fix: add tinyproxy in HTTP proxies

bin/hardening/1.6.5_restrict_ptrace_scope.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# 1.6.2 Ensure ptrace_scope is restricted
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=2
+# shellcheck disable=2034
+DESCRIPTION="Ensure ptrace_scope is restricted."
+
+SYSCTL_PARAM='kernel.yama.ptrace_scope'
+SYSCTL_EXP_RESULT=2
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    has_sysctl_param_expected_result "$SYSCTL_PARAM" "$SYSCTL_EXP_RESULT"
+    if [ "$FNRET" != 0 ]; then
+        crit "$SYSCTL_PARAM was not set to $SYSCTL_EXP_RESULT"
+    elif [ "$FNRET" = 255 ]; then
+        warn "$SYSCTL_PARAM does not exist -- Typo?"
+    else
+        ok "$SYSCTL_PARAM correctly set to $SYSCTL_EXP_RESULT"
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    has_sysctl_param_expected_result "$SYSCTL_PARAM" "$SYSCTL_EXP_RESULT"
+    if [ "$FNRET" != 0 ]; then
+        warn "$SYSCTL_PARAM was not set to $SYSCTL_EXP_RESULT -- Fixing"
+        set_sysctl_param "$SYSCTL_PARAM" "$SYSCTL_EXP_RESULT"
+    elif [ "$FNRET" = 255 ]; then
+        warn "$SYSCTL_PARAM does not exist -- Typo?"
+    else
+        ok "$SYSCTL_PARAM correctly set to $SYSCTL_EXP_RESULT"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    # shellcheck source=../../debian/default
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_LIB_DIR" ]; then
+    echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+    echo "Cannot source CIS_LIB_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
+    # shellcheck source=../../lib/main.sh
+    . "${CIS_LIB_DIR}"/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
+    exit 128
+fi

bin/hardening/2.2.13_disable_http_proxy.sh

@@ -19,7 +19,7 @@ DESCRIPTION="Ensure HTTP-proxy is not enabled."
 # shellcheck disable=2034
 HARDENING_EXCEPTION=http
 
-PACKAGES='squid3 squid'
+PACKAGES='squid3 squid tinyproxy'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {

bin/hardening/2.2.17_disable_nis.sh

@@ -17,7 +17,7 @@ HARDENING_LEVEL=3
 # shellcheck disable=2034
 DESCRIPTION="Disable NIS Server."
 
-PACKAGES='nis'
+PACKAGES='nis ypserv'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {

bin/hardening/2.2.18_disable_tftp.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+# run-shellcheck
+#
+# CIS Debian Hardening
+#
+
+#
+# 2.2.18 Ensure TFTP server is not enabled  (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+# shellcheck disable=2034
+HARDENING_LEVEL=3
+# shellcheck disable=2034
+DESCRIPTION="Ensure Trivial File Transfer Protocol server is not enabled."
+# shellcheck disable=2034
+HARDENING_EXCEPTION=tftp
+
+PACKAGES='tftpd tftpd-hpa'
+
+# This function will be called if the script status is on enabled / audit mode
+audit() {
+    for PACKAGE in $PACKAGES; do
+        is_pkg_installed "$PACKAGE"
+        if [ "$FNRET" = 0 ]; then
+            crit "$PACKAGE is installed!"
+        else
+            ok "$PACKAGE is absent"
+        fi
+    done
+}
+
+# This function will be called if the script status is on enabled mode
+apply() {
+    for PACKAGE in $PACKAGES; do
+        is_pkg_installed "$PACKAGE"
+        if [ "$FNRET" = 0 ]; then
+            crit "$PACKAGE is installed, purging it"
+            apt-get purge "$PACKAGE" -y
+            apt-get autoremove -y
+        else
+            ok "$PACKAGE is absent"
+        fi
+    done
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    # shellcheck source=../../debian/default
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_LIB_DIR" ]; then
+    echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+    echo "Cannot source CIS_LIB_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
+    # shellcheck source=../../lib/main.sh
+    . "${CIS_LIB_DIR}"/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
+    exit 128
+fi

bin/hardening/2.2.8_disable_dns_server.sh

@@ -19,7 +19,7 @@ DESCRIPTION="Ensure Domain Name System (dns) server is not enabled."
 # shellcheck disable=2034
 HARDENING_EXCEPTION=dns
 
-PACKAGES='bind9 unbound'
+PACKAGES='bind9 unbound dnsmasq'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {

bin/hardening/2.3.1_disable_nis.sh

@@ -17,21 +17,23 @@ HARDENING_LEVEL=3
 # shellcheck disable=2034
 DESCRIPTION="Ensure that Network Information Service is not installed. Recommended alternative : LDAP."
 
-PACKAGE='nis'
+PACKAGES='nis ypbind-mt'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    for PACKAGE in $PACKAGES; do
         is_pkg_installed "$PACKAGE"
         if [ "$FNRET" = 0 ]; then
             crit "$PACKAGE is installed!"
         else
             ok "$PACKAGE is absent"
         fi
-    :
+    done
 }
 
 # This function will be called if the script status is on enabled mode
 apply() {
+    for PACKAGE in $PACKAGES; do
         is_pkg_installed "$PACKAGE"
         if [ "$FNRET" = 0 ]; then
             crit "$PACKAGE is installed, purging it"
@@ -40,6 +42,7 @@ apply() {
         else
             ok "$PACKAGE is absent"
         fi
+    done
 }
 
 # This function will check config parameters required

tests/hardening/1.6.5_restrict_ptrace_scope.sh

@@ -0,0 +1,16 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    register_test retvalshouldbe 0
+    dismiss_count_for_test
+    # shellcheck disable=2154
+    run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+
+    ##################################################################
+    # For this test, we only check that it runs properly on a blank  #
+    # host, and we check root/sudo consistency. But, we don't test   #
+    # the apply function because it can't be automated or it is very #
+    # long to test and not very useful.                              #
+    ##################################################################
+}

tests/hardening/2.2.18_disable_tftp.sh

@@ -0,0 +1,16 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    register_test retvalshouldbe 0
+    dismiss_count_for_test
+    # shellcheck disable=2154
+    run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+
+    ##################################################################
+    # For this test, we only check that it runs properly on a blank  #
+    # host, and we check root/sudo consistency. But, we don't test   #
+    # the apply function because it can't be automated or it is very #
+    # long to test and not very useful.                              #
+    ##################################################################
+}