68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
package tls
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
|
|
"github.com/go-gost/gost/v3/pkg/dialer"
|
|
"github.com/go-gost/gost/v3/pkg/logger"
|
|
md "github.com/go-gost/gost/v3/pkg/metadata"
|
|
"github.com/go-gost/gost/v3/pkg/registry"
|
|
)
|
|
|
|
func init() {
|
|
registry.DialerRegistry().Register("otls", NewDialer)
|
|
}
|
|
|
|
type obfsTLSDialer struct {
|
|
md metadata
|
|
logger logger.Logger
|
|
}
|
|
|
|
func NewDialer(opts ...dialer.Option) dialer.Dialer {
|
|
options := &dialer.Options{}
|
|
for _, opt := range opts {
|
|
opt(options)
|
|
}
|
|
|
|
return &obfsTLSDialer{
|
|
logger: options.Logger,
|
|
}
|
|
}
|
|
|
|
func (d *obfsTLSDialer) Init(md md.Metadata) (err error) {
|
|
return d.parseMetadata(md)
|
|
}
|
|
|
|
func (d *obfsTLSDialer) Dial(ctx context.Context, addr string, opts ...dialer.DialOption) (net.Conn, error) {
|
|
options := &dialer.DialOptions{}
|
|
for _, opt := range opts {
|
|
opt(options)
|
|
}
|
|
|
|
conn, err := options.NetDialer.Dial(ctx, "tcp", addr)
|
|
if err != nil {
|
|
d.logger.Error(err)
|
|
}
|
|
return conn, err
|
|
}
|
|
|
|
// Handshake implements dialer.Handshaker
|
|
func (d *obfsTLSDialer) Handshake(ctx context.Context, conn net.Conn, options ...dialer.HandshakeOption) (net.Conn, error) {
|
|
opts := &dialer.HandshakeOptions{}
|
|
for _, option := range options {
|
|
option(opts)
|
|
}
|
|
|
|
host := d.md.host
|
|
if host == "" {
|
|
host = opts.Addr
|
|
}
|
|
|
|
return &obfsTLSConn{
|
|
Conn: conn,
|
|
host: host,
|
|
handshaked: make(chan struct{}),
|
|
}, nil
|
|
}
|