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191 lines
3.9 KiB
191 lines
3.9 KiB
/*++
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Copyright (c) 1995-1999 Microsoft Corporation
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Module Name:
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exec.cxx
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Abstract:
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This module contains an NTSD debugger extension for executing
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external commands.
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Author:
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Keith Moore (keithmo) 12-Nov-1997
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Revision History:
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--*/
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#include "inetdbgp.h"
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/************************************************************
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* Execute
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************************************************************/
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DECLARE_API( exec )
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/*++
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Routine Description:
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This function is called as an NTSD extension to ...
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Arguments:
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hCurrentProcess - Supplies a handle to the current process (at the
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time the extension was called).
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hCurrentThread - Supplies a handle to the current thread (at the
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time the extension was called).
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CurrentPc - Supplies the current pc at the time the extension is
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called.
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lpExtensionApis - Supplies the address of the functions callable
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by this extension.
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lpArgumentString - Supplies the asciiz string that describes the
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ansi string to be dumped.
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Return Value:
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None.
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--*/
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{
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BOOL result;
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STARTUPINFO startInfo;
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PROCESS_INFORMATION processInfo;
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INIT_API();
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//
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// Skip leading blanks.
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//
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while( *lpArgumentString == ' ' ||
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*lpArgumentString == '\t' ) {
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lpArgumentString++;
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}
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//
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// Use "cmd.exe" by default.
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//
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if( *lpArgumentString == '\0' ) {
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lpArgumentString = "cmd";
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}
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//
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// Set the prompt environment variable so the user will have clue.
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//
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SetEnvironmentVariable(
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"PROMPT",
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"!inetdbg.exec - $p$g"
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);
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//
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// Launch it.
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//
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ZeroMemory(
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&startInfo,
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sizeof(startInfo)
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);
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ZeroMemory(
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&processInfo,
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sizeof(processInfo)
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);
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startInfo.cb = sizeof(startInfo);
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result = CreateProcess(
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NULL, // lpszImageName
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lpArgumentString, // lpszCommandLine
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NULL, // lpsaProcess
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NULL, // lpsaThread
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TRUE, // fInheritHandles
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0, // fdwCreate
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NULL, // lpvEnvironment
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NULL, // lpszCurDir
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&startInfo, // lpsiStartInfo
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&processInfo // lppiProcessInfo
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);
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if( result ) {
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//
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// Wait for the child process to terminate, then cleanup.
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//
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WaitForSingleObject( processInfo.hProcess, INFINITE );
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CloseHandle( processInfo.hProcess );
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CloseHandle( processInfo.hThread );
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} else {
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//
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// Could not launch the process.
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//
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dprintf(
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"cannot launch \"%s\", error %lu\n",
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lpArgumentString,
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GetLastError()
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);
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}
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} // DECLARE_API( exec )
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/*
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CallExtension allows one extension to call another extension in a
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different DLL. From TomCan.
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DECLARE_API(test)
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{
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NTSTATUS status = ERROR_SUCCESS;
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status = DO_EXTENSION("kdextx86.dll", "pool", args);
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dprintf("\n\nStatus: %08X\n", status);
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}
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*/
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NTSTATUS
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CallExtension(
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PCSTR szModuleName,
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PCSTR szFunction,
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HANDLE hCurrentProcess,
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HANDLE hCurrentThread,
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ULONG dwCurrentPc,
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ULONG dwProcessor,
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PCSTR args)
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{
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PWINDBG_EXTENSION_FUNCTION pFn = NULL;
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HINSTANCE hlib = NULL;
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NTSTATUS status = ERROR_SUCCESS;
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hlib = LoadLibrary(szModuleName);
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if (hlib != NULL)
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{
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pFn = (PWINDBG_EXTENSION_FUNCTION)GetProcAddress(hlib, szFunction);
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if (pFn != NULL)
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{
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(pFn)(hCurrentProcess, hCurrentThread, dwCurrentPc,
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dwProcessor, args);
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}
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FreeLibrary(hlib);
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}
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status = GetLastError();
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return status;
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}
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