPart = UInt32x32To64(CurrentThread->Tcb.UserTime, KeMaximumIncrement);
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ThreadInfo->CreateTime.QuadPart = CurrentThread->CreateTime.QuadPart;
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ThreadInfo->WaitTime = CurrentThread->Tcb.WaitTime;
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ThreadInfo->StartAddress = (PVOID) CurrentThread->StartAddress;
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ThreadInfo->ClientId = CurrentThread->Cid;
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ThreadInfo->Priority = CurrentThread->Tcb.Priority;
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ThreadInfo->BasePriority = CurrentThread->Tcb.BasePriority;
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ThreadInfo->ContextSwitches = CurrentThread->Tcb.ContextSwitches;
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ThreadInfo->ThreadState = CurrentThread->Tcb.State;
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ThreadInfo->WaitReason = CurrentThread->Tcb.WaitReason;
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ThreadInfo++;
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CurrentEntry = CurrentEntry->Flink;
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}
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/* Query total user/kernel times of a process */
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TotalKernel = KeQueryRuntimeProcess(&Process->Pcb, &TotalUser);
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SpiCurrent->UserTime.QuadPart = UInt32x32To64(TotalUser, KeMaximumIncrement);
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SpiCurrent->KernelTime.QuadPart = UInt32x32To64(TotalKernel, KeMaximumIncrement);
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/* Handle idle process entry */
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if (Process == PsIdleProcess) Process = NULL;
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Process = PsGetNextProcess(Process);
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ThreadsCount = 0;
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if ((Process == SystemProcess) || (Process == NULL))
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{
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SpiCurrent->NextEntryOffset = 0;
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break;
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}
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else
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{
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if (Current)
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Current += CurrentSize + ImageNameMaximumLength;
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}
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}
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else
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Current += CurrentSize + ImageNameMaximumLength;
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} while ((Process != SystemProcess) && (Process != NULL));
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//Break parameters information for only calc size
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if ((Size == 0) || (!Buffer))
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break;
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//Stop write in to buffer
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if (OSMode & 1)
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OSMode ^= 1;
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//Only first cycle calc size
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if (OSMode & 2)
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OSMode ^= 2;
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//Vista next cycle write in to Buffer
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if (OSMode & 4)
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{
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OSMode |= 1;
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OSMode ^= 4;
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}
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};
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if(Process != NULL)
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ObDereferenceObject(Process);
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if ((Size == 0) || (!Buffer) || (TotalSize > Size))
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Status = STATUS_INFO_LENGTH_MISMATCH;
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else
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if(Process != NULL)
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ObDereferenceObject(Process);
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Status = STATUS_SUCCESS;
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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@ -1925,9 +1888,8 @@ NtQuerySystemInformation(IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
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if (PreviousMode != KernelMode)
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{
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/* SystemKernelDebuggerInformation needs only BOOLEAN alignment */
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if (SystemInformation)
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ProbeForWrite(SystemInformation, Length, 1);
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if (UnsafeResultLength)
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ProbeForWrite(SystemInformation, Length, 1);
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if (UnsafeResultLength != NULL)
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ProbeForWriteUlong(UnsafeResultLength);
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}
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