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Merge pull request #63 from 7357657/dev 

兼容 OpenConnect 客户端
This commit is contained in:
bjdgyc 2021-10-30 15:29:47 +08:00 committed by GitHub
parent f42176299d 3cb22172b1
commit 73d5a1be69
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 52 additions and 40 deletions
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92
server/handler/link_tunnel.go
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@ -22,6 +22,14 @@ func init() {
hn, _ = os.Hostname()
}
func HttpSetHeader(w http.ResponseWriter, key string, value string) {
w.Header()[key] = []string{value}
}
func HttpAddHeader(w http.ResponseWriter, key string, value string) {
w.Header()[key] = append(w.Header()[key], value)
}
func LinkTunnel(w http.ResponseWriter, r *http.Request) {
// TODO 调试信息输出
// hd, _ := httputil.DumpRequest(r, true)
@ -51,6 +59,7 @@ func LinkTunnel(w http.ResponseWriter, r *http.Request) {
// 客户端信息
cstpMtu := r.Header.Get("X-CSTP-MTU")
cstpBaseMtu := r.Header.Get("X-CSTP-Base-MTU")
masterSecret := r.Header.Get("X-DTLS-Master-Secret")
localIp := r.Header.Get("X-Cstp-Local-Address-Ip4")
mobile := r.Header.Get("X-Cstp-License")
@ -79,68 +88,71 @@ func LinkTunnel(w http.ResponseWriter, r *http.Request) {
base.Debug(cSess.IpAddr, cSess.MacHw, sess.Username, mobile)
// 返回客户端数据
w.Header().Set("Server", fmt.Sprintf("%s %s", base.APP_NAME, base.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.IpAddr.String()) // 分配的ip地址
w.Header().Set("X-CSTP-Netmask", sessdata.IpPool.Ipv4Mask.String()) // 子网掩码
w.Header().Set("X-CSTP-Hostname", hn) // 机器名称
HttpSetHeader(w, "Server", fmt.Sprintf("%s %s", base.APP_NAME, base.APP_VER))
HttpSetHeader(w, "X-CSTP-Version", "1")
HttpSetHeader(w, "X-CSTP-Server-Name", fmt.Sprintf("%s %s", base.APP_NAME, base.APP_VER))
HttpSetHeader(w, "X-CSTP-Protocol", "Copyright (c) 2004 Cisco Systems, Inc.")
HttpSetHeader(w, "X-CSTP-Address", cSess.IpAddr.String()) // 分配的ip地址
HttpSetHeader(w, "X-CSTP-Netmask", sessdata.IpPool.Ipv4Mask.String()) // 子网掩码
HttpSetHeader(w, "X-CSTP-Hostname", hn) // 机器名称
//HttpSetHeader(w, "X-CSTP-Default-Domain", cSess.LocalIp)
HttpSetHeader(w, "X-CSTP-Base-MTU", cstpBaseMtu)
// 允许本地LAN访问vpn网络，必须放在路由的第一个
if cSess.Group.AllowLan {
w.Header().Set("X-CSTP-Split-Exclude", "0.0.0.0/255.255.255.255")
HttpSetHeader(w, "X-CSTP-Split-Exclude", "0.0.0.0/255.255.255.255")
}
// dns地址
for _, v := range cSess.Group.ClientDns {
w.Header().Add("X-CSTP-DNS", v.Val)
HttpAddHeader(w, "X-CSTP-DNS", v.Val)
}
// 允许的路由
for _, v := range cSess.Group.RouteInclude {
if v.Val == "all" {
continue
}
w.Header().Add("X-CSTP-Split-Include", v.IpMask)
HttpAddHeader(w, "X-CSTP-Split-Include", v.IpMask)
}
// 不允许的路由
for _, v := range cSess.Group.RouteExclude {
w.Header().Add("X-CSTP-Split-Exclude", v.IpMask)
HttpAddHeader(w, "X-CSTP-Split-Exclude", v.IpMask)
}
w.Header().Set("X-CSTP-Lease-Duration", fmt.Sprintf("%d", base.Cfg.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")
w.Header().Set("X-CSTP-Idle-Timeout", "18000")
w.Header().Set("X-CSTP-Disconnected-Timeout", "18000")
w.Header().Set("X-CSTP-Keep", "true")
w.Header().Set("X-CSTP-Tunnel-All-DNS", "false")
HttpSetHeader(w, "X-CSTP-Lease-Duration", fmt.Sprintf("%d", base.Cfg.IpLease)) // ip地址租期
HttpSetHeader(w, "X-CSTP-Session-Timeout", "none")
HttpSetHeader(w, "X-CSTP-Session-Timeout-Alert-Interval", "60")
HttpSetHeader(w, "X-CSTP-Session-Timeout-Remaining", "none")
HttpSetHeader(w, "X-CSTP-Idle-Timeout", "18000")
HttpSetHeader(w, "X-CSTP-Disconnected-Timeout", "18000")
HttpSetHeader(w, "X-CSTP-Keep", "true")
HttpSetHeader(w, "X-CSTP-Tunnel-All-DNS", "false")
w.Header().Set("X-CSTP-Rekey-Time", "172800")
w.Header().Set("X-CSTP-Rekey-Method", "new-tunnel")
HttpSetHeader(w, "X-CSTP-Rekey-Time", "172800")
HttpSetHeader(w, "X-CSTP-Rekey-Method", "new-tunnel")
w.Header().Set("X-CSTP-DPD", fmt.Sprintf("%d", cstpDpd))
w.Header().Set("X-CSTP-Keepalive", fmt.Sprintf("%d", cstpKeepalive))
// w.Header().Set("X-CSTP-Banner", banner.Banner)
w.Header().Set("X-CSTP-MSIE-Proxy-Lockdown", "true")
w.Header().Set("X-CSTP-Smartcard-Removal-Disconnect", "true")
HttpSetHeader(w, "X-CSTP-DPD", fmt.Sprintf("%d", cstpDpd))
HttpSetHeader(w, "X-CSTP-Keepalive", fmt.Sprintf("%d", cstpKeepalive))
// HttpSetHeader(w, "X-CSTP-Banner", banner.Banner)
HttpSetHeader(w, "X-CSTP-MSIE-Proxy-Lockdown", "true")
HttpSetHeader(w, "X-CSTP-Smartcard-Removal-Disconnect", "true")
w.Header().Set("X-CSTP-MTU", fmt.Sprintf("%d", cSess.Mtu)) // 1399
w.Header().Set("X-DTLS-MTU", fmt.Sprintf("%d", cSess.Mtu))
HttpSetHeader(w, "X-CSTP-MTU", fmt.Sprintf("%d", cSess.Mtu)) // 1399
HttpSetHeader(w, "X-DTLS-MTU", fmt.Sprintf("%d", cSess.Mtu))
w.Header().Set("X-DTLS-Session-ID", sess.DtlsSid)
w.Header().Set("X-DTLS-Port", dtlsPort)
w.Header().Set("X-DTLS-DPD", fmt.Sprintf("%d", cstpDpd))
w.Header().Set("X-DTLS-Keepalive", fmt.Sprintf("%d", cstpKeepalive))
w.Header().Set("X-DTLS-Rekey-Time", "5400")
w.Header().Set("X-DTLS12-CipherSuite", "ECDHE-ECDSA-AES128-GCM-SHA256")
HttpSetHeader(w, "X-DTLS-Session-ID", sess.DtlsSid)
HttpSetHeader(w, "X-DTLS-Port", dtlsPort)
HttpSetHeader(w, "X-DTLS-DPD", fmt.Sprintf("%d", cstpDpd))
HttpSetHeader(w, "X-DTLS-Keepalive", fmt.Sprintf("%d", cstpKeepalive))
HttpSetHeader(w, "X-DTLS-Rekey-Time", "5400")
HttpSetHeader(w, "X-DTLS12-CipherSuite", "ECDHE-ECDSA-AES128-GCM-SHA256")
w.Header().Set("X-CSTP-License", "accept")
w.Header().Set("X-CSTP-Routing-Filtering-Ignore", "false")
w.Header().Set("X-CSTP-Quarantine", "false")
w.Header().Set("X-CSTP-Disable-Always-On-VPN", "false")
w.Header().Set("X-CSTP-Client-Bypass-Protocol", "false")
w.Header().Set("X-CSTP-TCP-Keepalive", "false")
// w.Header().Set("X-CSTP-Post-Auth-XML", ``)
HttpSetHeader(w, "X-CSTP-License", "accept")
HttpSetHeader(w, "X-CSTP-Routing-Filtering-Ignore", "false")
HttpSetHeader(w, "X-CSTP-Quarantine", "false")
HttpSetHeader(w, "X-CSTP-Disable-Always-On-VPN", "false")
HttpSetHeader(w, "X-CSTP-Client-Bypass-Protocol", "false")
HttpSetHeader(w, "X-CSTP-TCP-Keepalive", "false")
// HttpSetHeader(w, "X-CSTP-Post-Auth-XML", ``)
w.WriteHeader(http.StatusOK)
hClone := w.Header().Clone()