clash/adapters/outbound/vmess.go
2019-03-03 11:59:07 +08:00

97 lines
2.6 KiB
Go

package adapters
import (
"fmt"
"net"
"strconv"
"strings"
"github.com/Dreamacro/clash/component/vmess"
C "github.com/Dreamacro/clash/constant"
)
type Vmess struct {
*Base
server string
client *vmess.Client
}
type VmessOption struct {
Name string `proxy:"name"`
Server string `proxy:"server"`
Port int `proxy:"port"`
UUID string `proxy:"uuid"`
AlterID int `proxy:"alterId"`
Cipher string `proxy:"cipher"`
TLS bool `proxy:"tls,omitempty"`
Network string `proxy:"network,omitempty"`
WSPath string `proxy:"ws-path,omitempty"`
WSHeaders map[string]string `proxy:"ws-headers,omitempty"`
SkipCertVerify bool `proxy:"skip-cert-verify,omitempty"`
}
func (v *Vmess) Dial(metadata *C.Metadata) (net.Conn, error) {
c, err := net.DialTimeout("tcp", v.server, tcpTimeout)
if err != nil {
return nil, fmt.Errorf("%s connect error", v.server)
}
tcpKeepAlive(c)
c, err = v.client.New(c, parseVmessAddr(metadata))
return c, err
}
func NewVmess(option VmessOption) (*Vmess, error) {
security := strings.ToLower(option.Cipher)
client, err := vmess.NewClient(vmess.Config{
UUID: option.UUID,
AlterID: uint16(option.AlterID),
Security: security,
TLS: option.TLS,
HostName: option.Server,
Port: strconv.Itoa(option.Port),
NetWork: option.Network,
WebSocketPath: option.WSPath,
WebSocketHeaders: option.WSHeaders,
SkipCertVerify: option.SkipCertVerify,
SessionCacahe: getClientSessionCache(),
})
if err != nil {
return nil, err
}
return &Vmess{
Base: &Base{
name: option.Name,
tp: C.Vmess,
},
server: net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
client: client,
}, nil
}
func parseVmessAddr(metadata *C.Metadata) *vmess.DstAddr {
var addrType byte
var addr []byte
switch metadata.AddrType {
case C.AtypIPv4:
addrType = byte(vmess.AtypIPv4)
addr = make([]byte, net.IPv4len)
copy(addr[:], metadata.IP.To4())
case C.AtypIPv6:
addrType = byte(vmess.AtypIPv6)
addr = make([]byte, net.IPv6len)
copy(addr[:], metadata.IP.To16())
case C.AtypDomainName:
addrType = byte(vmess.AtypDomainName)
addr = make([]byte, len(metadata.Host)+1)
addr[0] = byte(len(metadata.Host))
copy(addr[1:], []byte(metadata.Host))
}
port, _ := strconv.Atoi(metadata.Port)
return &vmess.DstAddr{
AddrType: addrType,
Addr: addr,
Port: uint(port),
}
}