90 lines
2.1 KiB
Go
90 lines
2.1 KiB
Go
package v5
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import (
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"crypto/tls"
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"strings"
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"time"
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"github.com/go-gost/gost/pkg/auth"
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util_tls "github.com/go-gost/gost/pkg/internal/utils/tls"
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md "github.com/go-gost/gost/pkg/metadata"
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)
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type metadata struct {
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tlsConfig *tls.Config
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authenticator auth.Authenticator
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timeout time.Duration
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readTimeout time.Duration
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retryCount int
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noTLS bool
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enableBind bool
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enableUDP bool
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udpBufferSize int
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compatibilityMode bool
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}
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func (h *socks5Handler) parseMetadata(md md.Metadata) error {
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const (
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certFile = "certFile"
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keyFile = "keyFile"
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caFile = "caFile"
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authsKey = "auths"
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readTimeout = "readTimeout"
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timeout = "timeout"
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retryCount = "retry"
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noTLS = "notls"
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enableBind = "bind"
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enableUDP = "udp"
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udpBufferSize = "udpBufferSize"
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compatibilityMode = "comp"
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)
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var err error
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h.md.tlsConfig, err = util_tls.LoadTLSConfig(
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md.GetString(certFile),
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md.GetString(keyFile),
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md.GetString(caFile),
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)
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if err != nil {
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h.logger.Warn("parse tls config: ", err)
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}
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if v, _ := md.Get(authsKey).([]interface{}); len(v) > 0 {
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authenticator := auth.NewLocalAuthenticator(nil)
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for _, auth := range v {
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if s, _ := auth.(string); s != "" {
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ss := strings.SplitN(s, ":", 2)
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if len(ss) == 1 {
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authenticator.Add(ss[0], "")
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} else {
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authenticator.Add(ss[0], ss[1])
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}
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}
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}
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h.md.authenticator = authenticator
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}
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h.md.readTimeout = md.GetDuration(readTimeout)
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h.md.timeout = md.GetDuration(timeout)
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h.md.retryCount = md.GetInt(retryCount)
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h.md.noTLS = md.GetBool(noTLS)
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h.md.enableBind = md.GetBool(enableBind)
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h.md.enableUDP = md.GetBool(enableUDP)
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h.md.udpBufferSize = md.GetInt(udpBufferSize)
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if h.md.udpBufferSize > 0 {
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if h.md.udpBufferSize < 512 {
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h.md.udpBufferSize = 512 // min buffer size
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}
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if h.md.udpBufferSize > 65*1024 {
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h.md.udpBufferSize = 65 * 1024 // max buffer size
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}
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} else {
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h.md.udpBufferSize = 4096 // default buffer size
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}
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h.md.compatibilityMode = md.GetBool(compatibilityMode)
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return nil
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}
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