mirror of
https://github.com/DNSCrypt/dnscrypt-proxy.git
synced 2024-12-29 00:30:30 +01:00
Use dlog for everything
This commit is contained in:
Frank Denis
parent
735213f45a
commit
9a3cd91cd7
@ -7,7 +7,7 @@ import (
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"strings"
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"time"
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"github.com/golang/glog"
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"github.com/jedisct1/dlog"
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"github.com/jedisct1/xsecretbox"
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"github.com/miekg/dns"
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"golang.org/x/crypto/ed25519"
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@ -41,15 +41,15 @@ func FetchCurrentCert(proxy *Proxy, proto string, pk ed25519.PublicKey, serverAd
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for _, answerRr := range in.Answer {
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binCert, err := packTxtString(strings.Join(answerRr.(*dns.TXT).Txt, ""))
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if err != nil {
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glog.Warningf("[%v] Unable to unpack the certificate", providerName)
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dlog.Warnf("[%v] Unable to unpack the certificate", providerName)
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continue
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}
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if len(binCert) < 124 {
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glog.Warningf("[%v] Certificate too short", providerName)
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dlog.Warnf("[%v] Certificate too short", providerName)
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continue
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}
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if !bytes.Equal(binCert[:4], CertMagic[:4]) {
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glog.Warningf("[%v] Invalid cert magic", providerName)
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dlog.Warnf("[%v] Invalid cert magic", providerName)
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continue
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}
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cryptoConstruction := CryptoConstruction(0)
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@ -59,36 +59,36 @@ func FetchCurrentCert(proxy *Proxy, proto string, pk ed25519.PublicKey, serverAd
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case 0x0002:
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cryptoConstruction = XChacha20Poly1305
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default:
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glog.Infof("[%v] Unsupported crypto construction", providerName)
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dlog.Infof("[%v] Unsupported crypto construction", providerName)
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continue
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}
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signature := binCert[8:72]
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signed := binCert[72:]
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if !ed25519.Verify(pk, signed, signature) {
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glog.Warningf("[%v] Incorrect signature", providerName)
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dlog.Warnf("[%v] Incorrect signature", providerName)
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continue
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}
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serial := binary.BigEndian.Uint32(binCert[112:116])
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tsBegin := binary.BigEndian.Uint32(binCert[116:120])
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tsEnd := binary.BigEndian.Uint32(binCert[120:124])
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if now > tsEnd || now < tsBegin {
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glog.Infof("[%v] Certificate not valid at the current date", providerName)
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dlog.Infof("[%v] Certificate not valid at the current date", providerName)
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continue
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}
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if serial < highestSerial {
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glog.Infof("[%v] Superseded by a previous certificate", providerName)
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dlog.Infof("[%v] Superseded by a previous certificate", providerName)
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continue
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}
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if serial == highestSerial {
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if cryptoConstruction < certInfo.CryptoConstruction {
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glog.Infof("[%v] Keeping the previous, preferred crypto construction", providerName)
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dlog.Infof("[%v] Keeping the previous, preferred crypto construction", providerName)
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continue
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} else {
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glog.Infof("[%v] Upgrading the construction from %v to %v", providerName, certInfo.CryptoConstruction, cryptoConstruction)
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dlog.Infof("[%v] Upgrading the construction from %v to %v", providerName, certInfo.CryptoConstruction, cryptoConstruction)
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}
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}
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if cryptoConstruction != XChacha20Poly1305 && cryptoConstruction != XSalsa20Poly1305 {
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glog.Warningf("[%v] Cryptographic construction %v not supported", providerName, cryptoConstruction)
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dlog.Warnf("[%v] Cryptographic construction %v not supported", providerName, cryptoConstruction)
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continue
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}
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var serverPk [32]byte
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@ -97,7 +97,7 @@ func FetchCurrentCert(proxy *Proxy, proto string, pk ed25519.PublicKey, serverAd
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if cryptoConstruction == XChacha20Poly1305 {
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sharedKey, err = xsecretbox.SharedKey(proxy.proxySecretKey, serverPk)
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if err != nil {
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glog.Warningf("[%v] Weak public key", providerName)
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dlog.Errorf("[%v] Weak public key", providerName)
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continue
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}
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} else {
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@ -108,7 +108,7 @@ func FetchCurrentCert(proxy *Proxy, proto string, pk ed25519.PublicKey, serverAd
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certInfo.CryptoConstruction = cryptoConstruction
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copy(certInfo.ServerPk[:], serverPk[:])
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copy(certInfo.MagicQuery[:], binCert[104:112])
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glog.Infof("[%v] Valid cert found: [%x]", providerName, certInfo.ServerPk)
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dlog.Noticef("[%v] Valid cert found: [%x]", providerName, certInfo.ServerPk)
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}
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if certInfo.CryptoConstruction == UndefinedConstruction {
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return certInfo, errors.New("No useable certificate found")
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@ -7,7 +7,7 @@ import (
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"time"
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"github.com/BurntSushi/toml"
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"github.com/golang/glog"
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"github.com/jedisct1/dlog"
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)
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type Config struct {
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@ -53,7 +53,6 @@ func ConfigLoad(proxy *Proxy, config_file string) error {
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flag.Parse()
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config := newConfig()
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if _, err := toml.DecodeFile(*configFile, &config); err != nil {
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glog.Error(err)
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return err
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}
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proxy.timeout = time.Duration(config.Timeout) * time.Millisecond
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@ -89,7 +88,7 @@ func ConfigLoad(proxy *Proxy, config_file string) error {
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var stamp ServerStamp
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var err error
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if len(serverConfig.Stamp) > 0 {
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panic("Stamps are not implemented yet")
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dlog.Fatal("Stamps are not implemented yet")
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} else {
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stamp, err = NewServerStampFromLegacy(serverConfig.Address, serverConfig.PublicKey, serverConfig.ProviderName)
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if err != nil {
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@ -5,7 +5,7 @@ import (
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"net"
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"time"
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"github.com/golang/glog"
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"github.com/jedisct1/dlog"
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"golang.org/x/crypto/curve25519"
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)
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@ -29,9 +29,10 @@ type Proxy struct {
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}
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func main() {
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dlog.Init("dnscrypt-proxy", dlog.SeverityNotice)
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proxy := Proxy{}
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if err := ConfigLoad(&proxy, "dnscrypt-proxy.toml"); err != nil {
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panic(err)
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dlog.Fatal(err)
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}
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if proxy.daemonize {
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Daemonize()
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@ -42,7 +43,7 @@ func main() {
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func (proxy *Proxy) StartProxy() {
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proxy.questionSizeEstimator = NewQuestionSizeEstimator()
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if _, err := rand.Read(proxy.proxySecretKey[:]); err != nil {
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glog.Fatal(err)
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dlog.Fatal(err)
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}
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curve25519.ScalarBaseMult(&proxy.proxyPublicKey, &proxy.proxySecretKey)
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for _, registeredServer := range proxy.registeredServers {
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@ -51,19 +52,20 @@ func (proxy *Proxy) StartProxy() {
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for _, listenAddrStr := range proxy.listenAddresses {
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listenUDPAddr, err := net.ResolveUDPAddr("udp", listenAddrStr)
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if err != nil {
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glog.Fatal(err)
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dlog.Fatal(err)
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}
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listenTCPAddr, err := net.ResolveTCPAddr("tcp", listenAddrStr)
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if err != nil {
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glog.Fatal(err)
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dlog.Fatal(err)
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}
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if err := proxy.udpListener(listenUDPAddr); err != nil {
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glog.Fatal(err)
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dlog.Fatal(err)
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}
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if err := proxy.tcpListener(listenTCPAddr); err != nil {
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glog.Fatal(err)
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dlog.Fatal(err)
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}
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}
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dlog.Notice("dnscrypt-proxy is ready")
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for {
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time.Sleep(proxy.certRefreshDelay)
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proxy.serversInfo.refresh(proxy)
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@ -77,7 +79,7 @@ func (proxy *Proxy) udpListener(listenAddr *net.UDPAddr) error {
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}
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go func() {
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defer clientPc.Close()
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glog.Infof("Now listening to %v [UDP]", listenAddr)
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dlog.Noticef("Now listening to %v [UDP]", listenAddr)
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for {
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buffer := make([]byte, MaxDNSPacketSize-1)
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length, clientAddr, err := clientPc.ReadFrom(buffer)
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@ -100,7 +102,7 @@ func (proxy *Proxy) tcpListener(listenAddr *net.TCPAddr) error {
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}
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go func() {
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defer acceptPc.Close()
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glog.Infof("Now listening to %v [TCP]", listenAddr)
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dlog.Noticef("Now listening to %v [TCP]", listenAddr)
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for {
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clientPc, err := acceptPc.Accept()
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if err != nil {
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@ -9,7 +9,7 @@ import (
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"time"
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"github.com/VividCortex/ewma"
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"github.com/golang/glog"
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"github.com/jedisct1/dlog"
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"golang.org/x/crypto/ed25519"
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)
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@ -76,7 +76,7 @@ func (serversInfo *ServersInfo) registerServer(proxy *Proxy, name string, stamp
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}
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func (serversInfo *ServersInfo) refresh(proxy *Proxy) {
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glog.Infof("Refreshing certificates")
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dlog.Infof("Refreshing certificates")
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serversInfo.RLock()
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registeredServers := serversInfo.registeredServers
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serversInfo.RUnlock()
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@ -107,7 +107,7 @@ func (serversInfo *ServersInfo) getOne() *ServerInfo {
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func (serversInfo *ServersInfo) fetchServerInfo(proxy *Proxy, name string, stamp ServerStamp) (ServerInfo, error) {
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serverPk, err := hex.DecodeString(strings.Replace(stamp.serverPkStr, ":", "", -1))
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if err != nil || len(serverPk) != ed25519.PublicKeySize {
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glog.Fatal("Unsupported public key: [%v]", serverPk)
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dlog.Fatalf("Unsupported public key: [%v]", serverPk)
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}
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certInfo, err := FetchCurrentCert(proxy, proxy.mainProto, serverPk, stamp.serverAddrStr, stamp.providerName)
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if err != nil {
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@ -6,6 +6,7 @@ import:
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version: ^1.1.1
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- package: github.com/VividCortex/godaemon
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- package: github.com/hashicorp/golang-lru
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- package: github.com/jedisct1/dlog
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- package: github.com/jedisct1/xsecretbox
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- package: github.com/miekg/dns
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version: ^1.0.3
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