miracle091/dnscrypt-proxy
miracle091/dnscrypt-proxy
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Code Issues Releases Wiki Activity

Improve logging

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This commit is contained in:
Frank Denis 2019-10-20 19:11:54 +02:00
parent 2785cc579e
commit 551ddcf199
2 changed files with 11 additions and 5 deletions
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9
dnscrypt-proxy/dnscrypt_certs.go
View File

@ -33,7 +33,7 @@ func FetchCurrentDNSCryptCert(proxy *Proxy, serverName *string, proto string, pk
}
query := new(dns.Msg)
query.SetQuestion(providerName, dns.TypeTXT)
in, rtt, err := dnsExchange(proxy, proto, query, serverAddress, relayUDPAddr, relayTCPAddr)
in, rtt, err := dnsExchange(proxy, proto, query, serverAddress, relayUDPAddr, relayTCPAddr, serverName)
if err != nil {
dlog.Noticef("[%s] TIMEOUT", *serverName)
return CertInfo{}, 0, err
@ -179,11 +179,14 @@ func packTxtString(s string) ([]byte, error) {
return msg, nil
}
func dnsExchange(proxy *Proxy, proto string, query *dns.Msg, serverAddress string, relayUDPAddr *net.UDPAddr, relayTCPAddr *net.TCPAddr) (*dns.Msg, time.Duration, error) {
func dnsExchange(proxy *Proxy, proto string, query *dns.Msg, serverAddress string, relayUDPAddr *net.UDPAddr, relayTCPAddr *net.TCPAddr, serverName *string) (*dns.Msg, time.Duration, error) {
response, ttl, err := _dnsExchange(proxy, proto, query, serverAddress, relayUDPAddr, relayTCPAddr)
if err != nil && relayUDPAddr != nil {
dlog.Warnf("Unable to get a certificate via relay [%v], retrying over a direct connection", relayUDPAddr.IP)
dlog.Debugf("Unable to get a certificate for [%v] via relay [%v], retrying over a direct connection", *serverName, relayUDPAddr.IP)
response, ttl, err = _dnsExchange(proxy, proto, query, serverAddress, nil, nil)
if err == nil {
dlog.Infof("Direct certificate retrieval for [%v] succeeded", *serverName)
}
}
return response, ttl, err
}

7
dnscrypt-proxy/serversInfo.go
View File

@ -225,7 +225,10 @@ func fetchServerInfo(proxy *Proxy, name string, stamp stamps.ServerStamp, isNew
return ServerInfo{}, errors.New("Unsupported protocol")
}
func route(proxy *Proxy, name string) (*net.UDPAddr, *net.TCPAddr, error) {
func route(proxy *Proxy, name string, stamp *stamps.ServerStamp) (*net.UDPAddr, *net.TCPAddr, error) {
if !strings.HasPrefix(stamp.ProviderName, "2.dnscrypt-cert.") {
return nil, nil, fmt.Errorf("[%v] uses a non-standard provider name - anonymized DNS will not work with this server", name)
}
routes := proxy.routes
if routes == nil {
return nil, nil, nil
@ -293,7 +296,7 @@ func fetchDNSCryptServerInfo(proxy *Proxy, name string, stamp stamps.ServerStamp
dlog.Warnf("Public key [%s] shouldn't be hex-encoded any more", string(stamp.ServerPk))
stamp.ServerPk = serverPk
}
relayUDPAddr, relayTCPAddr, err := route(proxy, name)
relayUDPAddr, relayTCPAddr, err := route(proxy, name, &stamp)
if err != nil {
return ServerInfo{}, err
}