Uhh custom security will always be a good idea.

8 files changed, 215 insertions, 122 deletions

diff --git a/init-sh/custom.sh b/init-sh/custom.sh
new file mode 100755
index 0000000..e69de29
--- /dev/null
+++ b/init-sh/custom.sh
diff --git a/init-sh/init.sh b/init-sh/init.sh
index 4e89cb9..fa8e9b3 100755
--- a/init-sh/init.sh
+++ b/init-sh/init.sh
@@ -2,10 +2,15 @@
 
 if [ -z $1 ]; then
 	echo "Usage : $0 [0-5]"
+	echo "Usage : $0 \"custom\""
 	exit 1
 fi
 
 
+if [ "${1}" == "custom" ]; then
+	/etc/security/msec/init-sh/custom.sh
+fi
+
 if [ -f /etc/security/msec/init-sh/level$1.sh ]; then
     /etc/security/msec/init-sh/level$1.sh
 	if [ -f /etc/security/msec/init-sh/perm.$1 ]; then
diff --git a/init-sh/level1.sh b/init-sh/level1.sh
index 3d5d300..b54b85b 100755
--- a/init-sh/level1.sh
+++ b/init-sh/level1.sh
@@ -12,30 +12,44 @@ else
 fi
 
 # login as root on console granted...
-AddRules "tty1" /etc/securetty
-AddRules "tty2" /etc/securetty
-AddRules "tty3" /etc/securetty
-AddRules "tty4" /etc/securetty
-AddRules "tty5" /etc/securetty
+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
 
 # Suid Check
-AddRules "CHECK_SUID=no" /etc/security/msec/security.conf
-AddRules "CHECK_PROMISC=no" /etc/security/msec/security.conf
-AddRules "TTY_WARN=no" /etc/security/msec/security.conf
+echo "Updating file check variable :"
+echo -e "\t- Check suid root file : no."
+AddRules "CHECK_SUID_ROOT=no" /etc/security/msec/security.conf quiet
+echo -e "\t- Check suid goup file : no."
+AddRules "CHECK_SUID_GROUP=no" /etc/security/msec/security.conf quiet
+echo -e "\t- Check world writable file : no."
+AddRules "CHECK_WRITABLE=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- Security warning on tty : no."
+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
 
-# umask
-AddRules "umask 022" /etc/profile
-AddRules "SECURE_LEVEL=1" /etc/profile
-# Group
-usermod -G audio "${USERNAME}"
-
-# For X auth :
-xhost + localhost 2>&1 >& /dev/null
-
 # lilo update
-lilo
+echo -n "Running lilo to record new config : "
+/sbin/lilo >& /dev/null
+echo -e "done.\n"
 
-# Path
+# /etc/profile
+echo "Setting secure level variable to 1 :"
+AddRules "SECURE_LEVEL=1" /etc/profile
+echo "Setting umask to 002 (user = rw, group = rw, o = r) :"
+AddRules "umask 002" /etc/profile
+echo "Adding \"non secure\" PATH variable :"
 AddRules "PATH=\$PATH:/usr/X11R6/bin:." /etc/profile
+
+# Group
+echo "Adding \"${USERNAME} to audio group :"
+usermod -G audio "${USERNAME}"
diff --git a/init-sh/level2.sh b/init-sh/level2.sh
index 64027da..b9385f9 100755
--- a/init-sh/level2.sh
+++ b/init-sh/level2.sh
@@ -12,42 +12,45 @@ else
 fi
 
 # login as root on console granted...
-AddRules "tty1" /etc/securetty
-AddRules "tty2" /etc/securetty
-AddRules "tty3" /etc/securetty
-AddRules "tty4" /etc/securetty
-AddRules "tty5" /etc/securetty
-AddRules "tty6" /etc/securetty
-
-# Suid Check
-AddRules "CHECK_SUID=yes" /etc/security/msec/security.conf
-AddRules "CHECK_PROMISC=no" /etc/security/msec/security.conf
-AddRules "TTY_WARN=no" /etc/security/msec/security.conf
+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.conf
+echo "Updating file check variable :"
+echo -e "\t- Check suid root file : yes."
+AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Check suid goup file : no."
+AddRules "CHECK_SUID_GROUP=no" /etc/security/msec/security.conf quiet
+echo -e "\t- Check world writable file : no."
+AddRules "CHECK_WRITABLE=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- Security warning on tty : no."
+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
 
-# Permissions
-AddRules "umask 002" /etc/profile
-AddRules "SECURE_LEVEL=2" /etc/profile
-# Group
-usermod -G audio ${USERNAME} >& /dev/null
-
-# For X auth :
-xhost + localhost 2>&1 >& /dev/null
-
 # lilo update
+echo -n "Running lilo to record new config : "
 /sbin/lilo
+echo -e "done.\n"
 
-# Path
+# /etc/profile
+echo "Setting secure level variable to 2 :"
+AddRules "SECURE_LEVEL=2" /etc/profile
+echo "Setting umask to 022 (user = rw, group = r, o = r) :"
+AddRules "umask 022" /etc/profile
+echo "Adding \"normal\" PATH variable :"
 AddRules "PATH=\$PATH:/usr/X11R6/bin" /etc/profile
 
-
-
-
-
-
-
-
-
-
-
+# Group
+echo "Adding \"${USERNAME} to audio group :"
+usermod -G audio "${USERNAME}"
 
diff --git a/init-sh/level3.sh b/init-sh/level3.sh
index 1c1cfd9..bfb71ea 100755
--- a/init-sh/level3.sh
+++ b/init-sh/level3.sh
@@ -12,48 +12,48 @@ else
 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
-AddRules "tty3" /etc/securetty
-AddRules "tty4" /etc/securetty
-AddRules "tty5" /etc/securetty
-AddRules "tty6" /etc/securetty
-
-# Suid Check
-AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf
-AddRules "CHECK_SUID_GROUP=yes" /etc/security/msec/security.conf
-AddRules "CHECK_WRITABLE=yes" /etc/security/msec/security.conf
-AddRules "CHECK_UNOWNED=yes" /etc/security/msec/security.conf
-AddRules "CHECK_PROMISC=no" /etc/security/msec/security.conf
-AddRules "TTY_WARN=no" /etc/security/msec/security.conf
+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
+
+# /
+echo "Updating file check variable : "
+echo -e "\t- Check suid root file : yes."
+AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Check suid goup file : yes."
+AddRules "CHECK_SUID_GROUP=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Check world writable file : yes."
+AddRules "CHECK_WRITABLE=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Check unowned file : yes."
+AddRules "CHECK_UNOWNED=yes" /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- Security warning on tty : \"no\" :"
+AddRules "TTY_WARN=no" /etc/security/msec/security.conf quiet
+echo -e "\t- Security warning on syslog : \"yes\" :"
 AddRules "SYSLOG_WARN=yes" /etc/security/msec/security.conf
 
 # Crontab
+echo "Adding permission check in crontab (scheduled every midnight) :"
 AddRules "0 0-23 * * *    root    nice --adjustment=+19 /etc/security/msec/cron-sh/file_check.sh" /etc/crontab
 
+echo -n "Running lilo to record new config : "
+/sbin/lilo >& /dev/null
+echo -e "done.\n"
 
-# Permissions
+# /etc/profile
+echo "Setting secure level variable to 3 :"
+AddRules "SECURE_LEVEL=3" /etc/profile
+echo "Setting umask to 022 (user = rw, group = r, o = r) :"
 AddRules "umask 022" /etc/profile
-AddRules "SECURE_LEVEL=3 /etc/profile
-
-/sbin/lilo
-
-
-# Path
+echo "Adding a \"normal\" PATH variable : "
 AddRules "PATH=\$PATH:/usr/X11R6/bin" /etc/profile
 
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/init-sh/level4.sh b/init-sh/level4.sh
index a255b35..c3e0e5e 100755
--- a/init-sh/level4.sh
+++ b/init-sh/level4.sh
@@ -14,51 +14,79 @@ else
 fi
 
 # Log in append only mode
+echo -e "Changing attribute of /var/log/* to append only...\n"
 chattr +a /var/log/*
 
 # All events logged on tty12
+echo "Loging all messages on tty12 : "
 AddRules "*.* /dev/tty12" /etc/syslog.conf
 
 # Prevent all kind of connection except from localhost
+echo "Denying all kind of connection except localhost : "
 AddRules "ALL:ALL EXCEPT localhost:DENY" /etc/hosts.deny
 
 # Login as root on the console allowed :
-AddRules "tty1" /etc/securetty
-AddRules "tty2" /etc/securetty
-AddRules "tty3" /etc/securetty
-AddRules "tty4" /etc/securetty
-AddRules "tty5" /etc/securetty
-AddRules "tty6" /etc/securetty
+echo "Denying login as root (except on the console) :"
+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 
 
 # Suid check
-AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf
-AddRules "CHECK_SUID_GROUP=yes" /etc/security/msec/security.conf
-AddRules "CHECK_WRITABLE=yes" /etc/security/msec/security.conf
-AddRules "CHECK_UNOWNED=yes" /etc/security/msec/security.conf
-AddRules "CHECK_PROMISC=yes" /etc/security/msec/security.conf
-AddRules "TTY_WARN=yes" /etc/security/msec/security.conf
+echo "Updating file check variable : "
+echo -e "\t- Check suid root file : yes."
+AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Check suid goup file : yes."
+AddRules "CHECK_SUID_GROUP=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Check world writable file : yes."
+AddRules "CHECK_WRITABLE=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Check unowned file : yes."
+AddRules "CHECK_UNOWNED=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Check promiscuous mode : yes."
+AddRules "CHECK_PROMISC=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Security warning on tty : \"yes\" :"
+AddRules "TTY_WARN=yes" /etc/security/msec/security.conf quiet
+echo -e "\t- Security warning in syslog : \"yes\" :"
 AddRules "SYSLOG_WARN=yes" /etc/security/msec/security.conf
 
 # Check every 1 minutes for promisc problem
+echo "Adding promisc check in crontab (scheduled every minutes) :"
 AddRules "*/1 * * * *    root    nice --adjustment=+19 /etc/security/msec/cron-sh/promisc_check.sh" /etc/crontab
+
+echo "Adding permission check in crontab (scheduled every midnight) :"
 AddRules "0 0-23 * * *    root    nice --adjustment=+19 /etc/security/msec/cron-sh/file_check.sh" /etc/crontab
 
 # Do you want a password ?
 LiloUpdate;
-/sbin/lilo
+echo -n "Running lilo to record new config : "
+/sbin/lilo >& /dev/null
+echo -e "done.\n"
 
 # Server update
+echo "Setting secure level variable to 4 :"
 AddRules "SECURE_LEVEL=4" /etc/profile
 export SECURE_LEVEL=4
 
+echo -n "Disabling all service, except : {"
 for service in `chkconfig --list | awk '{print $1}'`; do
-    chkconfig --del "${service}"
-    chkconfig --msec --add "${service}"
+    if grep -qx ${service} /etc/security/msec/init-sh/server.4; then
+        echo -n " ${service}"
+    fi
 done
+echo " } : "
 
-# Permissions 
-AddRules "umask 022" /etc/profile
+for service in `chkconfig --list | awk '{print $1}'`; do
+    chkconfig --del "${service}"
+    if ! chkconfig --msec --add "${service}"; then
+        echo -e "\t- Services ${service} is now disabled."
+    fi
+done
+echo -e "done.\n";
 
-# Path
+# /etc/profile
+echo "Setting umask to 077 (user = rw) :"
+AddRules "umask 077" /etc/profile
+echo "Adding \"normal\" PATH variable :"
 AddRules "PATH=\$PATH:/usr/X11R6/bin" /etc/profile
-
diff --git a/init-sh/level5.sh b/init-sh/level5.sh
index b6fd09d..a39944e 100755
--- a/init-sh/level5.sh
+++ b/init-sh/level5.sh
@@ -9,50 +9,82 @@ if [ -f /etc/security/msec/init-sh/lib.sh ]; then
     . /etc/security/msec/init-sh/lib.sh
 fi
 
+echo -e "Changing attribute of /var/log/* to append only...\n"
 chattr +a /var/log/*
 
 # All events logged on tty12
+echo "Loging all messages on tty12 : "
 AddRules "*.* /dev/tty12" /etc/syslog.conf
 
 # Prevent all kind of connection
+echo "Denying all kind of connection : "
 AddRules "ALL:ALL:DENY" /etc/hosts.deny
 
 # No login as root
-AddRules "" /etc/securetty
+echo "Login as root is denied : "
+echo "Modified file : /etc/securetty..."
+echo -e "done.\n\n"
 
 # Suid check
-AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf
-AddRules "CHECK_SUID_GROUP=yes" /etc/security/msec/security.conf
-AddRules "CHECK_WRITABLE=yes" /etc/security/msec/security.conf
-AddRules "CHECK_UNOWNED=yes" /etc/security/msec/security.conf
-AddRules "CHECK_PROMISC=yes" /etc/security/msec/security.conf
-AddRules "TTY_WARN=yes" /etc/security/msec/security.conf
-AddRules "SYSLOG_WARN=yes" /etc/security/msec/security.conf
-
+echo "Updating file check variable : "
+echo -e "\t- Check suid root file : yes."
+AddRules "CHECK_SUID_ROOT=yes" /etc/security/msec/security.conf 	quiet
+echo -e "\t- Check suid goup file : yes."
+AddRules "CHECK_SUID_GROUP=yes" /etc/security/msec/security.conf	quiet
+echo -e "\t- Check world writable file : yes."
+AddRules "CHECK_WRITABLE=yes" /etc/security/msec/security.conf		quiet
+echo -e "\t- Check unowned file : yes."
+AddRules "CHECK_UNOWNED=yes" /etc/security/msec/security.conf		quiet
+echo -e "\t- Check promiscuous mode : yes."
+AddRules "CHECK_PROMISC=yes" /etc/security/msec/security.conf		quiet
+echo -e "\t- Security warning on tty : \"yes\" :"
+AddRules "TTY_WARN=yes" /etc/security/msec/security.conf			quiet
+echo -e "\t- Security warning in syslog : \"yes\" :"			
+AddRules "SYSLOG_WARN=yes" /etc/security/msec/security.conf		
+
+################ Crontab things ###################
 # Check every 1 minutes for promisc problem 
+echo "Adding promisc check in crontab (scheduled every minutes) :"
 AddRules "*/1 * * * *    root    nice --adjustment=+19 /etc/security/msec/cron-sh/promisc_check.sh" /etc/crontab
-AddRules "0 0-23 * * *    root    nice --adjustment=+19 /etc/security/msec/cron-sh/file_check.sh" /etc/crontab
 
+echo "Adding permission check in crontab (schedued every midnight) :"
+AddRules "0 0-23 * * *    root    nice --adjustment=+19 /etc/security/msec/cron-sh/file_check.sh" /etc/crontab
+###################################################
 
 # Wanna a password ?
 LiloUpdate;
-/sbin/lilo
+
+echo -n "Running lilo to record new config : "
+/sbin/lilo >& /dev/null
+echo -e "done.\n"
 
 # Disable all server :
+echo "Setting secure level variable to 5 :"
 AddRules "SECURE_LEVEL=5" /etc/profile
 IFS="
 "
 
 export SECURE_LEVEL=5
+echo -n "Disabling all service, except : {"
+for service in `chkconfig --list | awk '{print $1}'`; do
+	if grep -qx ${service} /etc/security/msec/init-sh/server.5; then
+		echo -n " ${service}"
+	fi
+done
+echo " } : "
+
 for service in `chkconfig --list | awk '{print $1}'`; do
     chkconfig --del "${service}"
-	chkconfig --msec --add "${service}"
+	if ! chkconfig --msec --add "${service}"; then
+		echo -e "\t- Services ${service} is now disabled."
+	fi
 done
+echo -e "done.\n";
 
-# Permissions
+# /etc/profile
+echo "Setting umask to 077 (user = rw) :"
 AddRules "umask 077" /etc/profile 
-
-# Path
+echo "Adding \"normal\" PATH variable :"
 AddRules "PATH=\$PATH:/usr/X11R6/bin" /etc/profile
 
 echo
diff --git a/init-sh/lib.sh b/init-sh/lib.sh
index 61dfb9e..578c4e4 100644
--- a/init-sh/lib.sh
+++ b/init-sh/lib.sh
@@ -34,16 +34,24 @@ AddRules () {
 		return;
 	fi
 
+	if [ -z ${3} ]; then
+		echo "Modifying config in ${file}..."
+	fi	
+	
 	if ! grep -qx "${string}" ${file}; then
 		echo "${COMMENT}" >> ${file};
 		echo "${string}" >> ${file};
 	fi
+	if [ -z ${3} ]; then
+		echo -e "done.\n"
+	fi
 }
 
 CleanRules() {
     file=$1
     ctrl=0
 
+	echo -en "\t- Cleaning msec appended line in ${file} : "
     mv -f ${file} /tmp/secure.tmp
     touch ${file}
 
@@ -64,11 +72,14 @@ CleanRules() {
     
     rm -f /tmp/secure.tmp
 
+	echo "done."
 }
 
 CommentUserRules() {
     file=$1
 
+    echo -en "\t- Cleaning user appended line in ${file} : "
+
     mv -f ${file} /tmp/secure.tmp
     touch ${file}
      
@@ -79,6 +90,7 @@ CommentUserRules() {
     done < /tmp/secure.tmp
   
     rm -f /tmp/secure.tmp
+	echo "done."
 }
 
 Syslog() {
@@ -126,29 +138,28 @@ LiloUpdate() {
     fi
 }
 
-
+clear
+echo "Preparing to run security script : "
 CleanRules /etc/syslog.conf
-
 CleanRules /etc/hosts.deny
 CommentUserRules /etc/hosts.deny
-
 CleanRules /etc/hosts.allow
 CommentUserRules /etc/hosts.allow
-
 CleanRules /etc/securetty
 CommentUserRules /etc/securetty
-
 CleanRules /etc/security/msec/security.conf
 CommentUserRules /etc/security/msec/security.conf
-
 CleanRules /etc/profile
 CleanRules /etc/lilo.conf
 CleanRules /etc/rc.d/rc.firewall
 CleanRules /etc/crontab
 
+echo -e "\nStarting to reconfigure the system : "
 
 # For all secure level
+echo "Setting spoofing protection : "
 AddRules "echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter" /etc/rc.d/rc.firewall
+
 # default group which must exist on the system
 groupadd audio >& /dev/null
 groupadd xgrp >& /dev/null