Merge pull request #4057 from jumpserver/dev_ldap

[Update] 添加LDAP USER_QUERY_FIELD字段值为username，解决数据库因大小敏感导致LDAP用户认证首次成功…

apps/jumpserver/settings/auth.py

@@ -18,6 +18,7 @@ AUTH_LDAP_SEARCH_OU = DYNAMIC.AUTH_LDAP_SEARCH_OU
 AUTH_LDAP_SEARCH_FILTER = DYNAMIC.AUTH_LDAP_SEARCH_FILTER
 AUTH_LDAP_START_TLS = DYNAMIC.AUTH_LDAP_START_TLS
 AUTH_LDAP_USER_ATTR_MAP = DYNAMIC.AUTH_LDAP_USER_ATTR_MAP
+AUTH_LDAP_USER_QUERY_FIELD = 'username'
 AUTH_LDAP_GLOBAL_OPTIONS = {
     ldap.OPT_X_TLS_REQUIRE_CERT: ldap.OPT_X_TLS_NEVER,
     ldap.OPT_REFERRALS: CONFIG.AUTH_LDAP_OPTIONS_OPT_REFERRALS