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This commit is contained in:
Flik
2025-12-28 00:05:21 +08:00
parent f43256d33d
commit abfc235357
10 changed files with 513 additions and 15 deletions

View File

@@ -15,12 +15,17 @@ func init() {
}
const (
socks5Version = 0x05
noAuth = 0x00
cmdConnect = 0x01
atypIPv4 = 0x01
atypDomain = 0x03
atypIPv6 = 0x04
socks5Version = 0x05
noAuth = 0x00
userPassAuth = 0x02
noAcceptable = 0xFF
userPassAuthVer = 0x01
authSuccess = 0x00
authFailure = 0x01
cmdConnect = 0x01
atypIPv4 = 0x01
atypDomain = 0x03
atypIPv6 = 0x04
)
// SOCKS5Plugin 将现有 SOCKS5 实现封装为 plugin
@@ -45,6 +50,28 @@ func (p *SOCKS5Plugin) Metadata() plugin.PluginMetadata {
Capabilities: []string{
"dial", "read", "write", "close",
},
ConfigSchema: []plugin.ConfigField{
{
Key: "auth",
Label: "认证方式",
Type: plugin.ConfigFieldSelect,
Default: "none",
Options: []string{"none", "password"},
Description: "SOCKS5 认证方式",
},
{
Key: "username",
Label: "用户名",
Type: plugin.ConfigFieldString,
Description: "认证用户名(仅 password 认证时需要)",
},
{
Key: "password",
Label: "密码",
Type: plugin.ConfigFieldPassword,
Description: "认证密码(仅 password 认证时需要)",
},
},
}
}
@@ -110,7 +137,31 @@ func (p *SOCKS5Plugin) handshake(conn net.Conn) error {
return err
}
// 响应:使用无认证
// 检查是否需要密码认证
if p.config["auth"] == "password" {
// 检查客户端是否支持用户名密码认证
supported := false
for _, m := range methods {
if m == userPassAuth {
supported = true
break
}
}
if !supported {
conn.Write([]byte{socks5Version, noAcceptable})
return errors.New("client does not support password auth")
}
// 选择用户名密码认证
if _, err := conn.Write([]byte{socks5Version, userPassAuth}); err != nil {
return err
}
// 执行用户名密码认证
return p.authenticateUserPass(conn)
}
// 无认证
_, err := conn.Write([]byte{socks5Version, noAuth})
return err
}
@@ -163,6 +214,48 @@ func (p *SOCKS5Plugin) readRequest(conn net.Conn) (string, error) {
return fmt.Sprintf("%s:%d", host, port), nil
}
// authenticateUserPass 用户名密码认证
func (p *SOCKS5Plugin) authenticateUserPass(conn net.Conn) error {
// 读取认证版本
buf := make([]byte, 2)
if _, err := io.ReadFull(conn, buf); err != nil {
return err
}
if buf[0] != userPassAuthVer {
return errors.New("unsupported auth version")
}
// 读取用户名
ulen := int(buf[1])
username := make([]byte, ulen)
if _, err := io.ReadFull(conn, username); err != nil {
return err
}
// 读取密码长度和密码
plenBuf := make([]byte, 1)
if _, err := io.ReadFull(conn, plenBuf); err != nil {
return err
}
plen := int(plenBuf[0])
password := make([]byte, plen)
if _, err := io.ReadFull(conn, password); err != nil {
return err
}
// 验证用户名密码
expectedUser := p.config["username"]
expectedPass := p.config["password"]
if string(username) == expectedUser && string(password) == expectedPass {
conn.Write([]byte{userPassAuthVer, authSuccess})
return nil
}
conn.Write([]byte{userPassAuthVer, authFailure})
return errors.New("authentication failed")
}
// sendReply 发送响应
func (p *SOCKS5Plugin) sendReply(conn net.Conn, rep byte) error {
reply := []byte{socks5Version, rep, 0x00, atypIPv4, 0, 0, 0, 0, 0, 0}

View File

@@ -23,6 +23,28 @@ const (
PluginSourceWASM PluginSource = "wasm" // WASM 模块
)
// ConfigFieldType 配置字段类型
type ConfigFieldType string
const (
ConfigFieldString ConfigFieldType = "string"
ConfigFieldNumber ConfigFieldType = "number"
ConfigFieldBool ConfigFieldType = "bool"
ConfigFieldSelect ConfigFieldType = "select" // 下拉选择
ConfigFieldPassword ConfigFieldType = "password" // 密码输入
)
// ConfigField 配置字段定义
type ConfigField struct {
Key string `json:"key"` // 配置键名
Label string `json:"label"` // 显示标签
Type ConfigFieldType `json:"type"` // 字段类型
Default string `json:"default,omitempty"` // 默认值
Required bool `json:"required,omitempty"` // 是否必填
Options []string `json:"options,omitempty"` // select 类型的选项
Description string `json:"description,omitempty"` // 字段描述
}
// PluginMetadata 描述一个 plugin
type PluginMetadata struct {
Name string `json:"name"` // 唯一标识符 (如 "socks5")
@@ -35,7 +57,7 @@ type PluginMetadata struct {
Checksum string `json:"checksum,omitempty"` // WASM 二进制的 SHA256
Size int64 `json:"size,omitempty"` // WASM 二进制大小
Capabilities []string `json:"capabilities,omitempty"` // 所需 host functions
ConfigSchema map[string]string `json:"config_schema,omitempty"`
ConfigSchema []ConfigField `json:"config_schema,omitempty"`// 配置模式定义
}
// PluginInfo 组合元数据和运行时状态

View File

@@ -37,6 +37,7 @@ const (
// 插件安装消息
MsgTypeInstallPlugins uint8 = 24 // 服务端推送安装插件列表
MsgTypePluginConfig uint8 = 25 // 插件配置同步
)
// Message 基础消息结构
@@ -155,6 +156,12 @@ type InstallPluginsRequest struct {
Plugins []string `json:"plugins"` // 要安装的插件名称列表
}
// PluginConfigSync 插件配置同步
type PluginConfigSync struct {
PluginName string `json:"plugin_name"` // 插件名称
Config map[string]string `json:"config"` // 配置内容
}
// UDPPacket UDP 数据包
type UDPPacket struct {
RemotePort int `json:"remote_port"` // 服务端监听端口