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https://github.com/sorenisanerd/gotty.git
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Add client certificate fields to the configuration struct
Add relevant logic
This commit is contained in:
parent
5eb5959c93
commit
7321b43f67
30
app/app.go
30
app/app.go
@ -2,6 +2,8 @@ package app
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import (
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"crypto/rand"
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"crypto/tls"
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"crypto/x509"
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"encoding/base64"
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"errors"
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"io/ioutil"
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@ -45,6 +47,9 @@ type Options struct {
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EnableTLS bool `hcl:"enable_tls"`
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TLSCrtFile string `hcl:"tls_crt_file"`
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TLSKeyFile string `hcl:"tls_key_file"`
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EnableClientCertificate bool `hcl:"enable_client_certificate"`
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ClientCAFile string `hcl:"client_ca_file"`
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EnableClientCertificateVerification bool `hcl:"enable_client_certificate_verification"`
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TitleFormat string `hcl:"title_format"`
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EnableReconnect bool `hcl:"enable_reconnect"`
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ReconnectTime int `hcl:"reconnect_time"`
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@ -64,6 +69,9 @@ var DefaultOptions = Options{
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EnableTLS: false,
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TLSCrtFile: "~/.gotty.crt",
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TLSKeyFile: "~/.gotty.key",
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EnableClientCertificate: false,
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ClientCAFile: "~/.gotty.ca.crt",
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EnableClientCertificateVerification: false,
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TitleFormat: "GoTTY - {{ .Command }} ({{ .Hostname }})",
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EnableReconnect: false,
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ReconnectTime: 10,
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@ -195,6 +203,28 @@ func (app *App) Run() error {
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keyFile := ExpandHomeDir(app.options.TLSKeyFile)
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log.Printf("TLS crt file: " + crtFile)
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log.Printf("TLS key file: " + keyFile)
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if app.options.EnableClientCertificate {
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caFile := ExpandHomeDir(app.options.ClientCAFile)
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log.Printf("Client CA file: " + caFile)
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caCert, err := ioutil.ReadFile(caFile)
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if err != nil {
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return errors.New("Cannot open CA file " + caFile)
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}
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caCertPool := x509.NewCertPool()
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if !caCertPool.AppendCertsFromPEM(caCert) {
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return errors.New("Cannot parse CA file data in " + caFile)
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}
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tlsVerifyPolicy := tls.RequireAnyClientCert
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if app.options.EnableClientCertificateVerification {
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log.Print("Enabling verification of client certificate")
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tlsVerifyPolicy = tls.RequireAndVerifyClientCert
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}
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tlsConfig := &tls.Config{
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ClientCAs: caCertPool,
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ClientAuth: tlsVerifyPolicy,
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}
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app.server.TLSConfig = tlsConfig
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}
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err = app.server.ListenAndServeTLS(crtFile, keyFile)
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} else {
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err = app.server.ListenAndServe()
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