mirror of
https://github.com/reactos/reactos.git
synced 2024-11-09 08:08:38 +00:00
401 lines
11 KiB
C
401 lines
11 KiB
C
/* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/rtl/dbgbuffer.c
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* PROGRAMER: James Tabor
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*/
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/* INCLUDES *****************************************************************/
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#include <rtl.h>
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS *****************************************************************/
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/*
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* @unimplemented
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*/
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PRTL_DEBUG_INFORMATION NTAPI
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RtlCreateQueryDebugBuffer(IN ULONG Size,
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IN BOOLEAN EventPair)
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{
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NTSTATUS Status;
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PRTL_DEBUG_INFORMATION Buf = NULL;
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SIZE_T ViewSize = 100 * PAGE_SIZE;
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Status = NtAllocateVirtualMemory( NtCurrentProcess(),
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(PVOID*)&Buf,
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0,
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&ViewSize,
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MEM_COMMIT,
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PAGE_READWRITE);
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if (!NT_SUCCESS(Status))
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{
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return NULL;
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}
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Buf->ViewBaseClient = Buf;
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Buf->ViewSize = ViewSize;
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DPRINT("RtlCQDB: BA: %p BS: 0x%lx\n", Buf->ViewBaseClient, Buf->ViewSize);
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return Buf;
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}
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/*
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* @unimplemented
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*/
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NTSTATUS NTAPI
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RtlDestroyQueryDebugBuffer(IN PRTL_DEBUG_INFORMATION Buf)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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if (NULL != Buf)
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{
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Status = NtFreeVirtualMemory( NtCurrentProcess(),
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(PVOID)&Buf,
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(PSIZE_T)&Buf->ViewSize, /* FIXME: not portable! */
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MEM_RELEASE);
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}
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("RtlDQDB: Failed to free VM!\n");
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}
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return Status;
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}
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/*
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* Based on lib/epsapi/enum/modules.c by KJK::Hyperion.
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*
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*/
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NTSTATUS NTAPI
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RtlpQueryRemoteProcessModules(HANDLE ProcessHandle,
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IN PRTL_PROCESS_MODULES Modules OPTIONAL,
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IN ULONG Size OPTIONAL,
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OUT PULONG ReturnedSize)
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{
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PROCESS_BASIC_INFORMATION pbiInfo;
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PPEB_LDR_DATA ppldLdrData;
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LDR_DATA_TABLE_ENTRY lmModule;
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PLIST_ENTRY pleListHead;
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PLIST_ENTRY pleCurEntry;
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PRTL_PROCESS_MODULE_INFORMATION ModulePtr = NULL;
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NTSTATUS Status = STATUS_SUCCESS;
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ULONG UsedSize = sizeof(ULONG);
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ANSI_STRING AnsiString;
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PCHAR p;
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DPRINT("RtlpQueryRemoteProcessModules Start\n");
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/* query the process basic information (includes the PEB address) */
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Status = NtQueryInformationProcess ( ProcessHandle,
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ProcessBasicInformation,
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&pbiInfo,
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sizeof(PROCESS_BASIC_INFORMATION),
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NULL);
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if (!NT_SUCCESS(Status))
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{
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/* failure */
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DPRINT("NtQueryInformationProcess 1 0x%lx \n", Status);
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return Status;
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}
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if (Modules == NULL || Size == 0)
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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}
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else
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{
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Modules->NumberOfModules = 0;
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ModulePtr = &Modules->Modules[0];
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Status = STATUS_SUCCESS;
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}
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/* get the address of the PE Loader data */
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Status = NtReadVirtualMemory ( ProcessHandle,
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&(pbiInfo.PebBaseAddress->Ldr),
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&ppldLdrData,
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sizeof(ppldLdrData),
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NULL );
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if (!NT_SUCCESS(Status))
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{
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/* failure */
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DPRINT("NtReadVirtualMemory 1 0x%lx \n", Status);
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return Status;
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}
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/* head of the module list: the last element in the list will point to this */
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pleListHead = &ppldLdrData->InLoadOrderModuleList;
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/* get the address of the first element in the list */
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Status = NtReadVirtualMemory ( ProcessHandle,
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&(ppldLdrData->InLoadOrderModuleList.Flink),
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&pleCurEntry,
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sizeof(pleCurEntry),
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NULL );
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if (!NT_SUCCESS(Status))
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{
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/* failure */
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DPRINT("NtReadVirtualMemory 2 0x%lx \n", Status);
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return Status;
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}
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while(pleCurEntry != pleListHead)
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{
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UNICODE_STRING Unicode;
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WCHAR Buffer[256 * sizeof(WCHAR)];
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/* read the current module */
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Status = NtReadVirtualMemory ( ProcessHandle,
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CONTAINING_RECORD(pleCurEntry, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks),
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&lmModule,
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sizeof(LDR_DATA_TABLE_ENTRY),
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NULL );
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/* Import module name from remote Process user space. */
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Unicode.Length = lmModule.FullDllName.Length;
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Unicode.MaximumLength = lmModule.FullDllName.MaximumLength;
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Unicode.Buffer = Buffer;
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Status = NtReadVirtualMemory ( ProcessHandle,
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lmModule.FullDllName.Buffer,
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Unicode.Buffer,
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Unicode.Length,
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NULL );
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if (!NT_SUCCESS(Status))
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{
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/* failure */
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DPRINT( "NtReadVirtualMemory 3 0x%lx \n", Status);
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return Status;
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}
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DPRINT(" Module %wZ\n", &Unicode);
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if (UsedSize > Size)
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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}
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else if (Modules != NULL)
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{
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ModulePtr->Section = 0;
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ModulePtr->MappedBase = NULL; // FIXME: ??
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ModulePtr->ImageBase = lmModule.DllBase;
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ModulePtr->ImageSize = lmModule.SizeOfImage;
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ModulePtr->Flags = lmModule.Flags;
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ModulePtr->LoadOrderIndex = 0; // FIXME: ??
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ModulePtr->InitOrderIndex = 0; // FIXME: ??
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ModulePtr->LoadCount = lmModule.LoadCount;
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AnsiString.Length = 0;
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AnsiString.MaximumLength = 256;
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AnsiString.Buffer = ModulePtr->FullPathName;
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RtlUnicodeStringToAnsiString(&AnsiString,
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&Unicode,
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FALSE);
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p = strrchr(ModulePtr->FullPathName, '\\');
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if (p != NULL)
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ModulePtr->OffsetToFileName = p - ModulePtr->FullPathName + 1;
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else
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ModulePtr->OffsetToFileName = 0;
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ModulePtr++;
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Modules->NumberOfModules++;
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}
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UsedSize += sizeof(RTL_PROCESS_MODULE_INFORMATION);
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/* address of the next module in the list */
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pleCurEntry = lmModule.InLoadOrderLinks.Flink;
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}
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if (ReturnedSize != 0)
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*ReturnedSize = UsedSize;
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DPRINT("RtlpQueryRemoteProcessModules End\n");
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/* success */
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return (STATUS_SUCCESS);
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}
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/*
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* @unimplemented
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*/
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NTSTATUS NTAPI
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RtlQueryProcessDebugInformation(IN ULONG ProcessId,
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IN ULONG DebugInfoMask,
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IN OUT PRTL_DEBUG_INFORMATION Buf)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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ULONG Pid = (ULONG) NtCurrentTeb()->Cid.UniqueProcess;
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Buf->Flags = DebugInfoMask;
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Buf->OffsetFree = sizeof(RTL_DEBUG_INFORMATION);
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DPRINT("QueryProcessDebugInformation Start\n");
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/*
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Currently ROS can not read-only from kenrel space, and doesn't
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check for boundaries inside kernel space that are page protected
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from every one but the kernel. aka page 0 - 2
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*/
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if (ProcessId <= 1)
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{
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Status = STATUS_ACCESS_VIOLATION;
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}
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else
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if (Pid == ProcessId)
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{
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if (DebugInfoMask & RTL_DEBUG_QUERY_MODULES)
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{
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PRTL_PROCESS_MODULES Mp;
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ULONG ReturnSize = 0;
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ULONG MSize;
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Mp = (PRTL_PROCESS_MODULES)(Buf + Buf->OffsetFree);
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/* I like this better than the do & while loop. */
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Status = LdrQueryProcessModuleInformation( NULL,
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0 ,
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&ReturnSize);
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Status = LdrQueryProcessModuleInformation( Mp,
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ReturnSize ,
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&ReturnSize);
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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MSize = Mp->NumberOfModules * (sizeof(RTL_PROCESS_MODULES) + 8);
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Buf->Modules = Mp;
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Buf->OffsetFree = Buf->OffsetFree + MSize;
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}
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if (DebugInfoMask & RTL_DEBUG_QUERY_HEAPS)
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{
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PRTL_PROCESS_HEAPS Hp;
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ULONG HSize;
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Hp = (PRTL_PROCESS_HEAPS)(Buf + Buf->OffsetFree);
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HSize = sizeof(RTL_PROCESS_HEAPS);
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if (DebugInfoMask & RTL_DEBUG_QUERY_HEAP_TAGS)
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{
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}
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if (DebugInfoMask & RTL_DEBUG_QUERY_HEAP_BLOCKS)
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{
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}
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Buf->Heaps = Hp;
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Buf->OffsetFree = Buf->OffsetFree + HSize;
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}
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if (DebugInfoMask & RTL_DEBUG_QUERY_LOCKS)
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{
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PRTL_PROCESS_LOCKS Lp;
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ULONG LSize;
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Lp = (PRTL_PROCESS_LOCKS)(Buf + Buf->OffsetFree);
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LSize = sizeof(RTL_PROCESS_LOCKS);
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Buf->Locks = Lp;
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Buf->OffsetFree = Buf->OffsetFree + LSize;
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}
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DPRINT("QueryProcessDebugInformation end \n");
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DPRINT("QueryDebugInfo : 0x%lx\n", Buf->OffsetFree);
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}
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else
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{
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HANDLE hProcess;
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CLIENT_ID ClientId;
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OBJECT_ATTRIBUTES ObjectAttributes;
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Buf->TargetProcessHandle = NtCurrentProcess();
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ClientId.UniqueThread = 0;
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ClientId.UniqueProcess = (HANDLE)ProcessId;
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InitializeObjectAttributes(&ObjectAttributes,
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NULL,
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0,
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NULL,
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NULL);
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Status = NtOpenProcess( &hProcess,
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(PROCESS_ALL_ACCESS),
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&ObjectAttributes,
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&ClientId );
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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if (DebugInfoMask & RTL_DEBUG_QUERY_MODULES)
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{
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PRTL_PROCESS_MODULES Mp;
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ULONG ReturnSize = 0;
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ULONG MSize;
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Mp = (PRTL_PROCESS_MODULES)(Buf + Buf->OffsetFree);
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Status = RtlpQueryRemoteProcessModules( hProcess,
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NULL,
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0,
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&ReturnSize);
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Status = RtlpQueryRemoteProcessModules( hProcess,
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Mp,
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ReturnSize ,
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&ReturnSize);
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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MSize = Mp->NumberOfModules * (sizeof(RTL_PROCESS_MODULES) + 8);
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Buf->Modules = Mp;
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Buf->OffsetFree = Buf->OffsetFree + MSize;
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}
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if (DebugInfoMask & RTL_DEBUG_QUERY_HEAPS)
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{
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PRTL_PROCESS_HEAPS Hp;
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ULONG HSize;
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Hp = (PRTL_PROCESS_HEAPS)(Buf + Buf->OffsetFree);
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HSize = sizeof(RTL_PROCESS_HEAPS);
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if (DebugInfoMask & RTL_DEBUG_QUERY_HEAP_TAGS)
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{
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}
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if (DebugInfoMask & RTL_DEBUG_QUERY_HEAP_BLOCKS)
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{
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}
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Buf->Heaps = Hp;
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Buf->OffsetFree = Buf->OffsetFree + HSize;
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}
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if (DebugInfoMask & RTL_DEBUG_QUERY_LOCKS)
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{
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PRTL_PROCESS_LOCKS Lp;
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ULONG LSize;
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Lp = (PRTL_PROCESS_LOCKS)(Buf + Buf->OffsetFree);
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LSize = sizeof(RTL_PROCESS_LOCKS);
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Buf->Locks = Lp;
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Buf->OffsetFree = Buf->OffsetFree + LSize;
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}
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DPRINT("QueryProcessDebugInformation end \n");
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DPRINT("QueryDebugInfo : 0x%lx\n", Buf->OffsetFree);
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}
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return Status;
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}
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/* EOL */
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