TLS config: Remove some deprecated fields (#6226)

https://t.me/projectXtls/1490

---------

Co-authored-by: RPRX <63339210+RPRX@users.noreply.github.com>

Author: KobeArthurScofield

infra/conf/transport_internet.go

@@ -14,7 +14,6 @@ import (
 	"strconv"
 	"strings"
 	"syscall"
-	"time"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
@@ -651,10 +650,8 @@ type TLSConfig struct {
 	MasterKeyLog            string           `json:"masterKeyLog"`
 	PinnedPeerCertSha256    string           `json:"pinnedPeerCertSha256"`
 	VerifyPeerCertByName    string           `json:"verifyPeerCertByName"`
-	VerifyPeerCertInNames   []string         `json:"verifyPeerCertInNames"`
 	ECHServerKeys           string           `json:"echServerKeys"`
 	ECHConfigList           string           `json:"echConfigList"`
-	ECHForceQuery           string           `json:"echForceQuery"`
 	ECHSocketSettings       *SocketConfig    `json:"echSockopt"`
 }
 
@@ -699,12 +696,7 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 	config.MasterKeyLog = c.MasterKeyLog
 
 	if c.AllowInsecure {
-		if time.Now().After(time.Date(2026, 6, 1, 0, 0, 0, 0, time.UTC)) {
-			return nil, errors.PrintRemovedFeatureError(`"allowInsecure"`, `"pinnedPeerCertSha256"`)
-		} else {
-			errors.LogWarning(context.Background(), `"allowInsecure" will be removed automatically after 2026-06-01, please use "pinnedPeerCertSha256"(pcs) and "verifyPeerCertByName"(vcn) instead, PLEASE CONTACT YOUR SERVICE PROVIDER (AIRPORT)`)
-			config.AllowInsecure = true
-		}
+		return nil, errors.PrintRemovedFeatureError(`"allowInsecure"`, `"pinnedPeerCertSha256"(pcs) and "verifyPeerCertByName"(vcn)`)
 	}
 	if c.PinnedPeerCertSha256 != "" {
 		for v := range strings.SplitSeq(c.PinnedPeerCertSha256, ",") {
@@ -723,10 +715,6 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 			config.PinnedPeerCertSha256 = append(config.PinnedPeerCertSha256, hashValue)
 		}
 	}
-
-	if c.VerifyPeerCertInNames != nil {
-		return nil, errors.PrintRemovedFeatureError(`"verifyPeerCertInNames"`, `"verifyPeerCertByName"`)
-	}
 	if c.VerifyPeerCertByName != "" {
 		for v := range strings.SplitSeq(c.VerifyPeerCertByName, ",") {
 			v = strings.TrimSpace(v)
@@ -744,13 +732,6 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 		}
 		config.EchServerKeys = EchPrivateKey
 	}
-	switch c.ECHForceQuery {
-	case "none", "half", "full", "":
-		config.EchForceQuery = c.ECHForceQuery
-	default:
-		return nil, errors.New(`invalid "echForceQuery": `, c.ECHForceQuery)
-	}
-	config.EchForceQuery = c.ECHForceQuery
 	config.EchConfigList = c.ECHConfigList
 	if c.ECHSocketSettings != nil {
 		ss, err := c.ECHSocketSettings.Build()

transport/internet/tls/config.go

@@ -381,7 +381,6 @@ func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
 		PinnedPeerCertSha256: c.PinnedPeerCertSha256,
 	}
 	config := &tls.Config{
-		InsecureSkipVerify:     c.AllowInsecure,
 		Rand:                   randCarrier,
 		ClientSessionCache:     globalSessionCache,
 		RootCAs:                root,

transport/internet/tls/config.pb.go

@@ -38,7 +38,7 @@ message Certificate {
 }
 
 message Config {
-  bool allow_insecure = 1;
+  // Number 1 was assigned and used by an legacy option.
 
   // List of certificates to be served on server.
   repeated Certificate certificate = 2;
@@ -81,8 +81,7 @@ message Config {
 
   string ech_config_list = 19;
 
-  // Deprecated
-  string ech_force_query = 20;
+  // Number 20 was assigned and used by an legacy option.
 
   SocketConfig ech_socket_settings = 21;