mirror of
https://github.com/e1732a364fed/v2ray_simple.git
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67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package tlsLayer
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import (
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"crypto/tls"
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"net"
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"unsafe"
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"github.com/e1732a364fed/v2ray_simple/utils"
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"golang.org/x/exp/slices"
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)
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type Server struct {
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tlsConfig *tls.Config
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tlstype int
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}
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// 如 certFile, keyFile 有一项没给出，则会自动生成随机证书
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func NewServer(conf Conf) (*Server, error) {
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//服务端必须给出 http/1.1 等，否则不会协商出这个alpn，而我们为了回落，是需要协商出所有可能需要的 alpn的。
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//而且我们如果不提供 h1 和 h2 的alpn的话，很容易被审查者察觉的。
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if conf.AlpnList == nil {
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conf.AlpnList = []string{"http/1.1", "h2"}
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} else {
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if !slices.Contains(conf.AlpnList, "http/1.1") {
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conf.AlpnList = append(conf.AlpnList, "http/1.1")
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}
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if !slices.Contains(conf.AlpnList, "h2") {
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conf.AlpnList = append(conf.AlpnList, "h2")
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}
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}
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s := &Server{
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tlsConfig: GetTlsConfig(true, conf),
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tlstype: conf.Tls_type,
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}
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return s, nil
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}
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func (s *Server) Handshake(clientConn net.Conn) (tlsConn *Conn, err error) {
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if s.tlstype == shadowTls_t {
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return shadowTls1(s.tlsConfig.ServerName, clientConn)
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}
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rawTlsConn := tls.Server(clientConn, s.tlsConfig)
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err = rawTlsConn.Handshake()
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if err != nil {
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err = utils.ErrInErr{ErrDesc: "Failed in Tls handshake", ErrDetail: err}
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return
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}
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tlsConn = &Conn{
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Conn: rawTlsConn,
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ptr: unsafe.Pointer(rawTlsConn),
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}
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return
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}
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