/usr/sbin/selinux-config-enforcing is in selinux-basics 0.5.2.
This file is owned by root:root, with mode 0o755.
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 | #!/bin/sh
set -e
MODE=$1
test "$MODE" = "0" && MODE=permissive
CONF=/etc/selinux/config
if [ "$MODE" = "permissive" ]; then
  sed -e "s/^SELINUX=.*$/SELINUX=permissive/" < $CONF > $CONF.new
  echo "Configured permissive mode in $CONF for the next boot."
  echo "This can be overridden by \"enforcing=1\" on the kernel command line."
else
  sed -e "s/^SELINUX=.*$/SELINUX=enforcing/" < $CONF > $CONF.new
  echo "Configured enforcing mode in $CONF for the next boot."
  echo "This can be overridden by \"enforcing=0\" on the kernel command line."
fi
mv $CONF.new $CONF
 |