From d110a2aa1948d8e17d3b3e79db2ece81010d33c9 Mon Sep 17 00:00:00 2001
From: Thibault Ayanides <thibault.ayanides@ovhcloud.com>
Date: Fri, 2 Apr 2021 08:56:37 +0200
Subject: [PATCH] Ignore case for sshd conf

fix #85
---
 bin/hardening/5.2.10_disable_root_login.sh                  | 6 +++---
 bin/hardening/5.2.11_disable_sshd_permitemptypasswords.sh   | 6 +++---
 bin/hardening/5.2.12_disable_sshd_setenv.sh                 | 6 +++---
 bin/hardening/5.2.13_sshd_ciphers.sh                        | 6 +++---
 bin/hardening/5.2.16_sshd_idle_timeout.sh                   | 6 +++---
 bin/hardening/5.2.17_sshd_login_grace_time.sh               | 6 +++---
 bin/hardening/5.2.18_sshd_limit_access.sh                   | 6 +++---
 bin/hardening/5.2.20_enable_ssh_pam.sh                      | 6 +++---
 bin/hardening/5.2.21_disable_ssh_allow_tcp_forwarding.sh    | 6 +++---
 bin/hardening/5.2.22_configure_ssh_max_startups.sh          | 6 +++---
 bin/hardening/5.2.23_limit_ssh_max_sessions.sh              | 6 +++---
 bin/hardening/5.2.4_sshd_protocol.sh                        | 6 +++---
 bin/hardening/5.2.5_sshd_loglevel.sh                        | 2 +-
 bin/hardening/5.2.6_disable_x11_forwarding.sh               | 4 ++--
 bin/hardening/5.2.7_sshd_maxauthtries.sh                    | 6 +++---
 bin/hardening/5.2.8_enable_sshd_ignorerhosts.sh             | 6 +++---
 bin/hardening/5.2.9_disable_sshd_hostbasedauthentication.sh | 6 +++---
 17 files changed, 48 insertions(+), 48 deletions(-)

diff --git a/bin/hardening/5.2.10_disable_root_login.sh b/bin/hardening/5.2.10_disable_root_login.sh
index bc2f2af..1972124 100755
--- a/bin/hardening/5.2.10_disable_root_login.sh
+++ b/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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.11_disable_sshd_permitemptypasswords.sh b/bin/hardening/5.2.11_disable_sshd_permitemptypasswords.sh
index 1200613..22d4297 100755
--- a/bin/hardening/5.2.11_disable_sshd_permitemptypasswords.sh
+++ b/bin/hardening/5.2.11_disable_sshd_permitemptypasswords.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.12_disable_sshd_setenv.sh b/bin/hardening/5.2.12_disable_sshd_setenv.sh
index 09c1066..e6be4d1 100755
--- a/bin/hardening/5.2.12_disable_sshd_setenv.sh
+++ b/bin/hardening/5.2.12_disable_sshd_setenv.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.13_sshd_ciphers.sh b/bin/hardening/5.2.13_sshd_ciphers.sh
index cdfb18e..81447d5 100755
--- a/bin/hardening/5.2.13_sshd_ciphers.sh
+++ b/bin/hardening/5.2.13_sshd_ciphers.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.16_sshd_idle_timeout.sh b/bin/hardening/5.2.16_sshd_idle_timeout.sh
index d6c82da..93b7ca2 100755
--- a/bin/hardening/5.2.16_sshd_idle_timeout.sh
+++ b/bin/hardening/5.2.16_sshd_idle_timeout.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.17_sshd_login_grace_time.sh b/bin/hardening/5.2.17_sshd_login_grace_time.sh
index 6dada4e..4d698bc 100755
--- a/bin/hardening/5.2.17_sshd_login_grace_time.sh
+++ b/bin/hardening/5.2.17_sshd_login_grace_time.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.18_sshd_limit_access.sh b/bin/hardening/5.2.18_sshd_limit_access.sh
index 7a1d04d..1a5916b 100755
--- a/bin/hardening/5.2.18_sshd_limit_access.sh
+++ b/bin/hardening/5.2.18_sshd_limit_access.sh
@@ -34,7 +34,7 @@ audit() {
             # shellcheck disable=SC2001
             SSH_VALUE=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.20_enable_ssh_pam.sh b/bin/hardening/5.2.20_enable_ssh_pam.sh
index 9de1523..1ddf034 100755
--- a/bin/hardening/5.2.20_enable_ssh_pam.sh
+++ b/bin/hardening/5.2.20_enable_ssh_pam.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.21_disable_ssh_allow_tcp_forwarding.sh b/bin/hardening/5.2.21_disable_ssh_allow_tcp_forwarding.sh
index 5eae6e8..0668724 100755
--- a/bin/hardening/5.2.21_disable_ssh_allow_tcp_forwarding.sh
+++ b/bin/hardening/5.2.21_disable_ssh_allow_tcp_forwarding.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.22_configure_ssh_max_startups.sh b/bin/hardening/5.2.22_configure_ssh_max_startups.sh
index 527a53b..2f45d8d 100755
--- a/bin/hardening/5.2.22_configure_ssh_max_startups.sh
+++ b/bin/hardening/5.2.22_configure_ssh_max_startups.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.23_limit_ssh_max_sessions.sh b/bin/hardening/5.2.23_limit_ssh_max_sessions.sh
index 16ff59a..ae18ac1 100755
--- a/bin/hardening/5.2.23_limit_ssh_max_sessions.sh
+++ b/bin/hardening/5.2.23_limit_ssh_max_sessions.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.4_sshd_protocol.sh b/bin/hardening/5.2.4_sshd_protocol.sh
index c34b3ac..03a8fda 100755
--- a/bin/hardening/5.2.4_sshd_protocol.sh
+++ b/bin/hardening/5.2.4_sshd_protocol.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.5_sshd_loglevel.sh b/bin/hardening/5.2.5_sshd_loglevel.sh
index e45280b..ee47d8f 100755
--- a/bin/hardening/5.2.5_sshd_loglevel.sh
+++ b/bin/hardening/5.2.5_sshd_loglevel.sh
@@ -61,7 +61,7 @@ apply() {
             ok "$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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.6_disable_x11_forwarding.sh b/bin/hardening/5.2.6_disable_x11_forwarding.sh
index 8751ed6..4cf04ad 100755
--- a/bin/hardening/5.2.6_disable_x11_forwarding.sh
+++ b/bin/hardening/5.2.6_disable_x11_forwarding.sh
@@ -55,12 +55,12 @@ apply() {
         SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.7_sshd_maxauthtries.sh b/bin/hardening/5.2.7_sshd_maxauthtries.sh
index 5f95af7..3dd4f6d 100755
--- a/bin/hardening/5.2.7_sshd_maxauthtries.sh
+++ b/bin/hardening/5.2.7_sshd_maxauthtries.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.8_enable_sshd_ignorerhosts.sh b/bin/hardening/5.2.8_enable_sshd_ignorerhosts.sh
index db7a7a1..bd92396 100755
--- a/bin/hardening/5.2.8_enable_sshd_ignorerhosts.sh
+++ b/bin/hardening/5.2.8_enable_sshd_ignorerhosts.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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 $SSH_VALUE"
             else
diff --git a/bin/hardening/5.2.9_disable_sshd_hostbasedauthentication.sh b/bin/hardening/5.2.9_disable_sshd_hostbasedauthentication.sh
index 42a26b4..0ef03a4 100755
--- a/bin/hardening/5.2.9_disable_sshd_hostbasedauthentication.sh
+++ b/bin/hardening/5.2.9_disable_sshd_hostbasedauthentication.sh
@@ -32,7 +32,7 @@ audit() {
             SSH_PARAM=$(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