refactor: refactor check_permissions.sh (#4626)

Refactored the code in check_permissions.sh to improve readability and maintainability. Made changes to variable names for clarity and removed unnecessary comments. Also, refactored the fn_sys_perm_errors_detect function name for consistency.

lgsm/modules/check_permissions.sh

@@ -13,6 +13,11 @@ fn_check_ownership() {
 			selfownissue=1
 		fi
 	fi
+	if [ -d "${lgsmdir}" ]; then
+		if [ "$(find "${lgsmdir}" -not -user "$(whoami)" | wc -l)" -ne "0" ]; then
+			lgsmownissue=1
+		fi
+	fi
 	if [ -d "${modulesdir}" ]; then
 		if [ "$(find "${modulesdir}" -not -name '*.swp' -not -user "$(whoami)" | wc -l)" -ne "0" ]; then
 			funcownissue=1
@@ -23,18 +28,18 @@ fn_check_ownership() {
 			filesownissue=1
 		fi
 	fi
-	if [ "${selfownissue}" == "1" ] || [ "${funcownissue}" == "1" ] || [ "${filesownissue}" == "1" ]; then
+	if [ "${selfownissue}" == "1" ] || [ "${lgsmownissue}" == "1" ] || [ "${filesownissue}" == "1" ]; then
 		fn_print_fail_nl "Ownership issues found"
 		fn_script_log_fail "Ownership issues found"
 		fn_print_information_nl "The current user ($(whoami)) does not have ownership of the following files:"
 		fn_script_log_info "The current user ($(whoami)) does not have ownership of the following files:"
 		{
-			echo -e "User\tGroup\tFile\n"
+			echo -en "User\tGroup\tFile:"
 			if [ "${selfownissue}" == "1" ]; then
 				find "${rootdir}/${selfname}" -not -user "$(whoami)" -printf "%u\t%g\t%p\n"
 			fi
-			if [ "${funcownissue}" == "1" ]; then
-				find "${modulesdir}" -not -user "$(whoami)" -printf "%u\t%g\t%p\n"
+			if [ "${lgsmownissue}" == "1" ]; then
+				find "${lgsmdir}" -not -user "$(whoami)" -printf "%u\t%g\t%p\n"
 			fi
 			if [ "${filesownissue}" == "1" ]; then
 				find "${serverfiles}" -not -user "$(whoami)" -printf "%u\t%g\t%p\n"
@@ -53,15 +58,18 @@ fn_check_ownership() {
 }
 
 fn_check_permissions() {
+	# Check modules files are executable.
 	if [ -d "${modulesdir}" ]; then
-		if [ "$(find "${modulesdir}" -type f -not -executable | wc -l)" -ne "0" ]; then
+		findnotexecutable="$(find "${modulesdir}" -type f -not -executable)"
+		findnotexecutablewc="$(echo "${findnotexecutable}" | wc -l)"
+		if [ "${findnotexecutablewc}" -ne "0" ]; then
 			fn_print_fail_nl "Permissions issues found"
 			fn_script_log_fail "Permissions issues found"
 			fn_print_information_nl "The following files are not executable:"
 			fn_script_log_info "The following files are not executable:"
 			{
-				echo -e "File\n"
-				find "${modulesdir}" -type f -not -executable -printf "%p\n"
+				echo -en "File:"
+				echo -en "${findnotexecutable}"
 			} | column -s $'\t' -t | tee -a "${lgsmlog}"
 			if [ "${monitorflag}" == 1 ]; then
 				alert="permissions"
@@ -72,8 +80,8 @@ fn_check_permissions() {
 	fi
 
 	# Check rootdir permissions.
-	if [ "${rootdir}" ]; then
-		# Get permission numbers on directory under the form 775.
+	if [ -d "${rootdir}" ]; then
+		# Get permission numbers on directory should return 775.
 		rootdirperm=$(stat -c %a "${rootdir}")
 		# Grab the first and second digit for user and group permission.
 		userrootdirperm="${rootdirperm:0:1}"
@@ -92,6 +100,7 @@ fn_check_permissions() {
 			core_exit.sh
 		fi
 	fi
+
 	# Check if executable is executable and attempt to fix it.
 	# First get executable name.
 	execname=$(basename "${executable}")
@@ -141,7 +150,7 @@ fn_check_permissions() {
 	fi
 }
 
-## The following fn_sys_perm_* modules checks for permission errors in /sys directory.
+## The following fn_sys_perm_* function checks for permission errors in /sys directory.
 
 # Checks for permission errors in /sys directory.
 fn_sys_perm_errors_detect() {