1 files changed, 37 insertions, 0 deletions
diff --git a/util.go b/util.go
index 014805c..d7c42d7 100644
--- a/util.go
+++ b/util.go
@@ -3,8 +3,11 @@ package main
 import (
 	"encoding/json"
 	"fmt"
+	"log"
 	"strings"
+	"time"
 
+	uuid "github.com/google/uuid"
 	consul "github.com/hashicorp/consul/api"
 )
 
@@ -101,3 +104,37 @@ func parseDN(dn string) ([]DNComponent, error) {
 	}
 	return ret, nil
 }
+
+func checkRestrictedAttr(attr string) error {
+	RESTRICTED_ATTRS := []string{
+		ATTR_MEMBEROF,
+		ATTR_ENTRYUUID,
+		ATTR_CREATORSNAME,
+		ATTR_CREATETIMESTAMP,
+		ATTR_MODIFIERSNAME,
+		ATTR_MODIFYTIMESTAMP,
+	}
+
+	if strings.EqualFold(attr, ATTR_MEMBEROF) {
+		return fmt.Errorf("memberOf cannot be defined directly, membership must be specified in the group itself")
+	}
+
+	for _, s := range RESTRICTED_ATTRS {
+		if strings.EqualFold(attr, s) {
+			return fmt.Errorf("Attribute %s is restricted and may only be set by the system", s)
+		}
+	}
+	return nil
+}
+
+func genTimestamp() string {
+	return time.Now().Format("20060102150405Z")
+}
+
+func genUuid() string {
+	uuid, err := uuid.NewRandom()
+	if err != nil {
+		log.Panicf("UUID generation error: %s", err)
+	}
+	return uuid.String()
+}