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package network
import (
"XProxy/cmd/common"
log "github.com/sirupsen/logrus"
"regexp"
)
func getV4Cidr() []string {
var v4Cidr []string
_, output := common.RunCommand("ip", "-4", "addr")
for _, temp := range regexp.MustCompile(`inet (\S+)`).FindAllStringSubmatch(output, -1) {
v4Cidr = append(v4Cidr, temp[1])
}
return v4Cidr
}
func getV6Cidr() []string {
var v6Cidr []string
_, output := common.RunCommand("ip", "-6", "addr")
for _, temp := range regexp.MustCompile(`inet6 (\S+)`).FindAllStringSubmatch(output, -1) {
v6Cidr = append(v6Cidr, temp[1])
}
return v6Cidr
}
func flushNetwork() {
log.Info("Flush system IP configure")
common.RunCommand("ip", "link", "set", "eth0", "down")
common.RunCommand("ip", "-4", "addr", "flush", "dev", "eth0")
common.RunCommand("ip", "-6", "addr", "flush", "dev", "eth0")
common.RunCommand("ip", "link", "set", "eth0", "down")
}
func loadV4Network(v4 Config) {
log.Info("Enabled IPv4 forward")
common.RunCommand("sysctl", "-w", "net.ipv4.ip_forward=1")
log.Info("Setting up system IPv4 configure")
if v4.Address != "" {
common.RunCommand("ip", "-4", "addr", "add", v4.Address, "dev", "eth0")
}
if v4.Gateway != "" {
common.RunCommand("ip", "-4", "route", "add", "default", "via", v4.Gateway)
}
}
func loadV6Network(v6 Config) {
log.Info("Enabled IPv6 forward")
common.RunCommand("sysctl", "-w", "net.ipv6.conf.all.forwarding=1")
log.Info("Setting up system IPv6 configure")
if v6.Address != "" {
common.RunCommand("ip", "-6", "addr", "add", v6.Address, "dev", "eth0")
}
if v6.Gateway != "" {
common.RunCommand("ip", "-6", "route", "add", "default", "via", v6.Gateway)
}
}