prerm is in sudo 1.8.3p1-1ubuntu3.7.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | #!/bin/sh
set -e
check_password() {
if [ ! "$SUDO_FORCE_REMOVE" = "yes" ]; then
# let's check whether the root account is locked.
# if it is, we're not going another step. No Sirreee!
passwd=$(getent shadow root|cut -f2 -d:)
passwd1=$(echo "$passwd" |cut -c1)
# Note: we do need the 'xfoo' syntax here, since POSIX special-cases
# the $passwd value '!' as negation.
if [ "x$passwd" = "x*" ] || [ "x$passwd1" = "x!" ]; then
# yup, password is locked
echo "You have asked that the sudo package be removed,"
echo "but no root password has been set."
echo "Without sudo, you may not be able to gain administrative privileges."
echo
echo "If you would prefer to access the root account with su(1)"
echo "or by logging in directly,"
echo "you must set a root password with \"sudo passwd\"."
echo
echo "If you have arranged other means to access the root account,"
echo "and you are sure this is what you want,"
echo "you may bypass this check by setting an environment variable "
echo "(export SUDO_FORCE_REMOVE=yes)."
echo
echo "Refusing to remove sudo."
exit 1
fi
fi
}
case $1 in
remove)
check_password;
;;
*)
;;
esac
# Automatically added by dh_installinit
if [ -x "/etc/init.d/sudo" ]; then
invoke-rc.d sudo stop || exit $?
fi
# End automatically added section
exit 0
|