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Handle pairing while a pairing attempt is pending

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This commit is contained in:
Cameron Gutman 2016-10-20 00:06:25 -07:00
parent a14a4a8d60
commit ba398e4073
1 changed files with 15 additions and 5 deletions
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20
moonlight-common/src/com/limelight/nvstream/http/PairingManager.java
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@ -35,7 +35,8 @@ public class PairingManager {
NOT_PAIRED, NOT_PAIRED,
PAIRED, PAIRED,
PIN_WRONG, PIN_WRONG,
FAILED FAILED,
ALREADY_IN_PROGRESS
} }
public PairingManager(NvHTTP http, LimelightCryptoProvider cryptoProvider) { public PairingManager(NvHTTP http, LimelightCryptoProvider cryptoProvider) {
@ -69,9 +70,14 @@ public class PairingManager {
private X509Certificate extractPlainCert(String text) throws XmlPullParserException, IOException, CertificateException private X509Certificate extractPlainCert(String text) throws XmlPullParserException, IOException, CertificateException
{ {
String certText = NvHTTP.getXmlString(text, "plaincert"); String certText = NvHTTP.getXmlString(text, "plaincert");
byte[] certBytes = hexToBytes(certText); if (certText != null) {
CertificateFactory cf = CertificateFactory.getInstance("X.509"); byte[] certBytes = hexToBytes(certText);
return (X509Certificate)cf.generateCertificate(new ByteArrayInputStream(certBytes)); CertificateFactory cf = CertificateFactory.getInstance("X.509");
return (X509Certificate)cf.generateCertificate(new ByteArrayInputStream(certBytes));
}
else {
return null;
}
} }
private byte[] generateRandomBytes(int length) private byte[] generateRandomBytes(int length)
@ -184,10 +190,14 @@ public class PairingManager {
bytesToHex(salt)+"&clientcert="+bytesToHex(pemCertBytes), bytesToHex(salt)+"&clientcert="+bytesToHex(pemCertBytes),
false); false);
if (!NvHTTP.getXmlString(getCert, "paired").equals("1")) { if (!NvHTTP.getXmlString(getCert, "paired").equals("1")) {
http.openHttpConnectionToString(http.baseUrlHttp + "/unpair?"+http.buildUniqueIdUuidString(), true);
return PairState.FAILED; return PairState.FAILED;
} }
X509Certificate serverCert = extractPlainCert(getCert); X509Certificate serverCert = extractPlainCert(getCert);
if (serverCert == null) {
// Attempting to pair while another device is pairing will cause GFE
// to give an empty cert in the response.
return PairState.ALREADY_IN_PROGRESS;
}
// Generate a random challenge and encrypt it with our AES key // Generate a random challenge and encrypt it with our AES key
byte[] randomChallenge = generateRandomBytes(16); byte[] randomChallenge = generateRandomBytes(16);