home-assistant: fix ldap provider

hosts/home-assistant/default.nix

@@ -36,23 +36,25 @@
               args =
                 let
                   ldap = config.security.ldap;
+                  sed = "${pkgs.gnused}/bin/sed";
                 in
                 [
                   # https://github.com/bob1de/ldap-auth-sh/blob/master/examples/home-assistant.cfg
                   (pkgs.writeText "config.cfg" /* shell */ ''
-                    ATTRS=${ldap.roleField}
-                    CLIENT=ldapsearch
+                    ATTRS="${ldap.userField}"
+                    CLIENT="ldapsearch"
                     DEBUG=0
                     FILTER="${ldap.groupFilter "home-assistant"}"
+                    NAME_ATTR="${ldap.userField}"
                     SCOPE="base"
-                    SERVER=ldaps://${ldap.domainName}
+                    SERVER="ldaps://${ldap.domainName}"
                     USERDN="uid=$(ldap_dn_escape "$username"),${ldap.userBaseDN}"
                     BASEDN="$USERDN"
 
                     on_auth_success() {
                       # print the meta entries for use in HA
                       if [ ! -z "$NAME_ATTR" ]; then
-                        name=$(echo "$output" | sed -nr "s/^\s*$NAME_ATTR:\s*(.+)\s*\$/\1/Ip")
+                        name=$(echo "$output" | ${sed} -nr "s/^\s*$NAME_ATTR:\s*(.+)\s*\$/\1/Ip")
                         [ -z "$name" ] || echo "name=$name"
                       fi
                     }