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support SNI

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This commit is contained in:
Shivaram Lingamneni 2021-04-07 22:49:33 -04:00
parent f9c1a00b91
commit aecb28a616
1 changed files with 39 additions and 23 deletions
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62
irc/config.go
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@ -55,12 +55,15 @@ type TLSListenConfig struct {
// This is the YAML-deserializable type of the value of the `Server.Listeners` map
type listenerConfigBlock struct {
TLS TLSListenConfig
Proxy bool
Tor bool
STSOnly bool `yaml:"sts-only"`
WebSocket bool
HideSTS bool `yaml:"hide-sts"`
// normal TLS configuration, with a single certificate:
TLS TLSListenConfig
// SNI configuration, with multiple certificates:
TLSCertificates []TLSListenConfig `yaml:"tls-certificates"`
Proxy bool
Tor bool
STSOnly bool `yaml:"sts-only"`
WebSocket bool
HideSTS bool `yaml:"hide-sts"`
}
type HistoryCutoff uint
@ -537,11 +540,10 @@ type Config struct {
passwordBytes []byte
Name string
nameCasefolded string
// Listeners is the new style for configuring listeners:
Listeners map[string]listenerConfigBlock
UnixBindMode os.FileMode `yaml:"unix-bind-mode"`
TorListeners TorListenersConfig `yaml:"tor-listeners"`
WebSockets struct {
Listeners map[string]listenerConfigBlock
UnixBindMode os.FileMode `yaml:"unix-bind-mode"`
TorListeners TorListenersConfig `yaml:"tor-listeners"`
WebSockets struct {
AllowedOrigins []string `yaml:"allowed-origins"`
allowedOriginRegexps []*regexp.Regexp
}
@ -846,13 +848,30 @@ func (conf *Config) Operators(oc map[string]*OperClass) (map[string]*Oper, error
return operators, nil
}
func loadTlsConfig(config TLSListenConfig, webSocket bool) (tlsConfig *tls.Config, err error) {
cert, err := loadCertWithLeaf(config.Cert, config.Key)
if err != nil {
return nil, &CertKeyError{Err: err}
func loadTlsConfig(config listenerConfigBlock) (tlsConfig *tls.Config, err error) {
var certificates []tls.Certificate
if len(config.TLSCertificates) != 0 {
// SNI configuration with multiple certificates
for _, certPairConf := range config.TLSCertificates {
cert, err := loadCertWithLeaf(certPairConf.Cert, certPairConf.Key)
if err != nil {
return nil, err
}
certificates = append(certificates, cert)
}
} else if config.TLS.Cert != "" {
// normal configuration with one certificate
cert, err := loadCertWithLeaf(config.TLS.Cert, config.TLS.Key)
if err != nil {
return nil, err
}
certificates = append(certificates, cert)
} else {
// plaintext!
return nil, nil
}
clientAuth := tls.RequestClientCert
if webSocket {
if config.WebSocket {
// if Chrome receives a server request for a client certificate
// on a websocket connection, it will immediately disconnect:
// https://bugs.chromium.org/p/chromium/issues/detail?id=329884
@ -860,7 +879,7 @@ func loadTlsConfig(config TLSListenConfig, webSocket bool) (tlsConfig *tls.Confi
clientAuth = tls.NoClientCert
}
result := tls.Config{
Certificates: []tls.Certificate{cert},
Certificates: certificates,
ClientAuth: clientAuth,
}
return &result, nil
@ -895,12 +914,9 @@ func (conf *Config) prepareListeners() (err error) {
if lconf.STSOnly && !conf.Server.STS.Enabled {
return fmt.Errorf("%s is configured as a STS-only listener, but STS is disabled", addr)
}
if block.TLS.Cert != "" {
tlsConfig, err := loadTlsConfig(block.TLS, block.WebSocket)
if err != nil {
return err
}
lconf.TLSConfig = tlsConfig
lconf.TLSConfig, err = loadTlsConfig(block)
if err != nil {
return &CertKeyError{Err: err}
}
lconf.RequireProxy = block.TLS.Proxy || block.Proxy
lconf.WebSocket = block.WebSocket