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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
# All events logged on tty12
echo "Loging all messages on tty12 : "
AddRules "*.* /dev/tty12" /etc/syslog.conf
# login as root from the console allowed
echo "Login as root is allowed (on the console) : "
AddRules "tty1" /etc/securetty
AddRules "tty2" /etc/securetty quiet
AddRules "tty3" /etc/securetty quiet
AddRules "tty4" /etc/securetty quiet
AddRules "tty5" /etc/securetty quiet
AddRules "tty6" /etc/securetty quiet
# Security check
echo "Updating file check variable : "
echo -e "\t- Check security : yes."
AddRules "CHECK_SECURITY=yes" /etc/security/msec/security.conf quiet
echo -e "\t- Check important permissions : yes."
AddRules "CHECK_PERMS=yes" /etc/security/msec/security.conf quiet
echo -e "\t- Check suid root file : yes."
AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf quiet
echo -e "\t- Check suid root file integrity (backdoor check) : yes."
AddRules "CHECK_SUID_MD5=yes" /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 : yes."
AddRules "CHECK_WRITEABLE=yes" /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 : yes."
AddRules "CHECK_OPEN_PORT=yes" /etc/security/msec/security.conf quiet
echo -e "\t- Check passwd file integrity : yes."
AddRules "CHECK_PASSWD=yes" /etc/security/msec/security.conf quiet
echo -e "\t- Check shadow file integrity : yes."
AddRules "CHECK_SHADOW=yes" /etc/security/msec/security.conf quiet
echo -e "\t- Security warning on tty : \"yes\" :"
AddRules "TTY_WARN=no" /etc/security/msec/security.conf quiet
echo -e "\t- Security warning in syslog : \"yes\" :"
AddRules "SYSLOG_WARN=yes" /etc/security/msec/security.conf
# end security check
# Crontab
echo "Adding permission check in crontab (scheduled every midnight) :"
AddRules "0 0 * * * root nice --adjustment=+19 /etc/security/msec/cron-sh/diff_check.sh" /etc/crontab
AddRules "0 0 * * * root nice --adjustment=+19 /etc/security/msec/cron-sh/security_check.sh" /etc/crontab
echo -n "Running lilo to record new config : "
/sbin/lilo >& /dev/null
echo -e "done.\n"
# /etc/profile
export SECURE_LEVEL=3
echo "Setting secure level variable to 3 :"
AddRules "SECURE_LEVEL=3" /etc/profile
echo "Setting umask to 022 (u=rw,g=r,o=r) :"
AddRules "umask 022" /etc/profile
echo "Adding a \"normal\" PATH variable : "
AddRules "PATH=\$PATH:/usr/X11R6/bin:/usr/games" /etc/profile quiet
AddRules "export PATH SECURE_LEVEL" /etc/profile
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