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#include "commonheaders.h"
BOOL isWindowsNT(void)
{
BOOL result;
OSVERSIONINFO ovi;
ZeroMemory(&ovi, sizeof(ovi));
ovi.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
GetVersionEx(&ovi);
if(ovi.dwPlatformId==VER_PLATFORM_WIN32_NT) result=TRUE;
else result=FALSE;
return result;
}
void storeOutput(HANDLE ahandle, char **aoutput)
{
DWORD success;
char readbuffer[10];
DWORD transfered;
DWORD available;
do
{
PeekNamedPipe(ahandle, NULL, 0, NULL, &available, NULL);
if(available==0) continue;
success=ReadFile(ahandle, readbuffer, sizeof(readbuffer), &transfered, NULL);
if((success)&&(transfered!=0))
appendText(aoutput, readbuffer, transfered);
}
while(available>0);
}
pxResult pxExecute(char *acommandline, char *ainput, char **aoutput, LPDWORD aexitcode)
{
BOOL success;
STARTUPINFO startupinfo;
SECURITY_ATTRIBUTES securityattributes;
SECURITY_DESCRIPTOR securitydescriptor;
PROCESS_INFORMATION processinformation;
HANDLE newstdin, newstdout, readstdout, writestdin;
char *inputpos;
DWORD transfered;
int size;
LogMessage("commandline:\n", acommandline, "\n");
ZeroMemory(&securityattributes, sizeof(securityattributes));
securityattributes.nLength=sizeof(SECURITY_ATTRIBUTES);
securityattributes.bInheritHandle=TRUE;
if(isWindowsNT())
{
InitializeSecurityDescriptor(&securitydescriptor, SECURITY_DESCRIPTOR_REVISION);
SetSecurityDescriptorDacl(&securitydescriptor, TRUE, NULL, FALSE);
securityattributes.lpSecurityDescriptor=&securitydescriptor;
}
else securityattributes.lpSecurityDescriptor=NULL;
success=CreatePipe(&newstdin, &writestdin ,&securityattributes ,0);
if(! success)
{
LogMessage("--- ", "create pipe failed", "\n");
return pxCreatePipeFailed;
}
success=CreatePipe(&readstdout, &newstdout, &securityattributes, 0);
if(! success)
{
LogMessage("--- ", "create pipe failed", "\n");
CloseHandle(newstdin);
CloseHandle(writestdin);
return pxCreatePipeFailed;
}
GetStartupInfo(&startupinfo);
startupinfo.dwFlags=STARTF_USESTDHANDLES|STARTF_USESHOWWINDOW;
startupinfo.wShowWindow=SW_HIDE;
startupinfo.hStdOutput=newstdout;
startupinfo.hStdError=newstdout;
startupinfo.hStdInput=newstdin;
success=CreateProcess(NULL, acommandline, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, NULL, NULL, &startupinfo, &processinformation);
if(! success)
{
LogMessage("--- ", "create process failed", "\n");
CloseHandle(newstdin);
CloseHandle(writestdin);
CloseHandle(newstdout);
CloseHandle(readstdout);
return pxCreateProcessFailed;
}
inputpos=ainput;
while(TRUE)
{
success=GetExitCodeProcess(processinformation.hProcess, aexitcode);
if((success)&&(*aexitcode!=STILL_ACTIVE)) break;
storeOutput(readstdout, aoutput);
if(*inputpos!='\0') size=1;
else size=0;
success=WriteFile(writestdin, inputpos, size, &transfered, NULL);
inputpos+=transfered;
}
storeOutput(readstdout, aoutput);
WaitForSingleObject(processinformation.hProcess, INFINITE);
LogMessage("output:\n", *aoutput, "");
CloseHandle(processinformation.hThread);
CloseHandle(processinformation.hProcess);
CloseHandle(newstdin);
CloseHandle(newstdout);
CloseHandle(readstdout);
CloseHandle(writestdin);
return pxSuccess;
}
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