mirror of
https://github.com/hardenedlinux/harbian-audit.git
synced 2025-04-08 17:06:34 +02:00
Eliminate duplicate audit items 9.3.26
This commit is contained in:
Samson-W
parent
0e20dd251a
commit
3fbb8a8452
@ -1,11 +1,12 @@
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#!/bin/bash
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#
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# harbian-audit for Debian GNU/Linux 7/8/9 Hardening
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# harbian-audit for Debian GNU/Linux 9 Hardening
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#
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#
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# 9.3.13 Limit Access via SSH (Scored)
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# 9.3.13 Ensure SSH access is limited (Scored)
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# Auther: Samson-W (sccxboy@gmail.com)
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#
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set -e # One error, it's over
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@ -15,28 +16,59 @@ HARDENING_LEVEL=3
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PACKAGE='openssh-server'
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FILE='/etc/ssh/sshd_config'
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ALLOWUSER='AllowUsers[[:space:]]*\*'
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ALLOWGROUP='AllowGroups[[:space:]]*\*'
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DENYUSER='DenyUsers[[:space:]]*nobody'
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DENYGROUP='DenyGroups[[:space:]]*nobody'
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ALLOWUSER_KEY='AllowUsers'
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ALLOWGROUP_KEY='AllowGroups'
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DENYUSER_KEY='DenyUsers'
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DENYGROUP_KEY='DenyGroups'
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ALLOWUSER_RET=1
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ALLOWGROUP_RET=1
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DENYUSER_RET=1
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DENYGROUP_RET=1
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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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OPTIONS="AllowUsers='$ALLOWED_USERS' AllowGroups='$ALLOWED_GROUPS' DenyUsers='$DENIED_USERS' DenyGroups='$DENIED_GROUPS'"
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is_pkg_installed $PACKAGE
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if [ $FNRET != 0 ]; then
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crit "$PACKAGE is not installed!"
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else
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ok "$PACKAGE is installed"
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for SSH_OPTION in $OPTIONS; do
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SSH_PARAM=$(echo $SSH_OPTION | cut -d= -f 1)
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SSH_VALUE=$(echo $SSH_OPTION | cut -d= -f 2)
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SSH_VALUE=$(sed "s/'//g" <<< $SSH_VALUE)
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PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE"
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does_pattern_exist_in_file $FILE "$PATTERN"
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if [ $FNRET = 0 ]; then
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ok "$PATTERN is present in $FILE"
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else
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crit "$PATTERN is not present in $FILE"
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fi
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done
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fi
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check_sshd_access_limit $ALLOWUSER_KEY $ALLOWUSER
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if [ $FNRET != 0 ]; then
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crit "AllowUsers is not set!"
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else
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ok "AllowUsers has set limit."
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ALLOWUSER_RET=0
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fi
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check_sshd_access_limit $ALLOWGROUP_KEY $ALLOWGROUP
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if [ $FNRET != 0 ]; then
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crit "AllowGroups is not set!"
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else
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ok "AllowGroups has set limit."
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ALLOWGROUP_RET=0
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fi
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check_sshd_access_limit $DENYUSER_KEY $DENYUSER
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if [ $FNRET != 0 ]; then
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crit "DenyUsers is not set!"
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else
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ok "DenyUsers has set limit."
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DENYUSER_RET=0
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fi
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check_sshd_access_limit $DENYGROUP_KEY $DENYGROUP
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if [ $FNRET != 0 ]; then
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crit "DenyGroups is not set!"
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else
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ok "DenyGroups has set limit."
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DENYGROUP_RET=0
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fi
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fi
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}
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# This function will be called if the script status is on enabled mode
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@ -48,59 +80,31 @@ apply () {
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crit "$PACKAGE is absent, installing it"
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install_package $PACKAGE
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fi
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for SSH_OPTION in $OPTIONS; do
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SSH_PARAM=$(echo $SSH_OPTION | cut -d= -f 1)
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SSH_VALUE=$(echo $SSH_OPTION | cut -d= -f 2)
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SSH_VALUE=$(sed "s/'//g" <<< $SSH_VALUE)
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PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE"
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does_pattern_exist_in_file $FILE "$PATTERN"
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if [ $FNRET = 0 ]; then
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ok "$PATTERN is present in $FILE"
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else
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warn "$PATTERN is not present in $FILE, adding it"
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does_pattern_exist_in_file $FILE "^$SSH_PARAM"
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if [ $FNRET != 0 ]; then
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add_end_of_file $FILE "$SSH_PARAM $SSH_VALUE"
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else
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info "Parameter $SSH_PARAM is present but with the wrong value -- Fixing"
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replace_in_file $FILE "^$SSH_PARAM[[:space:]]*.*" "$SSH_PARAM $SSH_VALUE"
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fi
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systemctl reload sshd
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fi
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done
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}
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# This function will create the config file for this check with default values
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create_config() {
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cat <<EOF
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status=disabled
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# Put here ssh user hardening list, there is a default in script to not break your configuration
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# However, it can erase current configuration
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ALLOWED_USERS=''
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ALLOWED_GROUPS=''
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DENIED_USERS=''
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DENIED_GROUPS=''
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EOF
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if [ $ALLOWUSER_RET -eq 1 ]; then
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warn "AllowUsers is not set! Need manual operation set it."
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else
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ok "AllowUsers has set limit."
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fi
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if [ $ALLOWGROUP_RET -eq 1 ]; then
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warn "AllowGroups is not set! Need manual operation set it."
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else
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ok "AllowGroups has set limit."
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fi
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if [ $DENYUSER_RET -eq 1 ]; then
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warn "DenyUsers is not set! Need manual operation set it."
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else
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ok "DenyUsers has set limit."
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fi
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if [ $DENYGROUP_RET -eq 1 ]; then
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warn "DenyGroups is not set! Need manual operation set it."
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else
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ok "DenyGroups has set limit."
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fi
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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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if [ -z $ALLOWED_USERS ]; then
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info "ALLOWED_USERS is not set, defaults to wildcard"
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ALLOWED_USERS="*"
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fi
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if [ -z $ALLOWED_GROUPS ]; then
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info "ALLOWED_GROUPS is not set, defaults to wildcard"
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ALLOWED_GROUPS="*"
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fi
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if [ -z $DENIED_USERS ]; then
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info "DENIED_USERS is not set, defaults to nobody"
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DENIED_USERS="nobody"
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fi
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if [ -z $DENIED_GROUPS ]; then
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info "DENIED_GROUPS is not set, defaults to nobody"
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DENIED_GROUPS="nobody"
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fi
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:
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}
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# Source Root Dir Parameter
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@ -1,126 +0,0 @@
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#!/bin/bash
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#
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# harbian-audit for Debian GNU/Linux 9 Hardening
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#
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#
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# 9.3.26 Ensure SSH access is limited (Scored)
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# Auther: Samson-W (sccxboy@gmail.com)
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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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HARDENING_LEVEL=3
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PACKAGE='openssh-server'
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FILE='/etc/ssh/sshd_config'
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ALLOWUSER='AllowUsers[[:space:]]*\*'
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ALLOWGROUP='AllowGroups[[:space:]]*\*'
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DENYUSER='DenyUsers[[:space:]]*nobody'
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DENYGROUP='DenyGroups[[:space:]]*nobody'
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ALLOWUSER_KEY='AllowUsers'
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ALLOWGROUP_KEY='AllowGroups'
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DENYUSER_KEY='DenyUsers'
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DENYGROUP_KEY='DenyGroups'
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ALLOWUSER_RET=1
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ALLOWGROUP_RET=1
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DENYUSER_RET=1
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DENYGROUP_RET=1
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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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is_pkg_installed $PACKAGE
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if [ $FNRET != 0 ]; then
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crit "$PACKAGE is not installed!"
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else
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ok "$PACKAGE is installed"
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check_sshd_access_limit $ALLOWUSER_KEY $ALLOWUSER
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if [ $FNRET != 0 ]; then
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crit "AllowUsers is not set!"
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else
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ok "AllowUsers has set limit."
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ALLOWUSER_RET=0
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fi
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check_sshd_access_limit $ALLOWGROUP_KEY $ALLOWGROUP
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if [ $FNRET != 0 ]; then
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crit "AllowGroups is not set!"
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else
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ok "AllowGroups has set limit."
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ALLOWGROUP_RET=0
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fi
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check_sshd_access_limit $DENYUSER_KEY $DENYUSER
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if [ $FNRET != 0 ]; then
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crit "DenyUsers is not set!"
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else
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ok "DenyUsers has set limit."
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DENYUSER_RET=0
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fi
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check_sshd_access_limit $DENYGROUP_KEY $DENYGROUP
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if [ $FNRET != 0 ]; then
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crit "DenyGroups is not set!"
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else
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ok "DenyGroups has set limit."
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DENYGROUP_RET=0
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fi
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fi
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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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is_pkg_installed $PACKAGE
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if [ $FNRET = 0 ]; then
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ok "$PACKAGE is installed"
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else
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crit "$PACKAGE is absent, installing it"
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install_package $PACKAGE
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fi
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if [ $ALLOWUSER_RET -eq 1 ]; then
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warn "AllowUsers is not set! Need manual operation set it."
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else
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ok "AllowUsers has set limit."
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fi
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if [ $ALLOWGROUP_RET -eq 1 ]; then
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warn "AllowGroups is not set! Need manual operation set it."
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else
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ok "AllowGroups has set limit."
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fi
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if [ $DENYUSER_RET -eq 1 ]; then
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warn "DenyUsers is not set! Need manual operation set it."
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else
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ok "DenyUsers has set limit."
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fi
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if [ $DENYGROUP_RET -eq 1 ]; then
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warn "DenyGroups is not set! Need manual operation set it."
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else
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ok "DenyGroups has set limit."
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_ROOT_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_ROOT_DIR variable, aborting."
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exit 128
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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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