Bug fix: case-insensitive value match (except for passwords)

bottin.hcl.example

@@ -12,7 +12,7 @@ job "directory" {
     task "server" {
       driver = "docker"
       config {
-        image = "lxpz/bottin_amd64:4"
+        image = "lxpz/bottin_amd64:5"
         readonly_rootfs = true
         port_map {
           ldap_port = 389

read.go

@@ -205,7 +205,7 @@ func applyFilter(entry Entry, filter message.Filter) (bool, error) {
 		for entry_desc, value := range entry {
 			if strings.EqualFold(entry_desc, desc) {
 				for _, val := range value {
-					if val == target {
+					if valueMatch(entry_desc, val, target) {
 						return true, nil
 					}
 				}

util.go

@@ -138,3 +138,11 @@ func genUuid() string {
 	}
 	return uuid.String()
 }
+
+func valueMatch(attr, val1, val2 string) bool {
+	if strings.EqualFold(attr, ATTR_USERPASSWORD) {
+		return val1 == val2
+	} else {
+		return strings.EqualFold(val1, val2)
+	}
+}