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Exclude cmd.exe from process spawning #112

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Exclude cmd.exe from process spawning #112

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19 changes: 16 additions & 3 deletions dll/kernel32/processthreadsapi.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -635,9 +635,22 @@ BOOL WINAPI CreateProcessA(LPCSTR lpApplicationName, LPSTR lpCommandLine, LPSECU

bool useSearchPath = lpApplicationName == nullptr;
std::string application;
std::string commandLine = lpCommandLine ? lpCommandLine : "";
if (lpApplicationName) {
application = lpApplicationName;
std::string commandLine = "";
bool findNewApp = false;

if (lpCommandLine) {
commandLine = lpCommandLine;

std::string toRemove = "cmd.exe /c ";
size_t pos = commandLine.find(toRemove);
if (pos != std::string::npos) {
commandLine.erase(pos, toRemove.length());
findNewApp = true;
}
}

if (lpApplicationName && !findNewApp) {
application = lpApplicationName;
} else {
std::vector<std::string> arguments = wibo::splitCommandLine(commandLine.c_str());
if (arguments.empty()) {
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