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Legends never die (#1725)

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yuhan6665 2023-03-04 05:39:26 -05:00 • committed by GitHub
parent 4c8ee0af50
commit 9e5bc07bf2
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34 changed files with 71 additions and 1773 deletions
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61
proxy/trojan/client.go
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@ -2,14 +2,12 @@ package trojan
import (
"context"
"syscall"
"time"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/platform"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/retry"
"github.com/xtls/xray-core/common/session"
@ -17,11 +15,9 @@ import (
"github.com/xtls/xray-core/common/task"
core "github.com/xtls/xray-core/core"
"github.com/xtls/xray-core/features/policy"
"github.com/xtls/xray-core/features/stats"
"github.com/xtls/xray-core/transport"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/stat"
"github.com/xtls/xray-core/transport/internet/xtls"
)
// Client is a inbound handler for trojan protocol
@ -97,49 +93,6 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
Flow: account.Flow,
}
var rawConn syscall.RawConn
var sctx context.Context
allowUDP443 := false
switch connWriter.Flow {
case XRO + "-udp443", XRD + "-udp443", XRS + "-udp443":
allowUDP443 = true
connWriter.Flow = connWriter.Flow[:16]
fallthrough
case XRO, XRD, XRS:
if destination.Address.Family().IsDomain() && destination.Address.Domain() == muxCoolAddress {
return newError(connWriter.Flow + " doesn't support Mux").AtWarning()
}
if destination.Network == net.Network_UDP {
if !allowUDP443 && destination.Port == 443 {
return newError(connWriter.Flow + " stopped UDP/443").AtInfo()
}
connWriter.Flow = ""
} else { // enable XTLS only if making TCP request
if xtlsConn, ok := iConn.(*xtls.Conn); ok {
xtlsConn.RPRX = true
xtlsConn.SHOW = xtls_show
xtlsConn.MARK = "XTLS"
if connWriter.Flow == XRS {
sctx = ctx
connWriter.Flow = XRD
}
if connWriter.Flow == XRD {
xtlsConn.DirectMode = true
if sc, ok := xtlsConn.NetConn().(syscall.Conn); ok {
rawConn, _ = sc.SyscallConn()
}
}
} else {
return newError(`failed to use ` + connWriter.Flow + `, maybe "security" is not "xtls"`).AtWarning()
}
}
default:
if _, ok := iConn.(*xtls.Conn); ok {
panic(`To avoid misunderstanding, you must fill in Trojan "flow" when using XTLS.`)
}
}
sessionPolicy := c.policyManager.ForLevel(user.Level)
ctx, cancel := context.WithCancel(ctx)
timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)
@ -193,13 +146,6 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
} else {
reader = buf.NewReader(conn)
}
if rawConn != nil {
var counter stats.Counter
if statConn != nil {
counter = statConn.ReadCounter
}
return ReadV(reader, link.Writer, timer, iConn.(*xtls.Conn), rawConn, counter, sctx)
}
return buf.Copy(reader, link.Writer, buf.UpdateActivity(timer))
}
@ -215,11 +161,4 @@ func init() {
common.Must(common.RegisterConfig((*ClientConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return NewClient(ctx, config.(*ClientConfig))
}))
const defaultFlagValue = "NOT_DEFINED_AT_ALL"
xtlsShow := platform.NewEnvFlag("xray.trojan.xtls.show").GetValue(func() string { return defaultFlagValue })
if xtlsShow == "true" {
xtls_show = true
}
}