71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package main
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import (
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"fmt"
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"net"
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"os"
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"os/signal"
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"strings"
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"syscall"
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)
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var GlobalDebug = false
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func simpleRespond(iface string, filter []*net.IPNet) {
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requests := make(chan *NDRequest, 100)
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defer close(requests)
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go respond(iface, requests, NDP_ADV, filter)
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go listen(iface, requests, NDP_SOL)
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sigCh := make(chan os.Signal)
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signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
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select {
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case <-sigCh:
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fmt.Println("Exit")
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os.Exit(0)
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}
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}
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func proxy(iface1, iface2 string) {
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req_iface1_sol_iface2 := make(chan *NDRequest, 100)
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defer close(req_iface1_sol_iface2)
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go listen(iface1, req_iface1_sol_iface2, NDP_SOL)
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go respond(iface2, req_iface1_sol_iface2, NDP_SOL, nil)
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req_iface2_sol_iface1 := make(chan *NDRequest, 100)
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defer close(req_iface2_sol_iface1)
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go listen(iface2, req_iface2_sol_iface1, NDP_SOL)
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go respond(iface1, req_iface2_sol_iface1, NDP_SOL, nil)
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req_iface1_adv_iface2 := make(chan *NDRequest, 100)
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defer close(req_iface1_adv_iface2)
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go listen(iface1, req_iface1_adv_iface2, NDP_ADV)
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go respond(iface2, req_iface1_adv_iface2, NDP_ADV, nil)
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req_iface2_adv_iface1 := make(chan *NDRequest, 100)
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defer close(req_iface2_adv_iface1)
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go listen(iface2, req_iface2_adv_iface1, NDP_ADV)
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go respond(iface1, req_iface2_adv_iface1, NDP_ADV, nil)
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sigCh := make(chan os.Signal)
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signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
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select {
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case <-sigCh:
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fmt.Println("Exit")
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os.Exit(0)
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}
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}
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func parseFilter(f string) []*net.IPNet {
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s := strings.Split(f, ";")
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result := make([]*net.IPNet, len(s))
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for i, n := range s {
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_, cidr, err := net.ParseCIDR(n)
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if err != nil {
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panic(err)
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}
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result[i] = cidr
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}
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return result
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}
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