PIDMap ProcessHandleCache::CleanupMap()
{
PIDMap removePids;
for (auto i = m_cache.begin(); i != m_cache.end(); ++i)
{
DWORD exitcode = 0;
BOOL result = GetExitCodeProcess(i->second.get(), &exitcode);
if (result == FALSE || exitcode != STILL_ACTIVE)
{
DWORD pid = i->first;
removePids[pid] = std::move(i->second);
}
}
for (auto i = removePids.begin(); i != removePids.end(); ++i)
m_cache.erase(i->first);
return removePids;
}
DWORD SelectProcess()
{
PIDMap pids;
int len = sizeof(lookingProcessName) / sizeof(std::string);
for (int i = 0; i < len; ++i)
GetProcessIDsByName(pids, lookingProcessName[i]);
if (pids.empty())
{
printf("process NOT found.\n");
system("pause");
return 0;
}
// just one PID found
else if (pids.size() == 1)
{
// we already know it's not empty so we can do this safely
DWORD processID = pids.begin()->first;
std::string processName = pids.begin()->second;
printf("%s process found, PID: %u\n", processName.c_str(), processID);
// checks this process is already injected or not
if (IsProcessAlreadyInjected(processID, injectDLLName))
{
printf("Process is already injected.\n\n");
system("pause");
return 0;
}
return processID;
}
// size > 1, multiple possible processes
else
{
printf("Multiple processes found.\n");
printf("Please select one which will be injected.\n\n");
// stores the PIDs which are already injected
// so these are "invalid"
PIDMap injectedPIDs;
unsigned int idx = 1;
for (PIDMap::const_iterator itr = pids.begin(); itr != pids.end(); ++itr)
{
DWORD pid = itr->first;
printf("[%u] PID: %u\n", idx++, pid);
if (IsProcessAlreadyInjected(pid, injectDLLName))
{
printf("Already injected!\n\n");
injectedPIDs[pid] = itr->second;
}
}
// same size: there is no non-injected PID
if (pids.size() == injectedPIDs.size())
{
printf("All the processes are already injected.\n\n");
system("pause");
return 0;
}
unsigned int selectedIndex = 0;
// loops until has correct PID
while (1)
{
DWORD processID = 0;
selectedIndex = 0;
printf("Please select a process, use [index]: ");
scanf("%u", &selectedIndex);
// bigger than max index
if (selectedIndex > idx - 1)
{
printf("Your index is too big, max index is %u.\n", idx - 1);
continue;
}
// 0 or non int used
else if (selectedIndex == 0)
{
printf("Your index is invalid, 1-%u should be used.\n", idx - 1);
continue;
}
// gets PID via index
PIDMap::const_iterator itr = pids.begin();
std::advance(itr, selectedIndex - 1);
processID = itr->first;
// if already injected
if (injectedPIDs.find(processID) != injectedPIDs.end())
{
printf("This process is already injected. ");
printf("Please choose a different one.\n");
continue;
}
printf("\n");
// looks like all good
return processID;
}
}
return 0;
}