mirror of https://github.com/v2ray/v2ray-core
				
				
				
			
		
			
				
	
	
		
			70 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
| // +build json
 | |
| 
 | |
| package net
 | |
| 
 | |
| import (
 | |
| 	"encoding/json"
 | |
| 	"errors"
 | |
| 	"strconv"
 | |
| 	"strings"
 | |
| 
 | |
| 	"github.com/v2ray/v2ray-core/common/log"
 | |
| 	"github.com/v2ray/v2ray-core/common/serial"
 | |
| )
 | |
| 
 | |
| var (
 | |
| 	InvalidPortRange = errors.New("Invalid port range.")
 | |
| )
 | |
| 
 | |
| func (this *PortRange) UnmarshalJSON(data []byte) error {
 | |
| 	var maybeint int
 | |
| 	err := json.Unmarshal(data, &maybeint)
 | |
| 	if err == nil {
 | |
| 		if maybeint <= 0 || maybeint >= 65535 {
 | |
| 			log.Error("Invalid port [", serial.BytesLiteral(data), "]")
 | |
| 			return InvalidPortRange
 | |
| 		}
 | |
| 		this.From = Port(maybeint)
 | |
| 		this.To = Port(maybeint)
 | |
| 		return nil
 | |
| 	}
 | |
| 
 | |
| 	var maybestring string
 | |
| 	err = json.Unmarshal(data, &maybestring)
 | |
| 	if err == nil {
 | |
| 		pair := strings.SplitN(maybestring, "-", 2)
 | |
| 		if len(pair) == 1 {
 | |
| 			value, err := strconv.Atoi(pair[0])
 | |
| 			if err != nil || value <= 0 || value >= 65535 {
 | |
| 				log.Error("Invalid from port ", pair[0])
 | |
| 				return InvalidPortRange
 | |
| 			}
 | |
| 			this.From = Port(value)
 | |
| 			this.To = Port(value)
 | |
| 			return nil
 | |
| 		} else if len(pair) == 2 {
 | |
| 			from, err := strconv.Atoi(pair[0])
 | |
| 			if err != nil || from <= 0 || from >= 65535 {
 | |
| 				log.Error("Invalid from port ", pair[0])
 | |
| 				return InvalidPortRange
 | |
| 			}
 | |
| 			this.From = Port(from)
 | |
| 
 | |
| 			to, err := strconv.Atoi(pair[1])
 | |
| 			if err != nil || to <= 0 || to >= 65535 {
 | |
| 				log.Error("Invalid to port ", pair[1])
 | |
| 				return InvalidPortRange
 | |
| 			}
 | |
| 			this.To = Port(to)
 | |
| 
 | |
| 			if this.From > this.To {
 | |
| 				log.Error("Invalid port range ", this.From, " -> ", this.To)
 | |
| 				return InvalidPortRange
 | |
| 			}
 | |
| 			return nil
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return InvalidPortRange
 | |
| }
 |