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https://github.com/reactos/reactos.git
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finally working spawn
svn path=/trunk/; revision=2754
This commit is contained in:
KJK::Hyperion
parent
01011e86cc
commit
9e44e1b4a3
1 changed files with 125 additions and 38 deletions
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@ -1,4 +1,4 @@
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/* $Id: spawn.c,v 1.4 2002/03/11 20:46:38 hyperion Exp $
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/* $Id: spawn.c,v 1.5 2002/03/21 22:43:27 hyperion Exp $
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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@ -33,6 +33,26 @@
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#include <psx/spawn.h>
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#include <psx/stdlib.h>
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#include <windows.h>
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typedef struct _PORT_MESSAGE {
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USHORT DataSize;
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USHORT MessageSize;
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USHORT MessageType;
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USHORT VirtualRangesOffset;
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CLIENT_ID ClientId;
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ULONG MessageId;
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ULONG SectionSize;
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// UCHAR Data[];
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} PORT_MESSAGE, *PPORT_MESSAGE;
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NTSTATUS STDCALL CsrClientCallServer(
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IN PVOID Message,
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IN PVOID Unknown,
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IN ULONG Opcode,
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IN ULONG Size
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);
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NTSTATUS STDCALL __PdxSpawnPosixProcess
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(
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OUT PHANDLE ProcessHandle,
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@ -43,20 +63,34 @@ NTSTATUS STDCALL __PdxSpawnPosixProcess
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IN __PPDX_PDATA ProcessData
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)
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{
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struct CSRSS_MESSAGE {
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ULONG Unknown1;
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ULONG Opcode;
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ULONG Status;
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ULONG Unknown2;
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};
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struct __tagcsrmsg{
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PORT_MESSAGE PortMessage;
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struct CSRSS_MESSAGE CsrssMessage;
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PROCESS_INFORMATION ProcessInformation;
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CLIENT_ID Debugger;
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ULONG CreationFlags;
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ULONG VdmInfo[2];
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} csrmsg;
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__PPDX_SERIALIZED_PDATA pspdProcessData;
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IO_STATUS_BLOCK isbStatus;
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PROCESS_BASIC_INFORMATION pbiProcessInfo;
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ANSI_STRING strStartEntry;
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PVOID pStartAddress;
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INITIAL_TEB itInitialTeb;
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PRTL_USER_PROCESS_PARAMETERS pppProcessParameters;
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SECTION_IMAGE_INFORMATION siiInfo;
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CONTEXT ctxThreadContext;
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CLIENT_ID ciClientId;
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NTSTATUS nErrCode;
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HANDLE hExeFile;
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HANDLE hExeImage;
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HANDLE hProcess;
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HANDLE hThread;
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PVOID pPdataBuffer = 0;
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PVOID pParamsBuffer = 0;
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ULONG nDestBufferSize;
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@ -108,6 +142,24 @@ NTSTATUS STDCALL __PdxSpawnPosixProcess
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return (nErrCode);
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}
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/* 1.3: get section image information */
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nErrCode = NtQuerySection
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(
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hExeImage,
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SectionImageInformation,
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&siiInfo,
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sizeof(siiInfo),
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NULL
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);
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/* failure */
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if(!NT_SUCCESS(nErrCode))
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{
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ERR("NtCreateSection() failed with status 0x%08X\n", nErrCode);
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NtClose(hExeImage);
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return (nErrCode);
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}
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/* STEP 2: create process */
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nErrCode = NtCreateProcess
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(
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@ -241,7 +293,8 @@ NTSTATUS STDCALL __PdxSpawnPosixProcess
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goto undoPData;
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}
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/* 3.6: write the process data */
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/* 3.6: write data */
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/* 3.6.1: process data */
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nErrCode = NtWriteVirtualMemory
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(
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hProcess,
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@ -251,6 +304,30 @@ NTSTATUS STDCALL __PdxSpawnPosixProcess
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NULL
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);
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/* failure */
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if(!NT_SUCCESS(nErrCode))
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{
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ERR("NtWriteVirtualMemory() failed with status 0x%08X\n", nErrCode);
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goto undoPData;
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}
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/* 3.6.2 process parameters */
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nErrCode = NtWriteVirtualMemory
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(
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hProcess,
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pParamsBuffer,
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pppProcessParameters,
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pppProcessParameters->Length,
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NULL
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);
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/* failure */
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if(!NT_SUCCESS(nErrCode))
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{
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ERR("NtWriteVirtualMemory() failed with status 0x%08X\n", nErrCode);
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goto undoPData;
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}
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undoPData:
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/* deallocate the temporary data block in the current process */
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NtFreeVirtualMemory
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@ -398,34 +475,12 @@ undoPData:
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}
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/* STEP 5: create first thread */
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/* 5.1: get thunk routine's address */
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RtlInitAnsiString(&strStartEntry, "LdrInitializeThunk");
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#if 1
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nErrCode = LdrGetProcedureAddress
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(
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(PVOID)0x78460000, /* NTDLL_BASE */
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&strStartEntry,
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0,
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&pStartAddress
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);
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/* failure */
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if(!NT_SUCCESS(nErrCode))
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{
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ERR("LdrGetProcedureAddress() failed with status 0x%08X\n", nErrCode);
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goto failProcess;
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}
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#else
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pStartAddress = LdrGetProcedureAddress;
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#endif
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/* 5.2: set up the stack */
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/* 5.1: set up the stack */
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itInitialTeb.StackAllocate = NULL;
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nVirtualSize = 0x100000;
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nCommitSize = 0x100000 - PAGESIZE;
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/* 5.2.1: reserve the stack */
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/* 5.1.1: reserve the stack */
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nErrCode = NtAllocateVirtualMemory
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(
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hProcess,
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@ -449,7 +504,7 @@ undoPData:
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itInitialTeb.StackLimit =
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(PVOID)((ULONG)itInitialTeb.StackBase - nCommitSize);
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/* 5.2.2: commit the stack */
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/* 5.1.2: commit the stack */
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nVirtualSize = nCommitSize + PAGESIZE;
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pCommitBottom =
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(PVOID)((ULONG)itInitialTeb.StackBase - nVirtualSize);
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@ -471,7 +526,7 @@ undoPData:
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goto failProcess;
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}
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/* 5.2.3: set up the guard page */
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/* 5.1.3: set up the guard page */
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nVirtualSize = PAGESIZE;
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nErrCode = NtProtectVirtualMemory
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@ -490,22 +545,20 @@ undoPData:
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goto failProcess;
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}
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/* 5.3: initialize the thread context */
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/* 5.2: initialize the thread context */
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memset(&ctxThreadContext, 0, sizeof(ctxThreadContext));
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ctxThreadContext.Eip = (ULONG)pStartAddress;
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ctxThreadContext.Eip = (ULONG)siiInfo.EntryPoint;
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ctxThreadContext.SegGs = USER_DS;
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ctxThreadContext.SegFs = USER_DS;
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ctxThreadContext.SegEs = USER_DS;
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ctxThreadContext.SegDs = USER_DS;
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ctxThreadContext.SegCs = USER_CS;
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ctxThreadContext.SegSs = USER_DS;
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/* skip five doublewords (four - unknown - parameters for LdrInitializeThunk,
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and the return address) */
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ctxThreadContext.Esp = (ULONG)itInitialTeb.StackBase - 5 * 4;
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ctxThreadContext.Esp = (ULONG)itInitialTeb.StackBase - 4;
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ctxThreadContext.EFlags = (1 << 1) + (1 << 9);
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/* 5.4: create the thread object */
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/* 5.3: create the thread object */
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nErrCode = NtCreateThread
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(
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ThreadHandle,
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@ -515,7 +568,8 @@ undoPData:
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&ciClientId,
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&ctxThreadContext,
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&itInitialTeb,
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FALSE
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TRUE /* FIXME: the thread is only created in suspended state for easier
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debugging. This behavior is subject to future changes */
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);
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/* failure */
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@ -525,6 +579,39 @@ undoPData:
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goto failProcess;
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}
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/* 6: register the process with the Win32 subsystem (temporary code for
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debugging purposes) */
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memset(&csrmsg, 0, sizeof(csrmsg));
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//csrmsg.PortMessage = {0};
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//csrmsg.CsrssMessage = {0};
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csrmsg.ProcessInformation.hProcess = hProcess;
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csrmsg.ProcessInformation.hThread = *ThreadHandle;
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csrmsg.ProcessInformation.dwProcessId = (DWORD)ciClientId.UniqueProcess;
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csrmsg.ProcessInformation.dwThreadId = (DWORD)ciClientId.UniqueThread;
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//csrmsg.Debugger = {0};
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//csrmsg.CreationFlags = 0;
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//csrmsg.VdmInfo = {0};
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nErrCode = CsrClientCallServer(&csrmsg, 0, 0x10000, 0x24);
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/* failure */
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if(!NT_SUCCESS(nErrCode))
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{
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ERR("CsrClientCallServer() failed with status 0x%08X\n", nErrCode);
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goto failProcess;
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}
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nErrCode = NtResumeThread(*ThreadHandle, NULL);
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/* failure */
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if(!NT_SUCCESS(nErrCode))
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{
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ERR("NtResumeThread() failed with status 0x%08X\n", nErrCode);
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goto failProcess;
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}
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/* success */
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return (STATUS_SUCCESS);
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