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#!/bin/bash
#
# Security level implementation...
# Writen by Vandoorselaere Yoann <yoann@mandrakesoft.com>
#
if [[ -f /etc/security/msec/init-sh/lib.sh ]]; then
. /etc/security/msec/init-sh/lib.sh
else
exit 1
fi
# login as root on console granted...
echo "Login as root is granted :"
AddRules "tty1" /etc/securetty quiet
AddRules "tty2" /etc/securetty quiet
AddRules "tty3" /etc/securetty quiet
AddRules "tty4" /etc/securetty quiet
AddRules "tty5" /etc/securetty quiet
AddRules "tty6" /etc/securetty
# Security check
echo "Updating file check variable : "
echo -e "\t- Check security : no."
AddRules "CHECK_SECURITY=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check important permissions : no."
AddRules "CHECK_PERMS=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check suid root file : no."
AddRules "CHECK_SUID_ROOT=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check suid root file integrity (backdoor check) : no."
AddRules "CHECK_SUID_MD5=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check suid group file : no."
AddRules "CHECK_SUID_GROUP=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check world writable file : no."
AddRules "CHECK_WRITEABLE=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check unowned file : no."
AddRules "CHECK_UNOWNED=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check promiscuous mode : no."
AddRules "CHECK_PROMISC=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check listening port : no."
AddRules "CHECK_OPEN_PORT=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check passwd file integrity : no."
AddRules "CHECK_PASSWD=no" /etc/security/msec/security.conf quiet
echo -e "\t- Check shadow file integrity : no."
AddRules "CHECK_SHADOW=no" /etc/security/msec/security.conf quiet
echo -e "\t- Security warning on tty : no."
AddRules "TTY_WARN=no" /etc/security/msec/security.conf quiet
echo -e "\t- Security warning by mail : no."
AddRules "MAIL_WARN=no" /etc/security/msec/security.conf quiet
echo -e "\t- Security warning in syslog : no."
AddRules "SYSLOG_WARN=no" /etc/security/msec/security.conf
# end security check
# lilo update
echo -n "Running lilo to record new config : "
/sbin/lilo >& /dev/null
echo -e "done.\n"
# /etc/profile
export SECURE_LEVEL=0
echo "Setting secure level variable to 0 :"
AddRules "SECURE_LEVEL=0" /etc/profile
echo "Setting umask to 002 (u=rw,g=rw,o=r) :"
AddRules "umask 002" /etc/profile
echo "Adding \"non secure\" PATH variable :"
AddRules "PATH=\$PATH:/usr/X11R6/bin:/usr/games:." /etc/profile quiet
AddRules "export PATH SECURE_LEVEL" /etc/profile
# Xserver
echo "Allowing users to connect X server from everywhere :"
AddBegRules "/usr/X11R6/bin/xhost +" /etc/X11/xdm/Xsession quiet
AddBegRules "/usr/X11R6/bin/xhost +" /etc/X11/xinit/xinitrc
# Group
echo "Adding system users to specific groups :"
/etc/security/msec/init-sh/grpuser.sh --refresh
echo -e "done.\n"
# Boot on a shell / authorize ctrl-alt-del
echo -n "Setting up inittab to spawn a shell on boot & to authorize any user to issue ctrl-alt-del : "
tmpfile=`mktemp /tmp/secure.XXXXXX`
cp /etc/inittab ${tmpfile}
cat ${tmpfile} | \
sed s'/\/sbin\/mingetty tty1/\/bin\/bash --login/' | \
sed s'/ca::ctrlaltdel:\/sbin\/shutdown -a -t3 -r now/ca::ctrlaltdel:\/sbin\/shutdown -t3 -r now/' > /etc/inittab
rm -f ${tmpfile}
echo "done."
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