mirror of
https://github.com/e1732a364fed/v2ray_simple.git
synced 2025-10-05 16:56:53 +08:00
113 lines
2.8 KiB
Go
113 lines
2.8 KiB
Go
package netLayer
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import (
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"errors"
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"fmt"
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"io"
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"log"
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"net"
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"runtime"
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"github.com/e1732a364fed/v2ray_simple/utils"
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"go.uber.org/zap"
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)
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var (
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// 如果机器没有ipv6地址, 就无法联通ipv6, 此时可以在dial时更快拒绝ipv6地址,
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// 避免打印过多错误输出.
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//weKnowThatWeDontHaveIPV6 bool
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ErrMachineCantConnectToIpv6 = errors.New("ErrMachineCanConnectToIpv6")
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)
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// 做一些网络层的资料准备工作, 可以优化本包其它函数的调用。
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func PrepareInterfaces() {
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//weKnowThatWeDontHaveIPV6 = !HasIpv6Interface()
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}
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func GetDeviceNameIndex(idx int) string {
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intf, err := net.InterfaceByIndex(idx)
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if err != nil {
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utils.Error(err.Error())
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}
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return intf.Name
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}
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func HasIpv6Interface() bool {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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if ce := utils.CanLogErr("call net.InterfaceAddrs failed"); ce != nil {
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ce.Write(zap.Error(err))
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} else {
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log.Println("call net.InterfaceAddrs failed", err)
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}
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return false
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}
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for _, address := range addrs {
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if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() && !ipnet.IP.IsPrivate() && !ipnet.IP.IsLinkLocalUnicast() {
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// IsLinkLocalUnicast: something starts with fe80:
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// According to godoc, If ip is not an IPv4 address, To4 returns nil.
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// This means it's ipv6
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if ipnet.IP.To4() == nil {
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if ce := utils.CanLogDebug("Has Ipv6Interface!"); ce != nil {
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ce.Write()
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} else {
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log.Println("Has Ipv6Interface!")
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}
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return true
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}
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}
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}
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return false
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}
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func PrintAllInterface(w io.Writer) {
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ifs, err := net.Interfaces()
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if err != nil {
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fmt.Fprintln(w, err)
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return
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}
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for _, thisIf := range ifs {
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ads, _ := thisIf.Addrs()
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fmt.Fprintln(w, thisIf.Name, ads)
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}
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}
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var GetSystemDNS = func() (result []string) {
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if ce := utils.CanLogErr("GetSystemDNS: not implemented"); ce != nil {
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ce.Write(zap.String("platform", runtime.GOOS))
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}
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return
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}
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var SetSystemDNS = func(dns string) {
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if ce := utils.CanLogErr("SetSystemDNS: not implemented"); ce != nil {
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ce.Write(zap.String("platform", runtime.GOOS))
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}
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}
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var ToggleSystemProxy = func(isSocks5 bool, addr, port string, enable bool) {
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if ce := utils.CanLogErr("ToggleSystemProxy: not implemented"); ce != nil {
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ce.Write(zap.String("platform", runtime.GOOS))
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}
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//linux 中，就是设置环境变量 HTTP_PROXY, HTTPS_PROXY, 就算在ubuntu的设置界面里设置，其实也是配置的这两个变量
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// 它还同时设置了小写的 http_proxy https_proxy
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//https://linuxstans.com/how-to-set-up-proxy-ubuntu/
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//https://github.com/nityanandagohain/proxy_configuration/blob/master/proxy.py
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}
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var GetSystemProxyState = func(isSocks5 bool) (ok, enabled bool, addr, port string) {
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if ce := utils.CanLogErr("GetSystemProxyState: not implemented"); ce != nil {
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ce.Write(zap.String("platform", runtime.GOOS))
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}
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return
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}
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