#3791 update LDAP username check (#3906)

8 years ago · ca6cbb95cc
1 changed files with 2 additions and 2 deletions
--- a/modules/auth/ldap/ldap.go
+++ b/modules/auth/ldap/ldap.go
@ -60,7 +60,7 @@ func (ls *Source) sanitizedUserQuery(username string) (string, bool) {
 func (ls *Source) sanitizedUserDN(username string) (string, bool) {
 	// See http://tools.ietf.org/search/rfc4514: "special characters"
 	badCharacters := "\x00()*\\,='\"#+;<>"
-	if strings.ContainsAny(username, badCharacters) {
+	if strings.ContainsAny(username, badCharacters) || strings.HasPrefix(username, " ") || strings.HasSuffix(username, " ") {
 		log.Debug("'%s' contains invalid DN characters. Aborting.", username)
 		return "", false
 	}