From 1e8d90198d1c5357289df1c41f8cb25677fe78c1 Mon Sep 17 00:00:00 2001
From: "thibault.dewailly" <thibault.dewailly@ovh.net>
Date: Mon, 11 Apr 2016 17:50:06 +0200
Subject: [PATCH] 5.1.4_disable_talk.sh

---
 bin/hardening/5.1.4_disable_talk.sh | 83 +++++++++++++++++++++++++++++
 etc/conf.d/5.1.4_disable_talk.cfg   |  2 +
 2 files changed, 85 insertions(+)
 create mode 100755 bin/hardening/5.1.4_disable_talk.sh
 create mode 100644 etc/conf.d/5.1.4_disable_talk.cfg

diff --git a/bin/hardening/5.1.4_disable_talk.sh b/bin/hardening/5.1.4_disable_talk.sh
new file mode 100755
index 0000000..8bf4b9b
--- /dev/null
+++ b/bin/hardening/5.1.4_disable_talk.sh
@@ -0,0 +1,83 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+#
+
+#
+# 5.1.2 Ensure rsh server is not enabled (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+PACKAGE='inetutils-talk'
+FILE='/etc/inetd.conf'
+PATTERN='^(talk|ntalk)'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    is_pkg_installed $PACKAGE
+    if [ $FNRET = 0 ]; then
+        warn "$PACKAGE is installed, checking configuration"
+        does_file_exist $FILE
+        if [ $FNRET != 0 ]; then
+            ok "$FILE does not exist"
+        else
+            does_pattern_exists_in_file $FILE $PATTERN
+            if [ $FNRET = 0 ]; then
+                crit "$PATTERN exists, $PACKAGE services are enabled !"
+            else
+                ok "$PATTERN not present in $FILE"
+            fi
+        fi
+    else
+        ok "$PACKAGE is absent"
+    fi
+    :
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    is_pkg_installed $PACKAGE
+    if [ $FNRET = 0 ]; then
+        crit "$PACKAGE is installed, purging it"
+        apt-get purge $PACKAGE -y
+    else
+        ok "$PACKAGE is absent"
+    fi
+    does_file_exist $FILE
+    if [ $FNRET != 0 ]; then
+        ok "$FILE does not exist"
+    else
+        info "$FILE exists, checking patterns"
+        does_pattern_exists_in_file $FILE $PATTERN
+        if [ $FNRET = 0 ]; then
+            warn "$PATTERN present in $FILE, purging it"
+            backup_file $FILE
+            ESCAPED_PATTERN=$(sed "s/|\|(\|)/\\\&/g" <<< $PATTERN)
+            sed -ie "s/$ESCAPED_PATTERN/#&/g" $FILE
+        else
+            ok "$PATTERN not present in $FILE"
+        fi
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ ! -r /etc/default/cis-hardenning ]; then
+    echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
+    exit 128
+else
+    . /etc/default/cis-hardenning
+    if [ -z $CIS_ROOT_DIR ]; then
+        echo "No CIS_ROOT_DIR variable, aborting"
+    fi
+fi 
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh
diff --git a/etc/conf.d/5.1.4_disable_talk.cfg b/etc/conf.d/5.1.4_disable_talk.cfg
new file mode 100644
index 0000000..e1e4502
--- /dev/null
+++ b/etc/conf.d/5.1.4_disable_talk.cfg
@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled