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feat: add config to overwrite grpc certificate

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This commit is contained in:
Kedas 2024-04-13 04:49:25 +00:00
parent 2858ab402a
commit e72bd1cc8c
3 changed files with 34 additions and 3 deletions
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5
config-example.yaml
View file

@ -40,6 +40,11 @@ grpc_listen_addr: 127.0.0.1:50443
# are doing. # are doing.
grpc_allow_insecure: false grpc_allow_insecure: false
# Use separate a certificate for gRPC, this overwrites
# the global certificate.
grpc_tls_cert_path: ""
grpc_tls_key_path: ""
# The Noise section includes specific configuration for the # The Noise section includes specific configuration for the
# TS2021 Noise protocol # TS2021 Noise protocol
noise: noise:

24
hscontrol/app.go
View file

@ -631,9 +631,27 @@ func (h *Headscale) Serve() error {
// https://github.com/soheilhy/cmux/issues/68 // https://github.com/soheilhy/cmux/issues/68
// https://github.com/soheilhy/cmux/issues/91 // https://github.com/soheilhy/cmux/issues/91
grpcTlsConfig := &tls.Config{
NextProtos: []string{"http/1.1"},
Certificates: make([]tls.Certificate, 1),
MinVersion: tls.VersionTLS12,
}
if h.cfg.TLS.GRPCCertPath == "" && h.cfg.TLS.GRPCKeyPath == "" {
grpcTlsConfig = tlsConfig
} else {
grpcTlsConfig.Certificates[0], err = tls.LoadX509KeyPair(h.cfg.TLS.GRPCCertPath, h.cfg.TLS.GRPCKeyPath)
if err != nil {
log.Error().Err(err).Msg("Failed to set up gRPC TLS configuration")
return err
}
}
var grpcServer *grpc.Server var grpcServer *grpc.Server
var grpcListener net.Listener var grpcListener net.Listener
if tlsConfig != nil || h.cfg.GRPCAllowInsecure { if grpcTlsConfig != nil || h.cfg.GRPCAllowInsecure {
log.Info().Msgf("Enabling remote gRPC at %s", h.cfg.GRPCAddr) log.Info().Msgf("Enabling remote gRPC at %s", h.cfg.GRPCAddr)
grpcOptions := []grpc.ServerOption{ grpcOptions := []grpc.ServerOption{
@ -646,9 +664,9 @@ func (h *Headscale) Serve() error {
), ),
} }
if tlsConfig != nil { if grpcTlsConfig != nil {
grpcOptions = append(grpcOptions, grpcOptions = append(grpcOptions,
grpc.Creds(credentials.NewTLS(tlsConfig)), grpc.Creds(credentials.NewTLS(grpcTlsConfig)),
) )
} else { } else {
log.Warn().Msg("gRPC is running without security") log.Warn().Msg("gRPC is running without security")

8
hscontrol/types/config.go
View file

@ -99,6 +99,8 @@ type DatabaseConfig struct {
type TLSConfig struct { type TLSConfig struct {
CertPath string CertPath string
KeyPath string KeyPath string
GRPCCertPath string
GRPCKeyPath string
LetsEncrypt LetsEncryptConfig LetsEncrypt LetsEncryptConfig
} }
@ -303,6 +305,12 @@ func GetTLSConfig() TLSConfig {
KeyPath: util.AbsolutePathFromConfigPath( KeyPath: util.AbsolutePathFromConfigPath(
viper.GetString("tls_key_path"), viper.GetString("tls_key_path"),
), ),
GRPCCertPath: util.AbsolutePathFromConfigPath(
viper.GetString("grpc_tls_cert_path"),
),
GRPCKeyPath: util.AbsolutePathFromConfigPath(
viper.GetString("grpc_tls_key_path"),
),
} }
} }