Update lock script, add unlock script, minor updates in other scripts

Make sure that lock script reejcts core users
(root/ec2-user/admin/ubuntu)

Unlock script works reverse with also optional check in user_list.txt
for ssh allow/foward group type

Internal:
rename all $user to $username

bin/unlock_user.sh

@@ -0,0 +1,113 @@
+#!/usr/bin/env bash
+
+# disable a user by removing them from the sshallow/sshforward group
+# and move them to the sshreject group
+# Note that call is ./lock_user.sh -t <user 1> <user 2> ...
+# if the -t is not in the first position it will be ignored
+
+# SET TO 1 to TEST [will not move user in groups]
+TEST=0; # no delete, just print
+SSH_GROUP_ADD='';
+while getopts ":ts:" opt; do
+	case "${opt}" in
+		t|test)
+			TEST=1;
+			;;
+		s|sshgroup)
+			if [ -z "${SSH_GROUP_ADD}" ]; then
+				SSH_GROUP_ADD=${OPTARG};
+			fi;
+			;;
+	esac;
+done;
+shift "$((OPTIND-1))"
+
+if [ $(whoami) != "root" ]; then
+	if [ ${TEST} -eq 0 ]; then
+		echo "Script must be run as root user";
+		exit;
+	else
+		echo "!!!! Script must be run as root user !!!!";
+	fi;
+fi;
+
+if [ $# -eq 0 ]; then
+	echo "Must give at least one user name";
+	exit;
+fi;
+
+if [ ! -z "${SSH_GROUP_ADD}" ] && [ "${SSH_GROUP_ADD}" != "allow" ] && [ "${SSH_GROUP_ADD}" != "forward" ]; then
+	echo "sshgroup option can only be 'allow' or 'forward'";
+	exit;
+fi;
+
+BASE_FOLDER=$(dirname $(readlink -f $0))"/";
+# ignore users (root and admin users)
+ignore_users=('root' 'ec2-user' 'ubuntu' 'admin');
+# ssh reject group
+ssh_reject_group="sshreject";
+if [ -z $(cat /etc/group | grep "${ssh_reject_group}:") ]; then
+	echo "Missing ssh reject group: ${ssh_reject_group}";
+	exit;
+fi;
+ssh_allow_group="sshallow";
+ssh_forward_group="sshfoward";
+user_group_tpl="gpasswd -d %s %s\ngpasswd -a %s %s\n";
+
+echo "--------------------->"
+# $1 ... $n
+for username in "$@"; do
+	# skip if there is an option hidden
+	if [[ ${_arg:0:1} = "-" ]]; then
+		continue;
+	fi;
+	# skip ignore users, note that if a user is not in the sshallow list anyway
+	# we skip them too, this is just in case check
+	if [[ " ${ignore_users[*]} " =~ " ${username} " ]]; then
+		echo "[!] User $username is in the ignore user list";
+		continue;
+	fi;
+	# check that user exists in passwd
+	if ! id "${username}" &>/dev/null; then
+		echo "[!] User $username does not exists in /etc/passwd file";
+		continue;
+	fi;
+	# check if already in OK groups
+	if id -nGz "${username}" | grep -qzxF "${ssh_allow_group}"; then
+		echo "[.] User $username already in the ${ssh_allow_group} list";
+		continue;
+	fi;
+	if id -nGz "${username}" | grep -qzxF "${ssh_forward_group}"; then
+		echo "[.] User $username already in the ${ssh_forward_group} list";
+		continue;
+	fi;
+	# try to find user in user_list.txt and get the allow/forward flag from there,
+	# else try to set from option
+	# if not valid use allow
+	ssh_add_group="${SSH_GROUP_ADD}";
+	if [ -z "${SSH_GROUP_ADD}" ] && [ -f "${BASE_FOLDER}${input_file}" ]; then
+		ssh_add_group=$(grep "${username}" "${BASE_FOLDER}${input_file}" | cut -d ";" -f 4 | tr A-Z a-z | tr -d ' ');
+	fi;
+	if [ "${ssh_access_type}" != "allow" ] && [ "${ssh_access_type}" != "forward" ]; then
+		ssh_add_group="allow";
+	fi;
+	ssh_add_group="ssh${ssh_add_group}";
+
+	# check if user is in reject group remove
+	if id -nGz "${username}" | grep -qzxF "${ssh_reject_group}"; then
+		# remove user from ssh group and add to reject groups
+		echo "[*] User $username will be added to ${ssh_add_group}";
+		if [ ${TEST} -eq 1 ]; then
+			printf "${user_group_tpl}" "${username}" "${ssh_reject_group}" "${username}" "${ssh_add_group}";
+		else
+			#gpasswd -d "${username}" "${ssh_reject_group}";
+			#gpasswd -a "${username}" "${ssh_add_group}";
+			echo "NOOP";
+		fi;
+	else
+		# skip not ssh user
+		echo "[?] User $username not in the ssh reject group";
+	fi;
+done;
+
+# __END__