Permenently disable bash history

covermyass.sh

@@ -15,9 +15,8 @@ echo
 echo "Select an option :"
 echo
 echo "1) Clear auth & bash history for user $USER"
-echo "2) Permenently disable bash log"
-echo "3) Kill current session"
-echo "4) Restore settings to default"
+echo "2) Permenently disable bash history"
+echo "3) Restore settings to default"
 echo "99) Exit tool"
 echo
 
@@ -29,35 +28,58 @@ if [[ $option == 1 ]]; then
         # Clear current history
         if [ -w /var/log/auth.log ]; then
                 echo "" > /var/log/auth.log
-                echo "/var/log/auth.log cleaned."
+                echo "[+] /var/log/auth.log cleaned."
         else
                 echo "[!] /var/log/auth.log is not writable! Retry using sudo."
         fi
-        
+
         if [ -a ~/.zsh_history ]; then
                 echo "" > ~/.zsh_history
-                echo "~/.zsh_history cleaned."
+                echo "[+] ~/.zsh_history cleaned."
         fi
 
         echo "" > ~/.bash_history
         rm ~/.bash_history -rf
-        echo "~/.bash_history cleaned."
-        
+        echo "[+] ~/.bash_history cleaned."
+
         history -c
-        
-        echo "Bash history cleaned."
-        echo "Reminder: your need to kill current terminal session to see changes."
+        echo "[+] History file deleted."
+
+        echo
+        echo "Reminder: your need to reload the session to see effects."
+        echo "Type exit to do so."
 elif [[ $option == 2 ]]; then
         # Permenently disable bash log
-        ln /dev/null ~/.bash_history -sf # Permanently send history to /dev/null
+        ln /dev/null ~/.bash_history -sf
+        echo "[+] Permanently sending bash_history to /dev/null"
+
+        if [ -a ~/.zsh_history ]; then
+                ln /dev/null ~/.zsh_history -sf
+                echo "[+] Permanently sending zsh_history to /dev/null"
+        fi
+
+        export HISTFILESIZE=0
+        export HISTSIZE=0
+        unset HISTFILE
+        echo "[+] Set HISTFILESIZE & HISTSIZE to 0"
+
+        set +o history
+
+        echo
         echo "Permenently disabled bash log."
 elif [[ $option == 3 ]]; then
-        kill -9 $$ # Kill current session
-elif [[ $option == 4 ]]; then
-        # Restore settings to default
-        echo "4"
+        # Restore default settings
+        #ln /dev/null ~/.bash_history -sf
+        echo "[+] Disabled sending history to /dev/null"
+
+        export HISTFILESIZE=""
+        export HISTSIZE=50000
+        echo "[+] Restore HISTFILESIZE & HISTSIZE default values"
+
+        echo
+        echo "Permenently enabeld bash log."
 elif [[ $option == 99 ]]; then
         exit 1
 else
-        echo "Option not reconized. Exiting."
+        echo "[!] Option not reconized. Exiting."
 fi