bash: Test if file(s) has setuid bit set.

indigowinged

Take into account the main readme for this section. README first.

Using the test option -u you can test a file for setuid bit set.

FILE=/usr/bin/passwd

if [[ -u "$FILE" ]];then
   echo "$FILE is a setuid file."
fi

The script execution output of the script is: A file that is know to have setuid set was chosen to demonstrate the test option.

$ ./test.sh
/usr/bin/passwd is a setuid file.