mirror of
https://github.com/reactos/reactos.git
synced 2025-02-25 01:39:30 +00:00
pointer to PEB becomes first parameter in call to NtProcessStartup
svn path=/trunk/; revision=838
This commit is contained in:
Eric Kohl
parent
904da6e474
commit
9d84d82bd7
5 changed files with 200 additions and 133 deletions
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@ -1,4 +1,4 @@
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typedef NTSTATUS (*PEPFUNC)(VOID);
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typedef NTSTATUS (*PEPFUNC)(PPEB);
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typedef struct _DLL
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{
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@ -1,4 +1,4 @@
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/* $Id: create.c,v 1.14 1999/12/06 00:23:40 ekohl Exp $
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/* $Id: create.c,v 1.15 1999/12/08 12:58:44 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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@ -93,10 +93,9 @@ HANDLE STDCALL CreateFirstThread(HANDLE ProcessHandle,
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LPSECURITY_ATTRIBUTES lpThreadAttributes,
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DWORD dwStackSize,
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LPTHREAD_START_ROUTINE lpStartAddress,
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LPVOID lpParameter,
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PPEB Peb,
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DWORD dwCreationFlags,
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LPDWORD lpThreadId,
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PWSTR lpCommandLine,
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HANDLE NTDllSectionHandle,
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HANDLE SectionHandle,
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PVOID ImageBase)
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@ -151,7 +150,7 @@ HANDLE STDCALL CreateFirstThread(HANDLE ProcessHandle,
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ThreadContext.SegDs = USER_DS;
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ThreadContext.SegCs = USER_CS;
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ThreadContext.SegSs = USER_DS;
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ThreadContext.Esp = STACK_TOP - 16;
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ThreadContext.Esp = STACK_TOP - 20;
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ThreadContext.EFlags = (1<<1) + (1<<9);
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DPRINT("ThreadContext.Eip %x\n",ThreadContext.Eip);
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@ -186,6 +185,11 @@ HANDLE STDCALL CreateFirstThread(HANDLE ProcessHandle,
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&DupSectionHandle,
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sizeof(DupSectionHandle),
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&BytesWritten);
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NtWriteVirtualMemory(ProcessHandle,
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(PVOID)(STACK_TOP - 16),
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&Peb,
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sizeof(PPEB),
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&BytesWritten);
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Status = NtCreateThread(&ThreadHandle,
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@ -343,6 +347,7 @@ HANDLE KERNEL32_MapFile(LPCWSTR lpApplicationName,
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static NTSTATUS
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CreatePeb (
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PPEB *PebPtr,
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HANDLE ProcessHandle,
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PPPB Ppb)
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{
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@ -391,6 +396,8 @@ CreatePeb (
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Ppb->TotalSize,
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&BytesWritten);
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*PebPtr = (PPEB)PebBase;
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return(STATUS_SUCCESS);
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}
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@ -412,7 +419,6 @@ CreateProcessW (
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HANDLE hSection, hProcess, hThread;
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NTSTATUS Status;
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LPTHREAD_START_ROUTINE lpStartAddress = NULL;
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LPVOID lpParameter = NULL;
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WCHAR TempCommandLine[256];
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PVOID BaseAddress;
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LARGE_INTEGER SectionOffset;
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@ -425,6 +431,7 @@ CreateProcessW (
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DWORD len = 0;
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PPPB Ppb;
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UNICODE_STRING CommandLine_U;
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PPEB Peb;
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DPRINT("CreateProcessW(lpApplicationName '%w', lpCommandLine '%w')\n",
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lpApplicationName,lpCommandLine);
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@ -519,7 +526,7 @@ CreateProcessW (
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* Create Process Environment Block
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*/
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DPRINT("Creating peb\n");
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CreatePeb(hProcess, Ppb);
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CreatePeb(&Peb, hProcess, Ppb);
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RtlDestroyProcessParameters (Ppb);
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@ -532,10 +539,9 @@ CreateProcessW (
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lpThreadAttributes,
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Headers.OptionalHeader.SizeOfStackReserve,
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lpStartAddress,
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lpParameter,
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Peb,
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dwCreationFlags,
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&lpProcessInformation->dwThreadId,
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TempCommandLine,
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NTDllSection,
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hSection,
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(PVOID)Headers.OptionalHeader.ImageBase);
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@ -1,4 +1,4 @@
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/* $Id: startup.c,v 1.12 1999/11/25 10:47:55 dwelch Exp $
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/* $Id: startup.c,v 1.13 1999/12/08 12:58:06 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -81,7 +81,8 @@ NTSTATUS LdrMapNTDllForProcess (HANDLE ProcessHandle,
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* ARGUMENTS:
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* DWORD ImageBase The base address of the process image
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*/
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VOID LdrStartup(HANDLE SectionHandle,
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VOID LdrStartup(PPEB Peb,
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HANDLE SectionHandle,
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DWORD ImageBase,
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HANDLE NTDllSectionHandle)
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{
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@ -90,9 +91,9 @@ VOID LdrStartup(HANDLE SectionHandle,
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NTSTATUS Status;
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PIMAGE_NT_HEADERS NTHeaders;
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DPRINT("LdrStartup(ImageBase %x, SectionHandle %x, "
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"NTDllSectionHandle %x)\n",ImageBase,
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SectionHandle, NTDllSectionHandle);
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DPRINT("LdrStartup(Peb %x SectionHandle %x, ImageBase %x, "
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"NTDllSectionHandle %x )\n",
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Peb, SectionHandle, ImageBase, NTDllSectionHandle);
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LdrDllListHead.BaseAddress = (PVOID)&_image_base__;
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LdrDllListHead.Prev = &LdrDllListHead;
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@ -128,9 +129,8 @@ VOID LdrStartup(HANDLE SectionHandle,
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}
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// dprintf("Transferring control to image at %x\n",EntryPoint);
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Status = EntryPoint();
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Status = EntryPoint(Peb);
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ZwTerminateProcess(NtCurrentProcess(),Status);
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}
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/* EOF */
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@ -1,4 +1,4 @@
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/* $Id: process.c,v 1.5 1999/12/06 00:22:43 ekohl Exp $
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/* $Id: process.c,v 1.6 1999/12/08 12:58:26 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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@ -35,10 +35,9 @@ RtlpCreateFirstThread(HANDLE ProcessHandle,
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PSECURITY_DESCRIPTOR SecurityDescriptor,
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DWORD dwStackSize,
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LPTHREAD_START_ROUTINE lpStartAddress,
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LPVOID lpParameter,
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PPEB Peb,
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DWORD dwCreationFlags,
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LPDWORD lpThreadId,
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PWSTR lpCommandLine,
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HANDLE NTDllSectionHandle,
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HANDLE SectionHandle,
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PVOID ImageBase)
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@ -67,6 +66,7 @@ RtlpCreateFirstThread(HANDLE ProcessHandle,
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else
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CreateSuspended = FALSE;
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/* create the process stack (first thead) */
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BaseAddress = (PVOID)(STACK_TOP - dwStackSize);
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Status = NtAllocateVirtualMemory(ProcessHandle,
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&BaseAddress,
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@ -88,7 +88,7 @@ RtlpCreateFirstThread(HANDLE ProcessHandle,
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ThreadContext.SegDs = USER_DS;
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ThreadContext.SegCs = USER_CS;
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ThreadContext.SegSs = USER_DS;
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ThreadContext.Esp = STACK_TOP - 16;
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ThreadContext.Esp = STACK_TOP - 20;
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ThreadContext.EFlags = (1<<1) + (1<<9);
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DPRINT("ThreadContext.Eip %x\n",ThreadContext.Eip);
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@ -123,6 +123,11 @@ RtlpCreateFirstThread(HANDLE ProcessHandle,
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&DupSectionHandle,
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sizeof(DupSectionHandle),
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&BytesWritten);
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NtWriteVirtualMemory(ProcessHandle,
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(PVOID)(STACK_TOP - 16),
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&Peb,
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sizeof(PPEB),
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&BytesWritten);
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Status = NtCreateThread(&ThreadHandle,
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THREAD_ALL_ACCESS,
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@ -221,7 +226,8 @@ RtlpMapFile(PUNICODE_STRING ApplicationName,
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static NTSTATUS
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RtlpCreatePeb (
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RtlpCreatePpbAndPeb (
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PPEB *PebPtr,
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HANDLE ProcessHandle,
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PPPB Ppb)
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{
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@ -233,9 +239,31 @@ RtlpCreatePeb (
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PVOID PpbBase;
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ULONG PpbSize;
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/* create the PPB */
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PpbBase = (PVOID)PEB_STARTUPINFO;
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PpbSize = Ppb->TotalSize;
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Status = NtAllocateVirtualMemory (
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ProcessHandle,
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&PpbBase,
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0,
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&PpbSize,
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MEM_COMMIT,
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PAGE_READWRITE);
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if (!NT_SUCCESS(Status))
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return(Status);
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DPRINT("Ppb size %x\n", PpbSize);
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NtWriteVirtualMemory (
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ProcessHandle,
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PpbBase,
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Ppb,
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Ppb->TotalSize,
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&BytesWritten);
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/* create the PEB */
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PebBase = (PVOID)PEB_BASE;
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PebSize = 0x1000;
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Status = NtAllocateVirtualMemory (
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ProcessHandle,
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&PebBase,
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@ -244,34 +272,18 @@ RtlpCreatePeb (
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MEM_COMMIT,
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PAGE_READWRITE);
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memset(&Peb, 0, sizeof(Peb));
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Peb.Ppb = (PPPB)PEB_STARTUPINFO;
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memset (&Peb, 0, sizeof(PEB));
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Peb.Ppb = (PPPB)PpbBase;
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NtWriteVirtualMemory(ProcessHandle,
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(PVOID)PEB_BASE,
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&Peb,
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sizeof(Peb),
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&BytesWritten);
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PpbBase = (PVOID)PEB_STARTUPINFO;
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PpbSize = Ppb->TotalSize;
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Status = NtAllocateVirtualMemory(ProcessHandle,
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&PpbBase,
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0,
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&PpbSize,
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MEM_COMMIT,
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PAGE_READWRITE);
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if (!NT_SUCCESS(Status))
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return(Status);
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DPRINT("Ppb size %x\n", PpbSize);
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NtWriteVirtualMemory (
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ProcessHandle,
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(PVOID)PEB_STARTUPINFO,
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Ppb,
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Ppb->TotalSize,
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PebBase,
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&Peb,
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sizeof(PEB),
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&BytesWritten);
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*PebPtr = (PPEB)PebBase;
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return STATUS_SUCCESS;
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}
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@ -293,8 +305,6 @@ RtlCreateUserProcess (
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HANDLE hSection, hProcess, hThread;
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NTSTATUS Status;
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LPTHREAD_START_ROUTINE lpStartAddress = NULL;
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LPVOID lpParameter = NULL;
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WCHAR TempCommandLine[256];
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PVOID BaseAddress;
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LARGE_INTEGER SectionOffset;
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IMAGE_NT_HEADERS Headers;
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@ -304,6 +314,7 @@ RtlCreateUserProcess (
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PROCESS_BASIC_INFORMATION ProcessBasicInfo;
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CLIENT_ID LocalClientId;
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ULONG retlen;
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PPEB Peb;
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DPRINT ("RtlCreateUserProcess(CommandLine '%w')\n",
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CommandLine->Buffer);
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@ -358,8 +369,8 @@ RtlCreateUserProcess (
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/*
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*
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*/
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DPRINT("Creating peb\n");
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RtlpCreatePeb (hProcess, Ppb);
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DPRINT("Creating PPB and PEB\n");
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RtlpCreatePpbAndPeb (&Peb, hProcess, Ppb);
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DPRINT("Creating thread for process\n");
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lpStartAddress = (LPTHREAD_START_ROUTINE)
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@ -371,10 +382,9 @@ RtlCreateUserProcess (
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ThreadSd,
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Headers.OptionalHeader.SizeOfStackReserve,
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lpStartAddress,
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lpParameter,
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Peb,
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dwCreationFlags,
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&LocalClientId.UniqueThread,
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TempCommandLine,
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NTDllSection,
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hSection,
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(PVOID)Headers.OptionalHeader.ImageBase);
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@ -37,72 +37,21 @@
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/* FUNCTIONS ****************************************************************/
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/**********************************************************************
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* NAME
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* LdrLoadImage
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*
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* FUNCTION:
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* Builds the initial environment for a process. Should be used
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* to load the initial user process.
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*
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* ARGUMENTS:
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* HANDLE ProcessHandle handle of the process to load the module into
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* PUNICODE_STRING Filename name of the module to load
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*
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* RETURNS:
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* NTSTATUS
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*/
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#define STACK_TOP (0xb0000000)
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static NTSTATUS LdrCreatePeb(HANDLE ProcessHandle)
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static NTSTATUS
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LdrCreatePpb (
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PPPB *PpbPtr,
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HANDLE ProcessHandle
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)
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{
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PVOID PebBase;
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ULONG PebSize;
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PEB Peb;
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PVOID PpbBase;
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ULONG PpbSize;
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PPB Ppb;
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ULONG BytesWritten;
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NTSTATUS Status;
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PebBase = (PVOID)PEB_BASE;
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PebSize = 0x1000;
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memset(&Peb, 0, sizeof Peb);
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Peb.Ppb = (PPPB)PEB_STARTUPINFO;
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Status = ZwAllocateVirtualMemory (
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ProcessHandle,
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(PVOID*)&PebBase,
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0,
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&PebSize,
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MEM_COMMIT,
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PAGE_READWRITE
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);
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if (!NT_SUCCESS(Status))
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{
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DbgPrint ("Peb allocation failed \n");
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DbgPrintErrorMessage (Status);
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}
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ZwWriteVirtualMemory (
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ProcessHandle,
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PebBase,
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&Peb,
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sizeof(Peb),
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&BytesWritten);
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/* write pointer to peb on the stack (parameter of NtProcessStartup) */
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ZwWriteVirtualMemory(
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ProcessHandle,
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(PVOID) (STACK_TOP - 16),
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&PebBase,
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sizeof (PVOID),
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& BytesWritten
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);
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/* Create process parameters block (PPB)*/
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PpbBase = (PVOID)PEB_STARTUPINFO;
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PpbSize = sizeof (PPB);
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@ -119,8 +68,10 @@ static NTSTATUS LdrCreatePeb(HANDLE ProcessHandle)
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{
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DbgPrint ("Ppb allocation failed \n");
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DbgPrintErrorMessage (Status);
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return Status;
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}
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/* initialize the ppb */
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memset (&Ppb, 0, sizeof(PPB));
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ZwWriteVirtualMemory (
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|
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@ -130,10 +81,75 @@ static NTSTATUS LdrCreatePeb(HANDLE ProcessHandle)
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sizeof(PPB),
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&BytesWritten);
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*PpbPtr = PpbBase;
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return STATUS_SUCCESS;
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}
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static NTSTATUS
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LdrCreatePeb (
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PPEB *PebPtr,
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HANDLE ProcessHandle,
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PPPB Ppb
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)
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{
|
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PPEB PebBase;
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ULONG PebSize;
|
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PEB Peb;
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ULONG BytesWritten;
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NTSTATUS Status;
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PebBase = (PVOID)PEB_BASE;
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PebSize = 0x1000;
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Status = ZwAllocateVirtualMemory (
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ProcessHandle,
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(PVOID*)&PebBase,
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0,
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&PebSize,
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MEM_COMMIT,
|
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PAGE_READWRITE
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);
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if (!NT_SUCCESS(Status))
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{
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DbgPrint ("Peb allocation failed \n");
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DbgPrintErrorMessage (Status);
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}
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/* initialize the peb */
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memset(&Peb, 0, sizeof Peb);
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Peb.Ppb = Ppb;
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ZwWriteVirtualMemory (
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ProcessHandle,
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PebBase,
|
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&Peb,
|
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sizeof(Peb),
|
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&BytesWritten);
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*PebPtr = (PPEB)PebBase;
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return(STATUS_SUCCESS);
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}
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|
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|
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/**********************************************************************
|
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* NAME
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* LdrLoadImage
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*
|
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* FUNCTION:
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* Builds the initial environment for a process. Should be used
|
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* to load the initial user process.
|
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*
|
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* ARGUMENTS:
|
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* HANDLE ProcessHandle handle of the process to load the module into
|
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* PUNICODE_STRING Filename name of the module to load
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*
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* RETURNS:
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* NTSTATUS
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*/
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NTSTATUS LdrLoadImage(HANDLE ProcessHandle,
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PUNICODE_STRING Filename)
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{
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|
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@ -161,6 +177,9 @@ NTSTATUS LdrLoadImage(HANDLE ProcessHandle,
|
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|
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WCHAR TmpNameBuffer [MAX_PATH];
|
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|
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PPPB Ppb;
|
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PPEB Peb;
|
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|
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|
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/* -- PART I -- */
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|
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|
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@ -440,6 +459,36 @@ NTSTATUS LdrLoadImage(HANDLE ProcessHandle,
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|
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/* -- PART III -- */
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/* Create the process parameter block (PPB) */
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Status = LdrCreatePpb (&Ppb,
|
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ProcessHandle);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("PPB creation failed ");
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DbgPrintErrorMessage(Status);
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|
||||
/* FIXME: unmap the section here */
|
||||
/* FIXME: destroy the section here */
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
/* Create the process environment block (PEB) */
|
||||
Status = LdrCreatePeb (&Peb,
|
||||
ProcessHandle,
|
||||
Ppb);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
DPRINT("PEB creation failed ");
|
||||
DbgPrintErrorMessage(Status);
|
||||
|
||||
/* FIXME: unmap the section here */
|
||||
/* FIXME: destroy the section here */
|
||||
/* FIXME: free the PPB */
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
/*
|
||||
* Create page backed section for stack
|
||||
*/
|
||||
|
|
@ -449,6 +498,7 @@ NTSTATUS LdrLoadImage(HANDLE ProcessHandle,
|
|||
);
|
||||
StackSize =
|
||||
NTHeaders->OptionalHeader.SizeOfStackReserve;
|
||||
DbgPrint ("Stack size %x\n", StackSize);
|
||||
|
||||
Status = ZwAllocateVirtualMemory(
|
||||
ProcessHandle,
|
||||
|
|
@ -509,22 +559,23 @@ NTSTATUS LdrLoadImage(HANDLE ProcessHandle,
|
|||
sizeof (DupSectionHandle),
|
||||
& BytesWritten
|
||||
);
|
||||
/*
|
||||
* Create a peb (grungy)
|
||||
*/
|
||||
Status = LdrCreatePeb(ProcessHandle);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
DbgPrint("LDR: Failed to create initial peb\n");
|
||||
return (Status);
|
||||
}
|
||||
|
||||
/* write pointer to peb on the stack (parameter of NtProcessStartup) */
|
||||
ZwWriteVirtualMemory(
|
||||
ProcessHandle,
|
||||
(PVOID) (STACK_TOP - 16),
|
||||
&Peb,
|
||||
sizeof (ULONG),
|
||||
&BytesWritten
|
||||
);
|
||||
|
||||
DbgPrint ("NTOSKRNL: Peb = %x\n", Peb);
|
||||
/*
|
||||
* Initialize context to point to LdrStartup
|
||||
*/
|
||||
memset(&Context,0,sizeof(CONTEXT));
|
||||
Context.SegSs = USER_DS;
|
||||
Context.Esp = STACK_TOP - 16;
|
||||
Context.Esp = STACK_TOP - 20;
|
||||
Context.EFlags = 0x202;
|
||||
Context.SegCs = USER_CS;
|
||||
Context.Eip = LdrStartupAddr;
|
||||
|
|
|
|||
Loading…
Reference in a new issue