65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
package ldap
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import (
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"crypto/tls"
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"net"
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"github.com/pires/go-proxyproto"
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"goauthentik.io/internal/config"
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)
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func (ls *LDAPServer) getCertificates(info *tls.ClientHelloInfo) (*tls.Certificate, error) {
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if len(ls.providers) == 1 {
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if ls.providers[0].cert != nil {
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ls.log.WithField("server-name", info.ServerName).Debug("We only have a single provider, using their cert")
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return ls.providers[0].cert, nil
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}
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}
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allIdenticalCerts := true
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for _, provider := range ls.providers {
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if provider.tlsServerName == &info.ServerName {
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if provider.cert == nil {
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ls.log.WithField("server-name", info.ServerName).Debug("Handler does not have a certificate")
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return ls.defaultCert, nil
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}
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return provider.cert, nil
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}
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if provider.certUUID != ls.providers[0].certUUID && provider.cert != nil {
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allIdenticalCerts = false
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}
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}
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if allIdenticalCerts {
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ls.log.WithField("server-name", info.ServerName).Debug("all providers have the same keypair, using keypair")
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return ls.providers[0].cert, nil
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}
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ls.log.WithField("server-name", info.ServerName).Debug("Fallback to default cert")
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return ls.defaultCert, nil
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}
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func (ls *LDAPServer) StartLDAPTLSServer() error {
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listen := config.Get().Listen.LDAPS
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tlsConfig := &tls.Config{
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MinVersion: tls.VersionTLS12,
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MaxVersion: tls.VersionTLS12,
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GetCertificate: ls.getCertificates,
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}
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ln, err := net.Listen("tcp", listen)
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if err != nil {
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ls.log.WithField("listen", listen).WithError(err).Fatalf("listen failed")
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}
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proxyListener := &proxyproto.Listener{Listener: ln}
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defer proxyListener.Close()
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tln := tls.NewListener(proxyListener, tlsConfig)
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ls.log.WithField("listen", listen).Info("Starting LDAP SSL server")
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err = ls.s.Serve(tln)
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if err != nil {
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return err
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}
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ls.log.WithField("listen", listen).Info("Stopping LDAP SSL Server")
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return nil
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}
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