github.com/Psiphon-Labs/psiphon-tunnel-core@v2.0.28+incompatible/psiphon/common/parameters/portlist.go (about)

     1  /*
     2   * Copyright (c) 2021, Psiphon Inc.
     3   * All rights reserved.
     4   *
     5   * This program is free software: you can redistribute it and/or modify
     6   * it under the terms of the GNU General Public License as published by
     7   * the Free Software Foundation, either version 3 of the License, or
     8   * (at your option) any later version.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package parameters
    21  
    22  import (
    23  	"github.com/Psiphon-Labs/psiphon-tunnel-core/psiphon/common"
    24  	"github.com/Psiphon-Labs/psiphon-tunnel-core/psiphon/common/errors"
    25  	"github.com/Psiphon-Labs/psiphon-tunnel-core/psiphon/common/protocol"
    26  )
    27  
    28  // TunnelProtocolPortLists is a map from tunnel protocol names (or "All") to a
    29  // list of port number ranges.
    30  type TunnelProtocolPortLists map[string]*common.PortList
    31  
    32  // Validate checks that tunnel protocol names are valid.
    33  func (lists TunnelProtocolPortLists) Validate() error {
    34  	for tunnelProtocol, _ := range lists {
    35  		if tunnelProtocol != protocol.TUNNEL_PROTOCOLS_ALL &&
    36  			!common.Contains(protocol.SupportedTunnelProtocols, tunnelProtocol) {
    37  			return errors.TraceNew("invalid tunnel protocol for port list")
    38  		}
    39  	}
    40  	return nil
    41  }