Files
kubelogin/pkg/cmd/tls.go
2025-01-12 15:17:47 +09:00

53 lines
1.8 KiB
Go

package cmd
import (
"crypto/tls"
"github.com/int128/kubelogin/pkg/tlsclientconfig"
"github.com/spf13/pflag"
)
type tlsOptions struct {
CACertFilename []string
CACertData []string
SkipTLSVerify bool
RenegotiateOnceAsClient bool
RenegotiateFreelyAsClient bool
}
func (o *tlsOptions) addFlags(f *pflag.FlagSet) {
f.StringArrayVar(&o.CACertFilename, "certificate-authority", nil, "Path to a cert file for the certificate authority")
f.StringArrayVar(&o.CACertData, "certificate-authority-data", nil, "Base64 encoded cert for the certificate authority")
f.BoolVar(&o.SkipTLSVerify, "insecure-skip-tls-verify", false, "[SECURITY RISK] If set, the server's certificate will not be checked for validity")
f.BoolVar(&o.RenegotiateOnceAsClient, "tls-renegotiation-once", false, "If set, allow a remote server to request renegotiation once per connection")
f.BoolVar(&o.RenegotiateFreelyAsClient, "tls-renegotiation-freely", false, "If set, allow a remote server to repeatedly request renegotiation")
}
func (o *tlsOptions) expandHomedir() {
var caCertFilenames []string
for _, caCertFilename := range o.CACertFilename {
expanded := expandHomedir(caCertFilename)
caCertFilenames = append(caCertFilenames, expanded)
}
o.CACertFilename = caCertFilenames
}
func (o tlsOptions) tlsClientConfig() tlsclientconfig.Config {
return tlsclientconfig.Config{
CACertFilename: o.CACertFilename,
CACertData: o.CACertData,
SkipTLSVerify: o.SkipTLSVerify,
Renegotiation: o.renegotiationSupport(),
}
}
func (o tlsOptions) renegotiationSupport() tls.RenegotiationSupport {
if o.RenegotiateOnceAsClient {
return tls.RenegotiateOnceAsClient
}
if o.RenegotiateFreelyAsClient {
return tls.RenegotiateFreelyAsClient
}
return tls.RenegotiateNever
}