start implementing pwquality backend

back_pwquality.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+set -e
+DESTDIR="${DESTDIR:-}"
+PWQUALITY_CONF_FILE="${DESTDIR}/etc/security/pwquality.conf"
+INTERNAL_DIR='/var/lib/linux-infosec-setupper'
+
+_check_argument() {
+	case "$1" in
+	
+	if [[ "$1" == [0-9]* ]]; then
+		return 0
+	else
+		printf $"Argument to %s must be a number" "$2"
+		return 1
+	fi
+}
+
+_mk_pwquality_conf() {
+	local difok=1 \
+	      minlen=8 \
+	      dcredit=0 \
+	      uncredit=0 \
+	      lcredit=0 \
+	      ocredit=0 \
+	      minclass=0 \
+	      maxrepeat=0 \
+	      maxsequence=0 \
+	      maxclassrepeat=0 \
+	      gecoscheck=0 \
+	      dictcheck=1 \
+	      usercheck=1 \
+	      usersubstr=0 \
+	      enforcing=1 \
+	      badwords \
+	      dictpath \
+	      retry=1 \
+	      enforce_for_root=0 \
+	      local_users_only=0
+	while [ -n "$1" ]; do
+		case "$1" in
+			--difok) shift;
+				 _check_argument "$1" "--difok"
+				 ;;
+			--minlen)
+		 esac
+	 done
+ }