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95 lines
2.7 KiB
Bash
Executable File
95 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# CIS Debian 7 Hardening
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#
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#
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# 5.1.6 Ensure telnet server is not enabled (Scored)
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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# Based on aptitude search '~Ptelnet-server'
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PACKAGES='telnetd inetutils-telnetd telnetd-ssl krb5-telnetd heimdal-servers'
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FILE='/etc/inetd.conf'
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PATTERN='^telnet'
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# This function will be called if the script status is on enabled / audit mode
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audit () {
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for PACKAGE in $PACKAGES; do
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is_pkg_installed $PACKAGE
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if [ $FNRET = 0 ]; then
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warn "$PACKAGE is installed, checking configuration"
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does_file_exist $FILE
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if [ $FNRET != 0 ]; then
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ok "$FILE does not exist"
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else
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does_pattern_exists_in_file $FILE $PATTERN
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if [ $FNRET = 0 ]; then
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crit "$PATTERN exists, $PACKAGE services are enabled !"
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else
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ok "$PATTERN not present in $FILE"
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fi
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fi
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else
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ok "$PACKAGE is absent"
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fi
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done
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}
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# This function will be called if the script status is on enabled mode
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apply () {
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for PACKAGE in $PACKAGES; do
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is_pkg_installed $PACKAGE
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if [ $FNRET = 0 ]; then
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crit "$PACKAGE is installed, purging it"
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apt-get purge $PACKAGE -y
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apt-get autoremove
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else
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ok "$PACKAGE is absent"
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fi
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does_file_exist $FILE
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if [ $FNRET != 0 ]; then
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ok "$FILE does not exist"
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else
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info "$FILE exists, checking patterns"
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does_pattern_exists_in_file $FILE $PATTERN
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if [ $FNRET = 0 ]; then
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warn "$PATTERN present in $FILE, purging it"
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backup_file $FILE
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ESCAPED_PATTERN=$(sed "s/|\|(\|)/\\\&/g" <<< $PATTERN)
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sed -ie "s/$ESCAPED_PATTERN/#&/g" $FILE
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else
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ok "$PATTERN not present in $FILE"
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fi
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fi
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done
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ ! -r /etc/default/cis-hardening ]; then
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echo "There is no /etc/default/cis-hardening file, cannot source CIS_ROOT_DIR variable, aborting"
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exit 128
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else
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. /etc/default/cis-hardening
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if [ -z ${CIS_ROOT_DIR:-} ]; then
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echo "No CIS_ROOT_DIR variable, aborting"
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exit 128
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fi
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
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. $CIS_ROOT_DIR/lib/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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