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#include <windows.h>
#include <stdio.h>
#include <tlhelp32.h>
#include <iostream>
#include <string>
void PrintUsage() {
printf("Usage: runnerw.exe <app> <args>\n");
printf("where <app> is console application and <args> it's arguments.\n");
printf("\n");
printf(
"Runner invokes console application as a process with inherited input and output streams.\n");
printf(
"Input stream is scanned for presence of 2 char 255(IAC) and 243(BRK) sequence and generates Ctrl-Break event in that case.\n");
printf(
"Also in case of all type of event(Ctrl-C, Close, Shutdown etc) Ctrl-Break event is generated.\n");
exit(0);
}
void ErrorMessage(char *str) {
LPVOID msg;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &msg, 0, NULL);
printf("%s: %s\n", str, msg);
LocalFree(msg);
}
void CtrlBreak() {
if (!GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT, 0)) {
ErrorMessage("CtrlBreak(): GenerateConsoleCtrlEvent");
}
}
void CtrlC() {
if (!GenerateConsoleCtrlEvent(CTRL_C_EVENT, 0)) {
ErrorMessage("CtrlC(): GenerateConsoleCtrlEvent");
}
}
BOOL is_iac = FALSE;
char IAC = 5;
char BRK = 3;
char C = 5;
BOOL Scan(char buf[], int count) {
for (int i = 0; i < count; i++) {
if (is_iac) {
if (buf[i] == BRK) {
CtrlBreak();
return TRUE;
}
else if (buf[i] == C) {
CtrlC();
return TRUE;
}
else {
is_iac = FALSE;
}
}
if (buf[i] == IAC) {
is_iac = TRUE;
}
}
return FALSE;
}
BOOL CtrlHandler(DWORD fdwCtrlType) {
switch (fdwCtrlType) {
case CTRL_C_EVENT:
return TRUE;
case CTRL_CLOSE_EVENT:
case CTRL_LOGOFF_EVENT:
case CTRL_SHUTDOWN_EVENT:
CtrlBreak();
return (TRUE);
case CTRL_BREAK_EVENT:
return TRUE;
default:
return FALSE;
}
}
DWORD WINAPI scanStdinThread(void *param) {
HANDLE *write_stdin = (HANDLE *) param;
char buf[1];
memset(buf, 0, sizeof(buf));
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
BOOL endOfInput = false;
while (!endOfInput) {
DWORD nBytesRead = 0;
DWORD nBytesWritten = 0;
char c;
BOOL bResult = ReadFile(hStdin, &c, 1, &nBytesRead, NULL);
if (nBytesRead > 0) {
buf[0] = c;
BOOL ctrlBroken = Scan(buf, 1);
WriteFile(*write_stdin, buf, 1, &nBytesWritten, NULL);
}
else {
/*
When a synchronous read operation reaches the end of a file,
ReadFile returns TRUE and sets *lpNumberOfBytesRead to zero.
See http://msdn.microsoft.com/en-us/library/windows/desktop/aa365467(v=vs.85).aspx
*/
endOfInput = bResult;
}
}
return 0;
}
bool hasEnding(std::string const &fullString, std::string const &ending) {
if (fullString.length() > ending.length()) {
return (0 == fullString.compare(fullString.length() - ending.length(),
ending.length(), ending));
} else {
return false;
}
}
int main(int argc, char * argv[]) {
if (argc < 2) {
PrintUsage();
}
std::string app(argv[1]);
std::string args("");
for (int i = 1; i < argc; i++) {
if (i>1) {
args += " ";
}
if (strchr(argv[i], ' ')) {
args += "\"";
args += argv[i];
args += "\"";
} else {
args += argv[i];
}
}
// if (app.length() == 0) {
// PrintUsage();
// }
STARTUPINFO si;
SECURITY_ATTRIBUTES sa;
PROCESS_INFORMATION pi;
HANDLE newstdin, write_stdin;
sa.lpSecurityDescriptor = NULL;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = true;
if (!CreatePipe(&newstdin, &write_stdin, &sa, 0)) {
ErrorMessage("CreatePipe");
exit(0);
}
GetStartupInfo(&si);
si.dwFlags = STARTF_USESTDHANDLES;
si.wShowWindow = SW_HIDE;
si.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
si.hStdInput = newstdin;
if (hasEnding(app, std::string(".bat"))) {
// in MSDN it is said to do so, but actually that doesn't work
// args = "/c " + args;
// app = "cmd.exe";
} else {
app = "";
}
char* c_app = NULL;
if (app.size()>0) {
c_app = new char[app.size() + 1];
strcpy(c_app, app.c_str());
}
char* c_args = new char[args.size() + 1];
strcpy(c_args, args.c_str());
if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE) CtrlHandler, TRUE)) {
ErrorMessage("SetConsoleCtrlHandler");
}
if (!CreateProcess(c_app, // Application name
c_args, // Application arguments
NULL, NULL, TRUE, CREATE_DEFAULT_ERROR_MODE, NULL, NULL, &si, &pi)) {
ErrorMessage("CreateProcess");
CloseHandle(newstdin);
CloseHandle(write_stdin);
exit(0);
}
CreateThread(NULL, 0, &scanStdinThread, &write_stdin, 0, NULL);
unsigned long exitCode = 0;
while (true) {
int rc = WaitForSingleObject(pi.hProcess, INFINITE);
if (rc == WAIT_OBJECT_0) {
break;
}
}
GetExitCodeProcess(pi.hProcess, &exitCode);
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
CloseHandle(newstdin);
CloseHandle(write_stdin);
return exitCode;
}
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