4 files changed, 39 insertions, 1 deletions
diff --git a/init-sh/custom.sh b/init-sh/custom.sh
index b8b8402..9d46bd1 100755
--- a/init-sh/custom.sh
+++ b/init-sh/custom.sh
@@ -62,6 +62,18 @@ if [[ ${answer} == yes ]]; then
     AddRules "tty6" /etc/securetty 
 fi
 ###
+echo "Do you want to enable the libsafe stack overflow protection ?"
+echo "This stack overflow protection work by catching dangerous function call"
+echo "like strcpy, strcat, getwd, gets, [vf]scanf, realpath, [v]sprintf"
+echo "and verify the address & the size of the destination buffer in the stack"
+echo "this is done by searching in the stack frame the one which contain the"
+echo "destination address, and by substracting the frame address to the destination buffer one" 
+WaitAnswer; clear
+if [[ ${answer} == yes ]]; then
+	AddRules "export LD_PRELOAD=/usr/lib/libsafe.so.1.2" /etc/profile
+fi
+
+###
 echo "Do you want your system to daily check important security problem ?"
 WaitAnswer; clear
 if [[ ${answer} == yes ]]; then
diff --git a/init-sh/level4.sh b/init-sh/level4.sh
index 75a0e85..f10fb54 100755
--- a/init-sh/level4.sh
+++ b/init-sh/level4.sh
@@ -105,9 +105,15 @@ echo -e "done.\n";
 # /etc/profile
 echo "Setting umask to 022 (u=rw,g=rx) for root, 077 (u=rw) for user :"
 AddRules "if [[ \${UID} == 0 ]]; then umask 022; else umask 077; fi" /etc/profile
+
 echo "Adding \"normal\" PATH variable :"
 AddRules "PATH=\$PATH:/usr/X11R6/bin:/usr/games" /etc/profile quiet
-AddRules "export PATH SECURE_LEVEL" /etc/profile
+AddRules "export PATH SECURE_LEVEL" /etc/profile 
+
+if [[ -f /usr/lib/libsafe.so.1.2 ]]; then
+    echo "Enabling stack overflow protection :"
+    AddRules "export LD_PRELOAD=/usr/lib/libsafe.so.1.2" /etc/profile
+fi
 
 # Do not boot on a shell
 echo -n "Setting up inittab to deny any user to issue ctrl-alt-del : "
@@ -122,3 +128,8 @@ echo "done."
 # Group were modified in lib.sh...
 grpconv
 
+
+
+
+
+
diff --git a/init-sh/level5.sh b/init-sh/level5.sh
index 59dc413..0e458b7 100755
--- a/init-sh/level5.sh
+++ b/init-sh/level5.sh
@@ -103,10 +103,16 @@ echo -e "done.\n";
 # /etc/profile
 echo "Setting umask to 077 (u=rw) :"
 AddRules "umask 077" /etc/profile 
+
 echo "Adding \"normal\" PATH variable :"
 AddRules "PATH=\$PATH:/usr/X11R6/bin" /etc/profile quiet
 AddRules "export PATH SECURE_LEVEL" /etc/profile
 
+if [[ -f /usr/lib/libsafe.so.1.2 ]]; then
+    echo "Enabling stack overflow protection :"
+    AddRules "export LD_PRELOAD=/usr/lib/libsafe.so.1.2" /etc/profile
+fi
+
 # Do not boot on a shell
 echo -n "Setting up inittab to deny any user to issue ctrl-alt-del : "
 tmpfile=`mktemp /tmp/secure.XXXXXX`
@@ -144,3 +150,6 @@ grpconv
 
 
 
+
+
+
diff --git a/init-sh/msec b/init-sh/msec
index 2fc7c53..1ba1bb2 100755
--- a/init-sh/msec
+++ b/init-sh/msec
@@ -16,11 +16,17 @@ fi
 
 if [[ ${1} == custom ]]; then
 	/usr/share/msec/custom.sh
+	echo
+	echo "You might logout of your session for some change to be activated."
+	echo
 	exit 0;
 fi
 
 if [[ -f /usr/share/msec/level$1.sh ]]; then
 	/usr/share/msec/level$1.sh
+	echo
+	echo "You might logout of your session for some change to be activated."
+	echo
 	if [[ -f /usr/share/msec/perm.$1 ]]; then
 		/usr/share/msec/file_perm.sh /usr/share/msec/perm.$1
 	else