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修订tun auto route代码

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This commit is contained in:
e1732a364fed
2000-01-01 00:00:00 +00:00
parent ed79b22dd3
commit fac3de27d3
3 changed files with 130 additions and 109 deletions
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5
examples/tun.client.toml
View File

@@ -7,7 +7,10 @@
# 对于小白来说，下面的指导太过于高级，难以看懂，因此对于小白来说推荐全自动化的方案。
# 在macos上, 配置路由表还需要在tun设备建立之后才能进行，因为tun设备的名称是无法自定义的
# 在macos上, 需要管理员权限(sudo)运行vs_gui 才能 成功自动创建tun设备
# 需要管理员权限(sudo)运行vs_gui 才能自动修改路由表 或者创建tun设备
# 在windows上，目前的tun实际上由tap执行, 程序不会主动试图创建tap设备
# 而是需要 Tap-windows 虚拟网卡安装好，(Tap-Windows Provider V9 Network adapters)
###############################################################

117
proxy/tun/route_darwin.go
View File

@@ -16,7 +16,6 @@ func init() {
utils.Warn("tun auto route called, but no direct list given. auto route will not run.")
}
var ok = false
params := "-nr -f inet"
out, err := exec.Command("netstat", strings.Split(params, " ")...).Output()
if err != nil {
@@ -25,68 +24,74 @@ func init() {
}
return
}
//log.Println(string(out))
lines := strings.Split(string(out), "\n")
for i, l := range lines {
startLineIndex := -1
fields := strings.Split(string(out), "\n")
for i, l := range fields {
if strings.HasPrefix(l, "Destination") {
if i < len(lines)-1 && strings.HasPrefix(lines[i+1], "default") {
str := utils.StandardizeSpaces(lines[i+1])
lines = strings.Split(str, " ")
//log.Println(lines, len(lines))
if i < len(fields)-1 && strings.HasPrefix(fields[i+1], "default") {
startLineIndex = i + 1
if len(lines) > 1 {
routerIP := lines[1]
if ce := utils.CanLogInfo("auto route: Your router's ip should be"); ce != nil {
ce.Write(zap.String("ip", routerIP))
}
rememberedRouterIP = routerIP
params1 := "delete -host default"
out1, err := exec.Command("route", strings.Split(params1, " ")...).Output()
//这里err只能捕获没有权限运行等错误; 如果路由表修改失败，是不会返回err的
errStep:
if ce := utils.CanLogInfo("auto route delete default"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
if err != nil {
if ce := utils.CanLogErr("auto route failed"); ce != nil {
ce.Write(zap.Error(err))
}
return
}
params1 = "add default -interface " + tunDevName
out1, err = exec.Command("route", strings.Split(params1, " ")...).Output()
if err != nil {
goto errStep
}
if ce := utils.CanLogInfo("auto route add tun"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
for _, v := range directList {
params1 = "add -host " + v + " " + rememberedRouterIP
out1, err = exec.Command("route", strings.Split(params1, " ")...).Output()
if err != nil {
goto errStep
}
if ce := utils.CanLogInfo("auto route add direct"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
}
ok = true
}
}
break
}
}
if !ok {
utils.Warn("auto route failed")
if startLineIndex < 0 {
utils.Warn("auto route failed, parse netstat output failed,1")
return
}
str := utils.StandardizeSpaces(fields[startLineIndex])
fields = strings.Split(str, " ")
if len(fields) <= 1 {
utils.Warn("auto route failed, parse netstat output failed,2")
return
}
routerIP := fields[1]
if ce := utils.CanLogInfo("auto route: Your router's ip should be"); ce != nil {
ce.Write(zap.String("ip", routerIP))
}
rememberedRouterIP = routerIP
params1 := "delete -host default"
out1, err := exec.Command("route", strings.Split(params1, " ")...).Output()
//这里err只能捕获没有权限运行等错误; 如果路由表修改失败，是不会返回err的
checkErrStep:
if ce := utils.CanLogInfo("auto route delete default"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
if err != nil {
if ce := utils.CanLogErr("auto route failed"); ce != nil {
ce.Write(zap.Error(err))
}
return
}
params1 = "add default -interface " + tunDevName
out1, err = exec.Command("route", strings.Split(params1, " ")...).Output()
if err != nil {
goto checkErrStep
}
if ce := utils.CanLogInfo("auto route add tun"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
for _, v := range directList {
params1 = "add -host " + v + " " + rememberedRouterIP
out1, err = exec.Command("route", strings.Split(params1, " ")...).Output()
if err != nil {
goto checkErrStep
}
if ce := utils.CanLogInfo("auto route add direct"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
}
utils.Warn("auto route succeed!")
}
autoRouteDownFunc = func(tunDevName, tunGateway, tunIP string, directList []string) {

117
proxy/tun/route_windows.go
View File

@@ -12,7 +12,6 @@ var rememberedRouterIP string
func init() {
autoRouteFunc = func(tunDevName, tunGateway, tunIP string, directList []string) {
var ok = false
params := "-nr"
out, err := exec.Command("netstat", params).Output()
if err != nil {
@@ -23,65 +22,79 @@ func init() {
}
//log.Println(string(out))
lines := strings.Split(string(out), "\n")
startLineIndex := -1
for i, l := range lines {
if strings.HasPrefix(l, "IPv4 Route Table") {
if i < len(lines)-3 && strings.HasPrefix(lines[i+3], "Network") {
str := utils.StandardizeSpaces(lines[i+4])
fields := strings.Split(str, " ")
if len(fields) > 3 {
routerIP := fields[2]
if ce := utils.CanLogInfo("auto route: Your router's ip should be"); ce != nil {
ce.Write(zap.String("ip", routerIP))
}
rememberedRouterIP = routerIP
params1 := "delete 0.0.0.0 mask 0.0.0.0"
out1, err := exec.Command("route", strings.Split(params1, " ")...).Output()
//这里err只能捕获没有权限运行等错误; 如果路由表修改失败，是不会返回err的
errStep:
if ce := utils.CanLogInfo("auto route delete default"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
if err != nil {
if ce := utils.CanLogErr("auto route failed"); ce != nil {
ce.Write(zap.Error(err))
}
return
}
params1 = "add 0.0.0.0 mask 0.0.0.0 " + tunGateway + " metric 6"
out1, err = exec.Command("route", strings.Split(params1, " ")...).Output()
if err != nil {
goto errStep
}
if ce := utils.CanLogInfo("auto route add tun"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
for _, v := range directList {
params1 = "add " + v + " " + rememberedRouterIP + " metric 5"
out1, err = exec.Command("route", strings.Split(params1, " ")...).Output()
if err != nil {
goto errStep
}
if ce := utils.CanLogInfo("auto route add direct"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
}
ok = true
}
//应该第一行就是默认的路由
startLineIndex = i + 4
}
break
}
}
if !ok {
utils.Warn("auto route failed")
if startLineIndex < 0 {
utils.Warn("auto route failed, parse netstat output failed,1")
return
}
str := utils.StandardizeSpaces(lines[startLineIndex])
fields := strings.Split(str, " ")
if len(fields) <= 3 {
utils.Warn("auto route failed, parse netstat output failed,2")
return
}
routerIP := fields[2]
//为了简单起见，只认为192开头的是我们的本地路由地址;
if routerIP == "On-link" || !strings.HasPrefix(routerIP, "192") {
utils.Warn("auto route failed, routerIP parse failed, got " + routerIP)
return
}
if ce := utils.CanLogInfo("auto route: Your router's ip should be"); ce != nil {
ce.Write(zap.String("ip", routerIP))
}
rememberedRouterIP = routerIP
params1 := "delete 0.0.0.0 mask 0.0.0.0"
out1, err := exec.Command("route", strings.Split(params1, " ")...).Output()
//这里err只能捕获没有权限运行等错误; 如果路由表修改失败，是不会返回err的
checkErrStep:
if ce := utils.CanLogInfo("auto route delete default"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
if err != nil {
if ce := utils.CanLogErr("auto route failed"); ce != nil {
ce.Write(zap.Error(err))
}
return
}
params1 = "add 0.0.0.0 mask 0.0.0.0 " + tunGateway + " metric 6"
out1, err = exec.Command("route", strings.Split(params1, " ")...).Output()
if err != nil {
goto checkErrStep
}
if ce := utils.CanLogInfo("auto route add tun"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
for _, v := range directList {
params1 = "add " + v + " " + rememberedRouterIP + " metric 5"
out1, err = exec.Command("route", strings.Split(params1, " ")...).Output()
if err != nil {
goto checkErrStep
}
if ce := utils.CanLogInfo("auto route add direct"); ce != nil {
ce.Write(zap.String("output", string(out1)))
}
}
utils.Warn("auto route succeed!")
}
autoRouteDownFunc = func(tunDevName, tunGateway, tunIP string, directList []string) {