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resolving conflicts

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apim420
Megala 8 years ago
parent 2a5ee6ee47
commit 52462bb620
4 changed files with 35 additions and 55 deletions
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23
src/main/java/org/wso2/carbon/device/mgt/iot/virtualfirealarm/agent/enrollment/EnrollmentManager.java
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@ -129,11 +129,8 @@ public class EnrollmentManager {
public void setEnrollmentStatus() { public void setEnrollmentStatus() {
KeyStore keyStore; KeyStore keyStore;
try { try {
keyStore = KeyStore.getInstance(AgentConstants.DEVICE_KEYSTORE_TYPE); keyStore = KeyStore.getInstance(AgentConstants.DEVICE_KEYSTORE_TYPE);
keyStore.load(new FileInputStream(AgentConstants.DEVICE_KEYSTORE),
AgentConstants.DEVICE_KEYSTORE_PASSWORD.toCharArray());
this.isEnrolled = (keyStore.containsAlias(AgentConstants.DEVICE_CERT_ALIAS) && this.isEnrolled = (keyStore.containsAlias(AgentConstants.DEVICE_CERT_ALIAS) &&
keyStore.containsAlias(AgentConstants.DEVICE_PRIVATE_KEY_ALIAS) && keyStore.containsAlias(AgentConstants.DEVICE_PRIVATE_KEY_ALIAS) &&
@ -146,21 +143,7 @@ public class EnrollmentManager {
log.error(AgentConstants.LOG_APPENDER + e); log.error(AgentConstants.LOG_APPENDER + e);
log.warn(AgentConstants.LOG_APPENDER + "Device will be re-enrolled."); log.warn(AgentConstants.LOG_APPENDER + "Device will be re-enrolled.");
return; return;
} catch (CertificateException | NoSuchAlgorithmException e) {
log.error(AgentConstants.LOG_APPENDER + "An error occurred whilst trying to [load] the device KeyStore '" +
AgentConstants.DEVICE_KEYSTORE + "'.");
log.error(AgentConstants.LOG_APPENDER + e);
log.warn(AgentConstants.LOG_APPENDER + "Device will be re-enrolled.");
return;
} catch (IOException e) {
log.error(AgentConstants.LOG_APPENDER +
"An error occurred whilst trying to load input stream with the keystore file: " +
AgentConstants.DEVICE_KEYSTORE);
log.error(AgentConstants.LOG_APPENDER + e);
log.warn(AgentConstants.LOG_APPENDER + "Device will be re-enrolled.");
return;
} }
try { try {
if (this.isEnrolled) { if (this.isEnrolled) {
this.SCEPCertificate = (X509Certificate) keyStore.getCertificate(AgentConstants.DEVICE_CERT_ALIAS); this.SCEPCertificate = (X509Certificate) keyStore.getCertificate(AgentConstants.DEVICE_CERT_ALIAS);
@ -262,9 +245,6 @@ public class EnrollmentManager {
KeyStore keyStore; KeyStore keyStore;
try { try {
keyStore = KeyStore.getInstance(AgentConstants.DEVICE_KEYSTORE_TYPE); keyStore = KeyStore.getInstance(AgentConstants.DEVICE_KEYSTORE_TYPE);
keyStore.load(new FileInputStream(AgentConstants.DEVICE_KEYSTORE),
AgentConstants.DEVICE_KEYSTORE_PASSWORD.toCharArray());
keyStore.setCertificateEntry(alias, certificate); keyStore.setCertificateEntry(alias, certificate);
keyStore.store(new FileOutputStream(AgentConstants.DEVICE_KEYSTORE), keyStore.store(new FileOutputStream(AgentConstants.DEVICE_KEYSTORE),
AgentConstants.DEVICE_KEYSTORE_PASSWORD.toCharArray()); AgentConstants.DEVICE_KEYSTORE_PASSWORD.toCharArray());
@ -285,9 +265,6 @@ public class EnrollmentManager {
KeyStore keyStore; KeyStore keyStore;
try { try {
keyStore = KeyStore.getInstance(AgentConstants.DEVICE_KEYSTORE_TYPE); keyStore = KeyStore.getInstance(AgentConstants.DEVICE_KEYSTORE_TYPE);
keyStore.load(new FileInputStream(AgentConstants.DEVICE_KEYSTORE),
AgentConstants.DEVICE_KEYSTORE_PASSWORD.toCharArray());
Certificate[] certChain = new Certificate[1]; Certificate[] certChain = new Certificate[1];
certChain[0] = certInCertChain; certChain[0] = certInCertChain;

14
src/main/java/org/wso2/carbon/device/mgt/iot/virtualfirealarm/agent/transport/CommunicationUtils.java
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@ -43,7 +43,7 @@ public class CommunicationUtils {
private static final Log log = LogFactory.getLog(TransportUtils.class); private static final Log log = LogFactory.getLog(TransportUtils.class);
// The Signature Algorithm used. // The Signature Algorithm used.
private static final String SIGNATURE_ALG = "SHA1withRSA"; private static final String SHA_512 = "SHA-512";
// The Encryption Algorithm and the Padding used. // The Encryption Algorithm and the Padding used.
private static final String CIPHER_PADDING = "RSA/ECB/PKCS1Padding"; private static final String CIPHER_PADDING = "RSA/ECB/PKCS1Padding";
@ -107,7 +107,7 @@ public class CommunicationUtils {
String signedEncodedString; String signedEncodedString;
try { try {
signature = Signature.getInstance(SIGNATURE_ALG); signature = Signature.getInstance(SHA_512);
signature.initSign(signatureKey); signature.initSign(signatureKey);
signature.update(Base64.decodeBase64(message)); signature.update(Base64.decodeBase64(message));
@ -116,11 +116,11 @@ public class CommunicationUtils {
} catch (NoSuchAlgorithmException e) { } catch (NoSuchAlgorithmException e) {
String errorMsg = String errorMsg =
"Algorithm not found exception occurred for Signature instance of [" + SIGNATURE_ALG + "]"; "Algorithm not found exception occurred for Signature instance of [" + SHA_512 + "]";
log.error(errorMsg); log.error(errorMsg);
throw new TransportHandlerException(errorMsg, e); throw new TransportHandlerException(errorMsg, e);
} catch (SignatureException e) { } catch (SignatureException e) {
String errorMsg = "Signature exception occurred for Signature instance of [" + SIGNATURE_ALG + "]"; String errorMsg = "Signature exception occurred for Signature instance of [" + SHA_512 + "]";
log.error(errorMsg); log.error(errorMsg);
throw new TransportHandlerException(errorMsg, e); throw new TransportHandlerException(errorMsg, e);
} catch (InvalidKeyException e) { } catch (InvalidKeyException e) {
@ -152,7 +152,7 @@ public class CommunicationUtils {
boolean verified; boolean verified;
try { try {
signature = Signature.getInstance(SIGNATURE_ALG); signature = Signature.getInstance(SHA_512);
signature.initVerify(verificationKey); signature.initVerify(verificationKey);
signature.update(Base64.decodeBase64(data)); signature.update(Base64.decodeBase64(data));
@ -160,11 +160,11 @@ public class CommunicationUtils {
} catch (NoSuchAlgorithmException e) { } catch (NoSuchAlgorithmException e) {
String errorMsg = String errorMsg =
"Algorithm not found exception occurred for Signature instance of [" + SIGNATURE_ALG + "]"; "Algorithm not found exception occurred for Signature instance of [" + SHA_512 + "]";
log.error(errorMsg); log.error(errorMsg);
throw new TransportHandlerException(errorMsg, e); throw new TransportHandlerException(errorMsg, e);
} catch (SignatureException e) { } catch (SignatureException e) {
String errorMsg = "Signature exception occurred for Signature instance of [" + SIGNATURE_ALG + "]"; String errorMsg = "Signature exception occurred for Signature instance of [" + SHA_512 + "]";
log.error(errorMsg); log.error(errorMsg);
throw new TransportHandlerException(errorMsg, e); throw new TransportHandlerException(errorMsg, e);
} catch (InvalidKeyException e) { } catch (InvalidKeyException e) {

39
src/main/java/org/wso2/carbon/device/mgt/iot/virtualfirealarm/agent/transport/TransportUtils.java
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@ -36,6 +36,8 @@ import java.net.ServerSocket;
import java.net.SocketException; import java.net.SocketException;
import java.net.URL; import java.net.URL;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Enumeration; import java.util.Enumeration;
import java.util.HashMap; import java.util.HashMap;
@ -173,27 +175,26 @@ public class TransportUtils {
*/ */
public static synchronized int getAvailablePort(int randomAttempts) { public static synchronized int getAvailablePort(int randomAttempts) {
ArrayList<Integer> failedPorts = new ArrayList<Integer>(randomAttempts); ArrayList<Integer> failedPorts = new ArrayList<Integer>(randomAttempts);
try {
Random randomNum = new Random(); SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
int randomPort = MAX_PORT_NUMBER; int randomPort = MAX_PORT_NUMBER;
while (randomAttempts > 0) {
while (randomAttempts > 0) { randomPort = secureRandom.nextInt(MAX_PORT_NUMBER - MIN_PORT_NUMBER) + MIN_PORT_NUMBER;
randomPort = randomNum.nextInt(MAX_PORT_NUMBER - MIN_PORT_NUMBER) + MIN_PORT_NUMBER; if (checkIfPortAvailable(randomPort)) {
return randomPort;
if (checkIfPortAvailable(randomPort)) { }
return randomPort; failedPorts.add(randomPort);
randomAttempts--;
} }
failedPorts.add(randomPort); randomPort = MAX_PORT_NUMBER;
randomAttempts--; while (true) {
} if (!failedPorts.contains(randomPort) && checkIfPortAvailable(randomPort)) {
return randomPort;
randomPort = MAX_PORT_NUMBER; }
randomPort--;
while (true) {
if (!failedPorts.contains(randomPort) && checkIfPortAvailable(randomPort)) {
return randomPort;
} }
randomPort--; } catch (NoSuchAlgorithmException e) {
throw new RuntimeException("SHA1PRNG algorithm could not be found.");
} }
} }

14
src/main/java/org/wso2/carbon/device/mgt/iot/virtualfirealarm/agent/virtual/VirtualHardwareManager.java
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@ -33,6 +33,8 @@ import javax.sound.sampled.Clip;
import javax.swing.*; import javax.swing.*;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
/** /**
* This class use to emulate virtual hardware functionality * This class use to emulate virtual hardware functionality
@ -174,19 +176,19 @@ public class VirtualHardwareManager {
} }
private int getRandom(int max, int min, int current, boolean isSmoothed, int svf) { private int getRandom(int max, int min, int current, boolean isSmoothed, int svf) {
if (isSmoothed) { if (isSmoothed) {
int offset = (max - min) * svf / 100; int offset = (max - min) * svf / 100;
double mx = current + offset; double mx = current + offset;
max = (mx > max) ? max : (int) Math.round(mx); max = (mx > max) ? max : (int) Math.round(mx);
double mn = current - offset; double mn = current - offset;
min = (mn < min) ? min : (int) Math.round(mn); min = (mn < min) ? min : (int) Math.round(mn);
} }
try {
double rnd = Math.random() * (max - min) + min; SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
return (int) Math.round(rnd); return secureRandom.nextInt(max - min) + min;
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException("SHA1PRNG algorithm could not be found.");
}
} }
private void setAudioSequencer() { private void setAudioSequencer() {

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