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增加基于tap设备的桥接访问模式

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This commit is contained in:
bjdgyc
2020-09-14 17:17:50 +08:00
parent 3b64de19b8
commit 31b1f12dbe
57 changed files with 2598 additions and 703 deletions
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44
handler/link_tunnel.go
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@@ -3,10 +3,12 @@ package handler
import (
"fmt"
"log"
"net"
"net/http"
"os"
"github.com/bjdgyc/anylink/common"
"github.com/bjdgyc/anylink/sessdata"
)
var hn string
@@ -20,7 +22,7 @@ func LinkTunnel(w http.ResponseWriter, r *http.Request) {
// TODO 调试信息输出
// hd, _ := httputil.DumpRequest(r, true)
// fmt.Println("DumpRequest: ", string(hd))
fmt.Println("LinkTunnel", r.RemoteAddr)
// fmt.Println("LinkTunnel", r.RemoteAddr)
// 判断session-token的值
cookie, err := r.Cookie("webvpn")
@@ -29,31 +31,41 @@ func LinkTunnel(w http.ResponseWriter, r *http.Request) {
return
}
sess := SToken2Sess(cookie.Value)
sess := sessdata.SToken2Sess(cookie.Value)
if sess == nil {
w.WriteHeader(http.StatusBadRequest)
return
}
// 开启link
cSess := sess.StartConn()
cSess := sess.NewConn()
if cSess == nil {
log.Println(err)
w.WriteHeader(http.StatusBadRequest)
return
}
fmt.Println(cSess.Ip, cSess.MacHw)
// 客户端信息
cstp_mtu := r.Header.Get("X-CSTP-MTU")
master_Secret := r.Header.Get("X-DTLS-Master-Secret")
local_ip := r.Header.Get("X-Cstp-Local-Address-Ip4")
mobile := r.Header.Get("X-Cstp-License")
cSess.SetMtu(cstp_mtu)
cSess.MasterSecret = master_Secret
cSess.Mtu = cstp_mtu
cSess.RemoteAddr = r.RemoteAddr
cSess.LocalIp = net.ParseIP(local_ip)
cstpDpd := common.ServerCfg.CstpDpd
if mobile == "mobile" {
// 手机客户端
cstpDpd = common.ServerCfg.MobileDpd
}
// 返回客户端数据
w.Header().Set("Server", fmt.Sprintf("%s %s", common.APP_NAME, common.APP_VER))
w.Header().Set("X-CSTP-Version", "1")
w.Header().Set("X-CSTP-Protocol", "Copyright (c) 2004 Cisco Systems, Inc.")
w.Header().Set("X-CSTP-Address", cSess.NetIp.String()) // 分配的ip地址
w.Header().Set("X-CSTP-Address", cSess.Ip.String()) // 分配的ip地址
w.Header().Set("X-CSTP-Netmask", common.ServerCfg.Ipv4Netmask) // 子网掩码
w.Header().Set("X-CSTP-Hostname", hn) // 机器名称
for _, v := range common.ServerCfg.ClientDns {
@@ -74,7 +86,7 @@ func LinkTunnel(w http.ResponseWriter, r *http.Request) {
// w.Header().Add("X-CSTP-Split-Include", "192.168.0.0/255.255.0.0")
// w.Header().Add("X-CSTP-Split-Exclude", "10.1.5.2/255.255.255.255")
w.Header().Set("X-CSTP-Lease-Duration", fmt.Sprintf("%d", common.IpLease)) // ip地址租期
w.Header().Set("X-CSTP-Lease-Duration", fmt.Sprintf("%d", sessdata.IpLease)) // ip地址租期
w.Header().Set("X-CSTP-Session-Timeout", "none")
w.Header().Set("X-CSTP-Session-Timeout-Alert-Interval", "60")
w.Header().Set("X-CSTP-Session-Timeout-Remaining", "none")
@@ -82,16 +94,18 @@ func LinkTunnel(w http.ResponseWriter, r *http.Request) {
w.Header().Set("X-CSTP-Disconnected-Timeout", "18000")
w.Header().Set("X-CSTP-Keep", "true")
w.Header().Set("X-CSTP-Tunnel-All-DNS", "false")
w.Header().Set("X-CSTP-Rekey-Time", "5400")
w.Header().Set("X-CSTP-Rekey-Time", "172800")
w.Header().Set("X-CSTP-Rekey-Method", "new-tunnel")
w.Header().Set("X-CSTP-DPD", fmt.Sprintf("%d", common.ServerCfg.CstpDpd)) // 30 Dead peer detection in seconds
w.Header().Set("X-CSTP-DPD", fmt.Sprintf("%d", cstpDpd)) // 30 Dead peer detection in seconds
w.Header().Set("X-CSTP-Keepalive", fmt.Sprintf("%d", common.ServerCfg.CstpKeepalive)) // 20
w.Header().Set("X-CSTP-Banner", "welcome") // urlencode
w.Header().Set("X-CSTP-Banner", common.ServerCfg.Banner) // urlencode
w.Header().Set("X-CSTP-MSIE-Proxy-Lockdown", "true")
w.Header().Set("X-CSTP-Smartcard-Removal-Disconnect", "true")
w.Header().Set("X-CSTP-MTU", cstp_mtu) // 1399
w.Header().Set("X-DTLS-MTU", cstp_mtu)
w.Header().Set("X-CSTP-MTU", fmt.Sprintf("%d", cSess.Mtu)) // 1399
w.Header().Set("X-DTLS-MTU", fmt.Sprintf("%d", cSess.Mtu))
w.Header().Set("X-DTLS-Session-ID", sess.DtlsSid)
w.Header().Set("X-DTLS-Port", "4433")
@@ -117,6 +131,12 @@ func LinkTunnel(w http.ResponseWriter, r *http.Request) {
}
// 开始数据处理
go LinkTun(cSess)
switch common.ServerCfg.LinkMode {
case common.LinkModeTUN:
go LinkTun(cSess)
case common.LinkModeTAP:
go LinkTap(cSess)
}
go LinkCstp(conn, cSess)
}