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su: Refuse to run if stdin is not a TTY

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This commit is contained in:
Andreas Kling 2020-11-08 14:52:33 +01:00
parent 46cd9157cd
commit 6e592fb5c3
1 changed files with 5 additions and 0 deletions
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5
Userland/su.cpp
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@ -36,6 +36,11 @@ extern "C" int main(int, char**);
int main(int argc, char** argv)
{
if (!isatty(STDIN_FILENO)) {
warnln("{}: standard in is not a terminal", argv[0]);
return 1;
}
const char* user = nullptr;
Core::ArgsParser args_parser;