dissertation-2-code/config/builder.go
Jake Hillion 55cd39f2b3
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continuous-integration/drone/push Build is passing
refactoring
2020-11-01 16:50:02 +00:00

74 lines
1.2 KiB
Go

package config
import (
"fmt"
"mpbl3p/proxy"
"mpbl3p/tcp"
"mpbl3p/tun"
)
// TODO: Delete this code as soon as an alternative is available
type UselessMac struct{}
func (UselessMac) CodeLength() int {
return 0
}
func (UselessMac) Generate([]byte) []byte {
return nil
}
func (u UselessMac) Verify([]byte, []byte) error {
return nil
}
func (c Configuration) Build() (*proxy.Proxy, error) {
p := proxy.NewProxy(16)
p.Generator = UselessMac{}
ss, err := tun.NewTun("nc%d", 1500)
if err != nil {
return nil, err
}
p.Source = ss
p.Sink = ss
for _, peer := range c.Peers {
switch peer.Method {
case "TCP":
err := buildTcp(p, peer)
if err != nil {
return nil, err
}
}
}
return p, nil
}
func buildTcp(p *proxy.Proxy, peer Peer) error {
if peer.RemoteHost != "" {
f, err := tcp.InitiateFlow(
fmt.Sprintf("%s:", peer.LocalHost),
fmt.Sprintf("%s:%d", peer.RemoteHost, peer.RemotePort),
)
p.AddConsumer(&f)
p.AddProducer(&f, UselessMac{})
if err != nil {
return err
}
return nil
}
err := tcp.NewListener(p, fmt.Sprintf("%s:%d", peer.LocalHost, peer.LocalPort), UselessMac{})
if err != nil {
return err
}
return nil
}