github.com/pwn-term/docker@v0.0.0-20210616085119-6e977cce2565/libnetwork/portmapper/mapper_windows.go (about)

     1  package portmapper
     2  
     3  import (
     4  	"net"
     5  	"sync"
     6  
     7  	"github.com/docker/libnetwork/portallocator"
     8  )
     9  
    10  // PortMapper manages the network address translation
    11  type PortMapper struct {
    12  	bridgeName string
    13  
    14  	// udp:ip:port
    15  	currentMappings map[string]*mapping
    16  	lock            sync.Mutex
    17  
    18  	proxyPath string
    19  
    20  	Allocator *portallocator.PortAllocator
    21  }
    22  
    23  // AppendForwardingTableEntry adds a port mapping to the forwarding table
    24  func (pm *PortMapper) AppendForwardingTableEntry(proto string, sourceIP net.IP, sourcePort int, containerIP string, containerPort int) error {
    25  	return nil
    26  }
    27  
    28  // DeleteForwardingTableEntry removes a port mapping from the forwarding table
    29  func (pm *PortMapper) DeleteForwardingTableEntry(proto string, sourceIP net.IP, sourcePort int, containerIP string, containerPort int) error {
    30  	return nil
    31  }
    32  
    33  // checkIP checks if IP is valid and matching to chain version
    34  func (pm *PortMapper) checkIP(ip net.IP) bool {
    35  	// no IPv6 for port mapper on windows -> only IPv4 valid
    36  	return ip.To4() != nil
    37  }