Update changelog

fix #85

README.md

@@ -1,6 +1,6 @@
 # :lock: CIS Debian 9/10 Hardening
 
-:tada: **News**: this projet is back in the game and is from now on maintained. Be free to use and to
+:tada: **News**: this project is back in the game and is from now on maintained. Be free to use and to
 report issues if you find any!
 
 

bin/hardening/1.1.15_run_shm_nodev.sh

@@ -24,7 +24,11 @@ OPTION="nodev"
 # This function will be called if the script status is on enabled / audit mode
 audit() {
     info "Verifying that $PARTITION is a partition"
+    if [ -e "$PARTITION" ]; then
         PARTITION=$(readlink -e "$PARTITION")
+    else
+        PARTITION="/dev/shm"
+    fi
     FNRET=0
     is_a_partition "$PARTITION"
     if [ "$FNRET" -gt 0 ]; then

bin/hardening/1.1.16_run_shm_nosuid.sh

@@ -24,7 +24,11 @@ OPTION="nosuid"
 # This function will be called if the script status is on enabled / audit mode
 audit() {
     info "Verifying that $PARTITION is a partition"
+    if [ -e "$PARTITION" ]; then
         PARTITION=$(readlink -e "$PARTITION")
+    else
+        PARTITION="/dev/shm"
+    fi
     FNRET=0
     is_a_partition "$PARTITION"
     if [ "$FNRET" -gt 0 ]; then

bin/hardening/1.1.17_run_shm_noexec.sh

@@ -24,7 +24,11 @@ OPTION="noexec"
 # This function will be called if the script status is on enabled / audit mode
 audit() {
     info "Verifying that $PARTITION is a partition"
+    if [ -e "$PARTITION" ]; then
         PARTITION=$(readlink -e "$PARTITION")
+    else
+        PARTITION="/dev/shm"
+    fi
     FNRET=0
     is_a_partition "$PARTITION"
     if [ "$FNRET" -gt 0 ]; then

bin/hardening/1.5.1_bootloader_ownership.sh

@@ -66,22 +66,22 @@ check_config() {
     is_pkg_installed "grub-pc"
     if [ "$FNRET" != 0 ]; then
         warn "Grub is not installed, not handling configuration"
-        exit 128
+        exit 2
     fi
     does_user_exist "$USER"
     if [ "$FNRET" != 0 ]; then
         crit "$USER does not exist"
-        exit 128
+        exit 2
     fi
     does_group_exist "$GROUP"
     if [ "$FNRET" != 0 ]; then
         crit "$GROUP does not exist"
-        exit 128
+        exit 2
     fi
     does_file_exist "$FILE"
     if [ "$FNRET" != 0 ]; then
         crit "$FILE does not exist"
-        exit 128
+        exit 2
     fi
 }
 

bin/hardening/1.5.2_bootloader_password.sh

@@ -51,7 +51,6 @@ apply() {
     else
         ok "$PWD_PATTERN is present in $FILE"
     fi
-    :
 }
 
 # This function will check config parameters required
@@ -59,11 +58,11 @@ check_config() {
     is_pkg_installed "grub-pc"
     if [ "$FNRET" != 0 ]; then
         warn "grub-pc is not installed, not handling configuration"
-        exit 128
+        exit 2
     fi
     if [ "$FNRET" != 0 ]; then
         crit "$FILE does not exist"
-        exit 128
+        exit 2
     fi
 }
 

bin/hardening/1.5.3_root_password.sh

@@ -38,7 +38,6 @@ apply() {
     else
         ok "$PATTERN is not present in $FILE"
     fi
-    :
 }
 
 # This function will check config parameters required

bin/hardening/1.6.1_enable_nx_support.sh

@@ -35,6 +35,9 @@ nx_supported_and_enabled() {
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    if [ "$IS_CONTAINER" -eq 1 ]; then
+        ok "Container detected, cannot read dmesg!"
+    else
         does_pattern_exist_in_dmesg "$PATTERN"
         if [ "$FNRET" != 0 ]; then
             nx_supported_and_enabled
@@ -46,10 +49,14 @@ audit() {
         else
             ok "$PATTERN is present in dmesg"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
 apply() {
+    if [ "$IS_CONTAINER" -eq 1 ]; then
+        ok "Container detected, cannot read dmesg!"
+    else
         does_pattern_exist_in_dmesg "$PATTERN"
         if [ "$FNRET" != 0 ]; then
             nx_supported_and_enabled
@@ -61,6 +68,7 @@ apply() {
         else
             ok "$PATTERN is present in dmesg"
         fi
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/1.7.1.2_enable_apparmor.sh

@@ -21,15 +21,27 @@ PACKAGES='apparmor apparmor-utils'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    ERROR=0
     for PACKAGE in $PACKAGES; do
         is_pkg_installed "$PACKAGE"
         if [ "$FNRET" != 0 ]; then
             crit "$PACKAGE is absent!"
+            ERROR=1
         else
             ok "$PACKAGE is installed"
         fi
     done
 
+    if [ "$ERROR" = 0 ]; then
+        is_pkg_installed "grub-pc"
+        if [ "$FNRET" != 0 ]; then
+            if [ "$IS_CONTAINER" -eq 1 ]; then
+                ok "Grub is not installed in container"
+            else
+                warn "Grub is not installed"
+                exit 128
+            fi
+        else
             ERROR=0
             RESULT=$($SUDO_CMD grep "^\s*linux" /boot/grub/grub.cfg)
 
@@ -48,6 +60,8 @@ audit() {
                 ok "$PACKAGES are configured"
 
             fi
+        fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
@@ -62,6 +76,14 @@ apply() {
         fi
     done
 
+    is_pkg_installed "grub-pc"
+    if [ "$FNRET" != 0 ]; then
+        if [ "$IS_CONTAINER" -eq 1 ]; then
+            ok "Grub is not installed in container"
+        else
+            warn "You should use grub. Install it yourself"
+        fi
+    else
         ERROR=0
         RESULT=$($SUDO_CMD grep "^\s*linux" /boot/grub/grub.cfg)
 
@@ -83,6 +105,7 @@ apply() {
         else
             ok "$PACKAGES are configured"
         fi
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/1.7.1.3_enforce_or_complain_apparmor.sh

@@ -21,15 +21,17 @@ PACKAGES='apparmor apparmor-utils'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    ERROR=0
     for PACKAGE in $PACKAGES; do
         is_pkg_installed "$PACKAGE"
         if [ "$FNRET" != 0 ]; then
             crit "$PACKAGE is absent!"
+            ERROR=1
         else
             ok "$PACKAGE is installed"
         fi
     done
-
+    if [ "$ERROR" = 0 ]; then
         RESULT_UNCONFINED=$($SUDO_CMD apparmor_status | grep "^0 processes are unconfined but have a profile defined")
 
         if [ -n "$RESULT_UNCONFINED" ]; then
@@ -38,6 +40,7 @@ audit() {
         else
             crit "Some processes are unconfined while they have defined profile"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
@@ -46,6 +49,7 @@ apply() {
         is_pkg_installed "$PACKAGE"
         if [ "$FNRET" != 0 ]; then
             crit "$PACKAGES is absent!"
+            apt_install "$PACKAGE"
         else
             ok "$PACKAGE is installed"
         fi

bin/hardening/1.7.1.4_enforcing_apparmor.sh

@@ -21,15 +21,17 @@ PACKAGES='apparmor apparmor-utils'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    ERROR=0
     for PACKAGE in $PACKAGES; do
         is_pkg_installed "$PACKAGE"
         if [ "$FNRET" != 0 ]; then
             crit "$PACKAGE is absent!"
+            ERROR=1
         else
             ok "$PACKAGE is installed"
         fi
     done
-
+    if [ "$ERROR" = 0 ]; then
         RESULT_UNCONFINED=$($SUDO_CMD apparmor_status | grep "^0 processes are unconfined but have a profile defined")
         RESULT_COMPLAIN=$($SUDO_CMD apparmor_status | grep "^0 profiles are in complain mode.")
 
@@ -44,6 +46,7 @@ audit() {
         else
             crit "Some processes are in complain mode"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
@@ -52,6 +55,7 @@ apply() {
         is_pkg_installed "$PACKAGE"
         if [ "$FNRET" != 0 ]; then
             crit "$PACKAGE is absent!"
+            apt_install "$PACKAGE"
         else
             ok "$PACKAGE is installed"
         fi

bin/hardening/2.2.15_mta_localhost.sh

@@ -21,6 +21,11 @@ HARDENING_EXCEPTION=mail
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    is_pkg_installed net-tools
+    if [ "$FNRET" != 0 ]; then
+        warn "netsat not installed, cannot execute check"
+        exit 2
+    else
         info "Checking netport ports opened"
         RESULT=$($SUDO_CMD netstat -an | grep LIST | grep ":25[[:space:]]") || :
         RESULT=${RESULT:-}
@@ -35,10 +40,16 @@ audit() {
                 crit "MTA listens worldwide"
             fi
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
 apply() {
+    is_pkg_installed net-tools
+    if [ "$FNRET" != 0 ]; then
+        warn "netsat not installed, cannot execute check"
+        exit 2
+    else
         info "Checking netport ports opened"
         RESULT=$(netstat -an | grep LIST | grep ":25[[:space:]]") || :
         RESULT=${RESULT:-}
@@ -53,7 +64,7 @@ apply() {
                 warn "MTA listens worldwide, correct this considering your MTA"
             fi
         fi
-    :
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/4.1.1.3_audit_bootloader.sh

@@ -18,7 +18,7 @@ HARDENING_LEVEL=4
 DESCRIPTION="Enable auditing for processes that start prior to auditd."
 
 FILE='/etc/default/grub'
-OPTIONS='GRUB_CMDLINE_LINUX="audit=1"'
+OPTIONS='GRUB_CMDLINE_LINUX=audit=1'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
@@ -30,7 +30,7 @@ audit() {
         for GRUB_OPTION in $OPTIONS; do
             GRUB_PARAM=$(echo "$GRUB_OPTION" | cut -d= -f 1)
             GRUB_VALUE=$(echo "$GRUB_OPTION" | cut -d= -f 2,3)
-            PATTERN="^$GRUB_PARAM=$GRUB_VALUE"
+            PATTERN="^$GRUB_PARAM=.*$GRUB_VALUE"
             debug "$GRUB_PARAM should be set to $GRUB_VALUE"
             does_pattern_exist_in_file "$FILE" "$PATTERN"
             if [ "$FNRET" != 0 ]; then
@@ -55,7 +55,7 @@ apply() {
         GRUB_PARAM=$(echo "$GRUB_OPTION" | cut -d= -f 1)
         GRUB_VALUE=$(echo "$GRUB_OPTION" | cut -d= -f 2,3)
         debug "$GRUB_PARAM should be set to $GRUB_VALUE"
-        PATTERN="^$GRUB_PARAM=$GRUB_VALUE"
+        PATTERN="^$GRUB_PARAM=.*$GRUB_VALUE"
         does_pattern_exist_in_file "$FILE" "$PATTERN"
         if [ "$FNRET" != 0 ]; then
             warn "$PATTERN is not present in $FILE, adding it"

bin/hardening/4.1.1.4_audit_backlog_limit.sh

@@ -18,7 +18,7 @@ HARDENING_LEVEL=4
 DESCRIPTION="Configure audit_backlog_limit to be sufficient."
 
 FILE='/etc/default/grub'
-OPTIONS='GRUB_CMDLINE_LINUX="audit_backlog_limit=8192"'
+OPTIONS='GRUB_CMDLINE_LINUX=audit_backlog_limit=8192'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
@@ -30,7 +30,7 @@ audit() {
         for GRUB_OPTION in $OPTIONS; do
             GRUB_PARAM=$(echo "$GRUB_OPTION" | cut -d= -f 1)
             GRUB_VALUE=$(echo "$GRUB_OPTION" | cut -d= -f 2,3)
-            PATTERN="^$GRUB_PARAM=$GRUB_VALUE"
+            PATTERN="^$GRUB_PARAM=.*$GRUB_VALUE"
             debug "$GRUB_PARAM should be set to $GRUB_VALUE"
             does_pattern_exist_in_file "$FILE" "$PATTERN"
             if [ "$FNRET" != 0 ]; then
@@ -55,7 +55,7 @@ apply() {
         GRUB_PARAM=$(echo "$GRUB_OPTION" | cut -d= -f 1)
         GRUB_VALUE=$(echo "$GRUB_OPTION" | cut -d= -f 2,3)
         debug "$GRUB_PARAM should be set to $GRUB_VALUE"
-        PATTERN="^$GRUB_PARAM=$GRUB_VALUE"
+        PATTERN="^$GRUB_PARAM=.*$GRUB_VALUE"
         does_pattern_exist_in_file "$FILE" "$PATTERN"
         if [ "$FNRET" != 0 ]; then
             warn "$PATTERN is not present in $FILE, adding it"

bin/hardening/4.1.11_record_privileged_commands.sh

@@ -18,8 +18,7 @@ HARDENING_LEVEL=4
 DESCRIPTION="Collect use of privileged commands."
 
 # Find all files with setuid or setgid set
-SUDO_CMD='sudo -n'
+AUDIT_PARAMS=$(find / -xdev \( -perm -4000 -o -perm -2000 \) -type f |
-AUDIT_PARAMS=$($SUDO_CMD find / -xdev \( -perm -4000 -o -perm -2000 \) -type f |
     awk '{print "-a always,exit -F path=" $1 " -F perm=x -F auid>=1000 -F auid!=4294967295 -k privileged" }')
 FILE='/etc/audit/audit.rules'
 

bin/hardening/4.2.1.2_enable_syslog-ng.sh

@@ -17,10 +17,15 @@ HARDENING_LEVEL=3
 # shellcheck disable=2034
 DESCRIPTION="Ensure syslog-ng service is activated."
 
+PACKAGE='syslog-ng'
 SERVICE_NAME="syslog-ng"
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" != 0 ]; then
+        crit "$PACKAGE is not installed!"
+    else
         info "Checking if $SERVICE_NAME is enabled"
         is_service_enabled "$SERVICE_NAME"
         if [ "$FNRET" = 0 ]; then
@@ -28,10 +33,15 @@ audit() {
         else
             crit "$SERVICE_NAME is disabled"
         fi
+    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 not installed!"
+    else
         info "Checking if $SERVICE_NAME is enabled"
         is_service_enabled "$SERVICE_NAME"
         if [ "$FNRET" != 0 ]; then
@@ -41,6 +51,7 @@ apply() {
         else
             ok "$SERVICE_NAME is enabled"
         fi
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/4.2.1.4_syslog_ng_logfiles_perm.sh

@@ -19,6 +19,7 @@ DESCRIPTION="Create and set permissions on syslog-ng logfiles."
 
 # Note: this is not exacly the same check as the one described in CIS PDF
 
+PACKAGE='syslog-ng'
 PERMISSIONS=''
 USER=''
 GROUP=''
@@ -26,6 +27,10 @@ EXCEPTIONS=''
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" != 0 ]; then
+        crit "$PACKAGE is not installed!"
+    else
         FILES=$(grep "file(" "$SYSLOG_BASEDIR"/syslog-ng.conf | grep '"' | cut -d'"' -f 2)
         for FILE in $FILES; do
             does_file_exist "$FILE"
@@ -64,10 +69,15 @@ audit() {
                 fi
             fi
         done
+    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 not installed!"
+    else
         for FILE in $FILES; do
             does_file_exist "$FILE"
             if [ "$FNRET" != 0 ]; then
@@ -113,6 +123,7 @@ apply() {
                 PERMISSIONS="$perm_bak"
             fi
         done
+    fi
 }
 
 # This function will create the config file for this check with default values

bin/hardening/4.2.1.5_syslog-ng_remote_host.sh

@@ -17,10 +17,16 @@ HARDENING_LEVEL=3
 # shellcheck disable=2034
 DESCRIPTION="Configure syslog-ng to send logs to a remote log host."
 
+PACKAGE='syslog-ng'
+
 PATTERN='destination[[:alnum:][:space:]*{]+(tcp|udp)[[:space:]]*\(\"[[:alnum:].]+\".'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" != 0 ]; then
+        crit "$PACKAGE is not installed!"
+    else
         FOUND=0
         FILES="$SYSLOG_BASEDIR/syslog-ng.conf $($SUDO_CMD find -L "$SYSLOG_BASEDIR"/conf.d/ -type f)"
         for FILE in $FILES; do
@@ -35,10 +41,15 @@ audit() {
         else
             crit "$PATTERN is not present in $FILES"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
 apply() {
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" != 0 ]; then
+        crit "$PACKAGE is not installed!"
+    else
         FOUND=0
         FILES="$SYSLOG_BASEDIR/syslog-ng.conf $(find -L "$SYSLOG_BASEDIR"/conf.d/ -type f)"
         for FILE in $FILES; do
@@ -52,6 +63,7 @@ apply() {
         else
             crit "$PATTERN is not present in $FILES, please set a remote host to send your logs"
         fi
+    fi
 }
 
 # This function will create the config file for this check with default values

bin/hardening/4.2.1.6_remote_syslog-ng_acl.sh

@@ -17,11 +17,17 @@ HARDENING_LEVEL=3
 # shellcheck disable=2034
 DESCRIPTION="Configure syslog to accept remote syslog messages only on designated log hosts."
 
+PACKAGE='syslog-ng'
+
 REMOTE_HOST=""
 PATTERN='source[[:alnum:][:space:]*{]+(tcp|udp)[[:space:]]*\(\"[[:alnum:].]+\".'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" != 0 ]; then
+        crit "$PACKAGE is not installed!"
+    else
         FOUND=0
         FILES="$SYSLOG_BASEDIR/syslog-ng.conf $($SUDO_CMD find -L "$SYSLOG_BASEDIR"/conf.d/ -type f)"
         for FILE in $FILES; do
@@ -45,12 +51,16 @@ audit() {
             else
                 ok "$PATTERN is not present in $FILES"
             fi
-
+        fi
     fi
 }
 
 # This function will be called if the script status is on enabled mode
 apply() {
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" != 0 ]; then
+        crit "$PACKAGE is not installed!"
+    else
         FOUND=0
         FILES="$SYSLOG_BASEDIR/syslog-ng.conf $(find -L "$SYSLOG_BASEDIR"/conf.d/ -type f)"
         for FILE in $FILES; do
@@ -74,7 +84,7 @@ apply() {
             else
                 ok "$PATTERN is not present in $FILES"
             fi
-
+        fi
     fi
 }
 

bin/hardening/5.1.2_crontab_perm_ownership.sh

@@ -27,7 +27,7 @@ audit() {
     does_file_exist "$FILE"
     if [ "$FNRET" != 0 ]; then
         crit "$FILE does not exist"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -40,6 +40,7 @@ audit() {
         else
             crit "$FILE permissions were not set to $PERMISSIONS"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
@@ -48,7 +49,7 @@ apply() {
     if [ "$FNRET" != 0 ]; then
         info "$FILE does not exist"
         touch "$FILE"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -63,6 +64,7 @@ apply() {
             info "fixing $FILE permissions to $PERMISSIONS"
             chmod 0"$PERMISSIONS" "$FILE"
         fi
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/5.1.3_cron_hourly_perm_ownership.sh

@@ -27,7 +27,7 @@ audit() {
     does_file_exist "$FILE"
     if [ "$FNRET" != 0 ]; then
         crit "$FILE does not exist"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -40,6 +40,7 @@ audit() {
         else
             crit "$FILE permissions were not set to $PERMISSIONS"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
@@ -48,7 +49,7 @@ apply() {
     if [ "$FNRET" != 0 ]; then
         info "$FILE does not exist"
         touch "$FILE"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -63,6 +64,7 @@ apply() {
             info "fixing $FILE permissions to $PERMISSIONS"
             chmod 0"$PERMISSIONS" "$FILE"
         fi
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/5.1.4_cron_daily_perm_ownership.sh

@@ -27,7 +27,7 @@ audit() {
     does_file_exist "$FILE"
     if [ "$FNRET" != 0 ]; then
         crit "$FILE does not exist"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -40,6 +40,7 @@ audit() {
         else
             crit "$FILE permissions were not set to $PERMISSIONS"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
@@ -48,7 +49,7 @@ apply() {
     if [ "$FNRET" != 0 ]; then
         info "$FILE does not exist"
         touch "$FILE"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -63,6 +64,7 @@ apply() {
             info "fixing $FILE permissions to $PERMISSIONS"
             chmod 0"$PERMISSIONS" "$FILE"
         fi
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/5.1.5_cron_weekly_perm_ownership.sh

@@ -27,7 +27,7 @@ audit() {
     does_file_exist "$FILE"
     if [ "$FNRET" != 0 ]; then
         crit "$FILE does not exist"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -40,6 +40,7 @@ audit() {
         else
             crit "$FILE permissions were not set to $PERMISSIONS"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
@@ -48,7 +49,7 @@ apply() {
     if [ "$FNRET" != 0 ]; then
         info "$FILE does not exist"
         touch "$FILE"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -63,6 +64,7 @@ apply() {
             info "fixing $FILE permissions to $PERMISSIONS"
             chmod 0"$PERMISSIONS" "$FILE"
         fi
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/5.1.6_cron_monthly_perm_ownership.sh

@@ -27,7 +27,7 @@ audit() {
     does_file_exist "$FILE"
     if [ "$FNRET" != 0 ]; then
         crit "$FILE does not exist"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -40,6 +40,7 @@ audit() {
         else
             crit "$FILE permissions were not set to $PERMISSIONS"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
@@ -48,7 +49,7 @@ apply() {
     if [ "$FNRET" != 0 ]; then
         info "$FILE does not exist"
         touch "$FILE"
-    fi
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -63,6 +64,7 @@ apply() {
             info "fixing $FILE permissions to $PERMISSIONS"
             chmod 0"$PERMISSIONS" "$FILE"
         fi
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/5.2.10_disable_root_login.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^$SSH_PARAM"
+            does_pattern_exist_in_file_nocase "$FILE" "^$SSH_PARAM"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.11_disable_sshd_permitemptypasswords.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.12_disable_sshd_setenv.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.13_sshd_ciphers.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.16_sshd_idle_timeout.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.17_sshd_login_grace_time.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file $FILE "$PATTERN"
+            does_pattern_exist_in_file_nocase $FILE "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.18_sshd_limit_access.sh

@@ -34,7 +34,7 @@ audit() {
             # shellcheck disable=SC2001
             SSH_VALUE=$(sed "s/'//g" <<<"$SSH_VALUE")
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -59,12 +59,12 @@ apply() {
         # shellcheck disable=SC2001
         SSH_VALUE=$(sed "s/'//g" <<<"$SSH_VALUE")
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.1_sshd_conf_perm_ownership.sh

@@ -17,6 +17,7 @@ HARDENING_LEVEL=1
 # shellcheck disable=2034
 DESCRIPTION="Checking permissions and ownership to root 600 for sshd_config."
 
+PACKAGE='openssh-server'
 FILE='/etc/ssh/sshd_config'
 PERMISSIONS='600'
 USER='root'
@@ -24,6 +25,10 @@ GROUP='root'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" != 0 ]; then
+        ok "$PACKAGE is not installed!"
+    else
         has_file_correct_ownership "$FILE" "$USER" "$GROUP"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct ownership"
@@ -36,10 +41,15 @@ audit() {
         else
             crit "$FILE permissions were not set to $PERMISSIONS"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
 apply() {
+    is_pkg_installed "$PACKAGE"
+    if [ "$FNRET" != 0 ]; then
+        ok "$PACKAGE is not installed"
+    else
         does_file_exist "$FILE"
         if [ "$FNRET" != 0 ]; then
             info "$FILE does not exist"
@@ -59,6 +69,7 @@ apply() {
             info "fixing $FILE permissions to $PERMISSIONS"
             chmod 0"$PERMISSIONS" "$FILE"
         fi
+    fi
 }
 
 # This function will check config parameters required

bin/hardening/5.2.20_enable_ssh_pam.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file $FILE "$PATTERN"
+            does_pattern_exist_in_file_nocase $FILE "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.21_disable_ssh_allow_tcp_forwarding.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file $FILE "$PATTERN"
+            does_pattern_exist_in_file_nocase $FILE "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.22_configure_ssh_max_startups.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file $FILE "$PATTERN"
+            does_pattern_exist_in_file_nocase $FILE "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.23_limit_ssh_max_sessions.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file $FILE "$PATTERN"
+            does_pattern_exist_in_file_nocase $FILE "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.4_sshd_protocol.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.5_sshd_loglevel.sh

@@ -61,7 +61,7 @@ apply() {
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.6_disable_x11_forwarding.sh

@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.7_sshd_maxauthtries.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.8_enable_sshd_ignorerhosts.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/5.2.9_disable_sshd_hostbasedauthentication.sh

@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
             SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
             PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-            does_pattern_exist_in_file "$FILE" "$PATTERN"
+            does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
             if [ "$FNRET" = 0 ]; then
                 ok "$PATTERN is present in $FILE"
             else
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(echo "$SSH_OPTION" | cut -d= -f 1)
         SSH_VALUE=$(echo "$SSH_OPTION" | cut -d= -f 2)
         PATTERN="^${SSH_PARAM}[[:space:]]*$SSH_VALUE"
-        does_pattern_exist_in_file "$FILE" "$PATTERN"
+        does_pattern_exist_in_file_nocase "$FILE" "$PATTERN"
         if [ "$FNRET" = 0 ]; then
             ok "$PATTERN is present in $FILE"
         else
             warn "$PATTERN is not present in $FILE, adding it"
-            does_pattern_exist_in_file "$FILE" "^${SSH_PARAM}"
+            does_pattern_exist_in_file_nocase "$FILE" "^${SSH_PARAM}"
             if [ "$FNRET" != 0 ]; then
                 add_end_of_file "$FILE" "$SSH_PARAM $SSH_VALUE"
             else

bin/hardening/99.3.3.4_hosts_allow_permissions.sh

@@ -24,6 +24,11 @@ GROUP='root'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    does_file_exist "$FILE"
+    if [ "$FNRET" != 0 ]; then
+        crit "$FILE does not exist"
+    else
+        ok "$FILE exist"
         has_file_correct_permissions "$FILE" "$PERMISSIONS"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct permissions"
@@ -36,10 +41,19 @@ audit() {
         else
             crit "$FILE ownership was not set to $USER:$GROUP"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
 apply() {
+    does_file_exist "$FILE"
+    if [ "$FNRET" != 0 ]; then
+        warn "$FILE does not exist"
+        touch "$FILE"
+        warn "You may want to fill it with allowed networks"
+    else
+        ok "$FILE exist"
+    fi
     has_file_correct_permissions "$FILE" "$PERMISSIONS"
     if [ "$FNRET" = 0 ]; then
         ok "$FILE has correct permissions"

bin/hardening/99.3.3.5_hosts_deny_permissions.sh

@@ -24,6 +24,11 @@ GROUP='root'
 
 # This function will be called if the script status is on enabled / audit mode
 audit() {
+    does_file_exist "$FILE"
+    if [ "$FNRET" != 0 ]; then
+        crit "$FILE does not exist"
+    else
+        ok "$FILE exist"
         has_file_correct_permissions "$FILE" "$PERMISSIONS"
         if [ "$FNRET" = 0 ]; then
             ok "$FILE has correct permissions"
@@ -36,10 +41,19 @@ audit() {
         else
             crit "$FILE ownership was not set to $USER:$GROUP"
         fi
+    fi
 }
 
 # This function will be called if the script status is on enabled mode
 apply() {
+    does_file_exist "$FILE"
+    if [ "$FNRET" != 0 ]; then
+        warn "$FILE does not exist"
+        touch "$FILE"
+        warn "You may want to fill it with allowed networks"
+    else
+        ok "$FILE exist"
+    fi
     has_file_correct_permissions "$FILE" "$PERMISSIONS"
     if [ "$FNRET" = 0 ]; then
         ok "$FILE has correct permissions"

debian/changelog

@@ -1,3 +1,19 @@
+cis-hardening (3.1-2) unstable; urgency=medium
+
+  * Fix case for sshd pattern searching
+
+ -- Thibault Ayanides <thibault.ayanides@ovhcloud.com>  Fri, 02 Apr 2021 09:16:16 +0200
+
+cis-hardening (3.1-1) unstable; urgency=medium
+
+  * Various mispeling fixes
+  * Fix div function that causes a display bug when runnin test with --only
+  * Fix 4.1.1.4 bad pattern bug
+  * Fix 5.4.2.2
+  * Various verification that package is installed or file exist before running check (openssh, apparmor, crontab)
+
+ -- Thibault Ayanides <thibault.ayanides@ovhcloud.com>  Thu, 25 Mar 2021 14:59:49 +0100
+
 cis-hardening (3.1-0) unstable; urgency=medium
 
   * Add missing HARDENING_LEVEL var for some checks

lib/common.sh

@@ -121,6 +121,10 @@ div() {
     local _d=${3:-2}
     local _n=0000000000
     _n=${_n:0:$_d}
+    if (($1 == 0)); then
+        echo "0"
+        return
+    fi
     if (($2 == 0)); then
         echo "N.A"
         return

tests/hardening/99.5.4.5.2_acc_shadow_sha512.sh

@@ -22,7 +22,7 @@ test_audit() {
     run lockedpasswd /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
 
     mv /tmp/shadow.bak /etc/shadow
-    chpasswd <<EOF
+    chpasswd -c SHA512 <<EOF
 secaudit:mypassword
 EOF
     describe Pass: Found properly hashed password