163 lines
3.3 KiB
C
163 lines
3.3 KiB
C
#include <windows.h>
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#include <stdio.h>
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#include "rc_ids.h"
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//
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// This app is a very simple wrapper for autoplay functionality
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// for x86. It invokes winnt.exe on Win95 and winnt32.exe on NT.
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//
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#define SUCCESS 0
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#define FAILURE 1
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VOID
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Error(
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IN UINT Id,
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IN PCSTR Parameter OPTIONAL
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)
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{
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CHAR String[1024];
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CHAR Message[4096];
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LoadString(
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GetModuleHandle(NULL),
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Id,
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String,
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sizeof(String)
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);
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if(Parameter) {
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_snprintf(Message,sizeof(Message),String,Parameter);
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} else {
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lstrcpy(Message,String);
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}
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MessageBox(NULL,Message,NULL,MB_ICONERROR|MB_OK|MB_SYSTEMMODAL);
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}
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int
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__cdecl
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main(
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VOID
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)
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{
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PCSTR CmdLine;
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CHAR cmdLine[4096];
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PCSTR CmdLineTail;
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unsigned TailOffset;
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CHAR ModuleName[MAX_PATH];
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PCHAR p;
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OSVERSIONINFO VersionInfo;
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BOOL b;
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STARTUPINFO StartupInfo;
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PROCESS_INFORMATION ProcessInfo;
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//
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// Form name of app we want to invoke.
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//
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GetModuleFileName(GetModuleHandle(NULL),ModuleName,MAX_PATH);
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CharUpper(ModuleName);
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p = strstr(ModuleName,"\\_WINNT.EXE");
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if(!p) {
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Error(INVALID_MODNAME,ModuleName);
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return(FAILURE);
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}
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*(++p) = 0;
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VersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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if(!GetVersionEx(&VersionInfo)) {
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Error(GETVER_FAILED,NULL);
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return(FAILURE);
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}
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lstrcpy(
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p,
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(VersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT) ? "WINNT32.EXE" : "WINNT.EXE"
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);
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//
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// Get the command line. We will assume that this app is in
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// some subdirectory, probably \i386, on the CD, and that it is
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// called _winnt.exe.
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//
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CmdLine = GetCommandLine();
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//
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// Uppercase the command line so we can locate the command tail.
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//
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lstrcpyn(cmdLine,CmdLine,sizeof(cmdLine));
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CharUpper(cmdLine);
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CmdLineTail = strstr(cmdLine,"\\_WINNT");
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if(CmdLineTail == NULL) {
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Error(INVALID_CMDLINE,CmdLine);
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return(FAILURE);
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}
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CmdLineTail += sizeof("\\_WINNT") - 1;
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if(*CmdLineTail == '\"') {
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CmdLineTail++;
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} else {
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//
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// The next characters better be .exe or a space.
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//
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if(strncmp(CmdLineTail," ",1) && strncmp(CmdLineTail,".EXE ",5)) {
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Error(INVALID_CMDLINE,CmdLine);
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return(FAILURE);
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}
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}
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CmdLineTail = strchr(CmdLineTail,' ');
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if(!CmdLineTail) {
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CmdLineTail += lstrlen(CmdLineTail);
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}
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//
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// Now we want to point to the non-lowercased cmd line tail
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//
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TailOffset = CmdLineTail - cmdLine;
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CmdLineTail = CmdLine + TailOffset;
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//
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// Build a full command line: appname + cmd tail
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//
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lstrcpy(cmdLine,ModuleName);
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lstrcat(cmdLine,CmdLineTail);
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//
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// Invoke the correct setup app.
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//
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ZeroMemory(&StartupInfo,sizeof(STARTUPINFO));
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StartupInfo.cb = sizeof(STARTUPINFO);
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b = CreateProcess(
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ModuleName,
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cmdLine,
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NULL,
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NULL,
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FALSE,
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0,
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NULL,
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NULL,
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&StartupInfo,
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&ProcessInfo
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);
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if(!b) {
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Error(CREATEPROC_FAILED,cmdLine);
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return(FAILURE);
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}
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CloseHandle(ProcessInfo.hThread);
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CloseHandle(ProcessInfo.hProcess);
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return(SUCCESS);
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}
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