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authorAndreas Straub <andy@strb.org>2015-08-23 13:23:10 +0200
committerAndreas Straub <andy@strb.org>2015-08-23 13:23:51 +0200
commite1dc7f990db91decbc2375c182febf1935a13148 (patch)
treef3b42387dcd9c8242ca43d61f8db6afb049d7436 /src/main/java/eu/siacs/conversations
parentc0502c2165305a0370bc16f3a847ec2760fe70b9 (diff)
Add error handling to OMEMO PEP code
Log received errors and abort processing
Diffstat (limited to 'src/main/java/eu/siacs/conversations')
-rw-r--r--src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java247
1 files changed, 131 insertions, 116 deletions
diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
index f3775b793..d700b644b 100644
--- a/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
+++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
@@ -307,21 +307,25 @@ public class AxolotlService {
mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account, IqPacket packet) {
- Element item = mXmppConnectionService.getIqParser().getItem(packet);
- Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item);
- if (deviceIds == null) {
- deviceIds = new HashSet<Integer>();
- }
- if (!deviceIds.contains(getOwnDeviceId())) {
- deviceIds.add(getOwnDeviceId());
- IqPacket publish = mXmppConnectionService.getIqGenerator().publishDeviceIds(deviceIds);
- Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Own device " + getOwnDeviceId() + " not in PEP devicelist. Publishing: " + publish);
- mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() {
- @Override
- public void onIqPacketReceived(Account account, IqPacket packet) {
- // TODO: implement this!
- }
- });
+ if (packet.getType() == IqPacket.TYPE.RESULT) {
+ Element item = mXmppConnectionService.getIqParser().getItem(packet);
+ Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item);
+ if (deviceIds == null) {
+ deviceIds = new HashSet<Integer>();
+ }
+ if (!deviceIds.contains(getOwnDeviceId())) {
+ deviceIds.add(getOwnDeviceId());
+ IqPacket publish = mXmppConnectionService.getIqGenerator().publishDeviceIds(deviceIds);
+ Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Own device " + getOwnDeviceId() + " not in PEP devicelist. Publishing: " + publish);
+ mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ // TODO: implement this!
+ }
+ });
+ }
+ } else {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Error received while publishing device ID:" + packet.findChild("error"));
}
}
});
@@ -332,88 +336,92 @@ public class AxolotlService {
mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account, IqPacket packet) {
- PreKeyBundle bundle = mXmppConnectionService.getIqParser().bundle(packet);
- Map<Integer, ECPublicKey> keys = mXmppConnectionService.getIqParser().preKeyPublics(packet);
- boolean flush = false;
- if (bundle == null) {
- Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received invalid bundle:" + packet);
- bundle = new PreKeyBundle(-1, -1, -1, null, -1, null, null, null);
- flush = true;
- }
- if (keys == null) {
- Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received invalid prekeys:" + packet);
- }
- try {
- boolean changed = false;
- // Validate IdentityKey
- IdentityKeyPair identityKeyPair = axolotlStore.getIdentityKeyPair();
- if (flush || !identityKeyPair.getPublicKey().equals(bundle.getIdentityKey())) {
- Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding own IdentityKey " + identityKeyPair.getPublicKey() + " to PEP.");
- changed = true;
+ if (packet.getType() == IqPacket.TYPE.RESULT) {
+ PreKeyBundle bundle = mXmppConnectionService.getIqParser().bundle(packet);
+ Map<Integer, ECPublicKey> keys = mXmppConnectionService.getIqParser().preKeyPublics(packet);
+ boolean flush = false;
+ if (bundle == null) {
+ Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received invalid bundle:" + packet);
+ bundle = new PreKeyBundle(-1, -1, -1, null, -1, null, null, null);
+ flush = true;
+ }
+ if (keys == null) {
+ Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received invalid prekeys:" + packet);
}
-
- // Validate signedPreKeyRecord + ID
- SignedPreKeyRecord signedPreKeyRecord;
- int numSignedPreKeys = axolotlStore.loadSignedPreKeys().size();
try {
- signedPreKeyRecord = axolotlStore.loadSignedPreKey(bundle.getSignedPreKeyId());
- if (flush
- || !bundle.getSignedPreKey().equals(signedPreKeyRecord.getKeyPair().getPublicKey())
- || !Arrays.equals(bundle.getSignedPreKeySignature(), signedPreKeyRecord.getSignature())) {
+ boolean changed = false;
+ // Validate IdentityKey
+ IdentityKeyPair identityKeyPair = axolotlStore.getIdentityKeyPair();
+ if (flush || !identityKeyPair.getPublicKey().equals(bundle.getIdentityKey())) {
+ Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding own IdentityKey " + identityKeyPair.getPublicKey() + " to PEP.");
+ changed = true;
+ }
+
+ // Validate signedPreKeyRecord + ID
+ SignedPreKeyRecord signedPreKeyRecord;
+ int numSignedPreKeys = axolotlStore.loadSignedPreKeys().size();
+ try {
+ signedPreKeyRecord = axolotlStore.loadSignedPreKey(bundle.getSignedPreKeyId());
+ if (flush
+ || !bundle.getSignedPreKey().equals(signedPreKeyRecord.getKeyPair().getPublicKey())
+ || !Arrays.equals(bundle.getSignedPreKeySignature(), signedPreKeyRecord.getSignature())) {
+ Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding new signedPreKey with ID " + (numSignedPreKeys + 1) + " to PEP.");
+ signedPreKeyRecord = KeyHelper.generateSignedPreKey(identityKeyPair, numSignedPreKeys + 1);
+ axolotlStore.storeSignedPreKey(signedPreKeyRecord.getId(), signedPreKeyRecord);
+ changed = true;
+ }
+ } catch (InvalidKeyIdException e) {
Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding new signedPreKey with ID " + (numSignedPreKeys + 1) + " to PEP.");
signedPreKeyRecord = KeyHelper.generateSignedPreKey(identityKeyPair, numSignedPreKeys + 1);
axolotlStore.storeSignedPreKey(signedPreKeyRecord.getId(), signedPreKeyRecord);
changed = true;
}
- } catch (InvalidKeyIdException e) {
- Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding new signedPreKey with ID " + (numSignedPreKeys + 1) + " to PEP.");
- signedPreKeyRecord = KeyHelper.generateSignedPreKey(identityKeyPair, numSignedPreKeys + 1);
- axolotlStore.storeSignedPreKey(signedPreKeyRecord.getId(), signedPreKeyRecord);
- changed = true;
- }
- // Validate PreKeys
- Set<PreKeyRecord> preKeyRecords = new HashSet<>();
- if (keys != null) {
- for (Integer id : keys.keySet()) {
- try {
- PreKeyRecord preKeyRecord = axolotlStore.loadPreKey(id);
- if (preKeyRecord.getKeyPair().getPublicKey().equals(keys.get(id))) {
- preKeyRecords.add(preKeyRecord);
+ // Validate PreKeys
+ Set<PreKeyRecord> preKeyRecords = new HashSet<>();
+ if (keys != null) {
+ for (Integer id : keys.keySet()) {
+ try {
+ PreKeyRecord preKeyRecord = axolotlStore.loadPreKey(id);
+ if (preKeyRecord.getKeyPair().getPublicKey().equals(keys.get(id))) {
+ preKeyRecords.add(preKeyRecord);
+ }
+ } catch (InvalidKeyIdException ignored) {
}
- } catch (InvalidKeyIdException ignored) {
}
}
- }
- int newKeys = NUM_KEYS_TO_PUBLISH - preKeyRecords.size();
- if (newKeys > 0) {
- List<PreKeyRecord> newRecords = KeyHelper.generatePreKeys(
- axolotlStore.getCurrentPreKeyId() + 1, newKeys);
- preKeyRecords.addAll(newRecords);
- for (PreKeyRecord record : newRecords) {
- axolotlStore.storePreKey(record.getId(), record);
+ int newKeys = NUM_KEYS_TO_PUBLISH - preKeyRecords.size();
+ if (newKeys > 0) {
+ List<PreKeyRecord> newRecords = KeyHelper.generatePreKeys(
+ axolotlStore.getCurrentPreKeyId() + 1, newKeys);
+ preKeyRecords.addAll(newRecords);
+ for (PreKeyRecord record : newRecords) {
+ axolotlStore.storePreKey(record.getId(), record);
+ }
+ changed = true;
+ Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding " + newKeys + " new preKeys to PEP.");
}
- changed = true;
- Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Adding " + newKeys + " new preKeys to PEP.");
- }
- if (changed) {
- IqPacket publish = mXmppConnectionService.getIqGenerator().publishBundles(
- signedPreKeyRecord, axolotlStore.getIdentityKeyPair().getPublicKey(),
- preKeyRecords, getOwnDeviceId());
- Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + ": Bundle " + getOwnDeviceId() + " in PEP not current. Publishing: " + publish);
- mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() {
- @Override
- public void onIqPacketReceived(Account account, IqPacket packet) {
- // TODO: implement this!
- Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Published bundle, got: " + packet);
- }
- });
+ if (changed) {
+ IqPacket publish = mXmppConnectionService.getIqGenerator().publishBundles(
+ signedPreKeyRecord, axolotlStore.getIdentityKeyPair().getPublicKey(),
+ preKeyRecords, getOwnDeviceId());
+ Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + ": Bundle " + getOwnDeviceId() + " in PEP not current. Publishing: " + publish);
+ mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ // TODO: implement this!
+ Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Published bundle, got: " + packet);
+ }
+ });
+ }
+ } catch (InvalidKeyException e) {
+ Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Failed to publish bundle " + getOwnDeviceId() + ", reason: " + e.getMessage());
+ return;
}
- } catch (InvalidKeyException e) {
- Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Failed to publish bundle " + getOwnDeviceId() + ", reason: " + e.getMessage());
- return;
+ } else {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Error received while publishing Bundle:" + packet.findChild("error"));
}
}
});
@@ -453,45 +461,52 @@ public class AxolotlService {
@Override
public void onIqPacketReceived(Account account, IqPacket packet) {
- Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received preKey IQ packet, processing...");
- final IqParser parser = mXmppConnectionService.getIqParser();
- final List<PreKeyBundle> preKeyBundleList = parser.preKeys(packet);
- final PreKeyBundle bundle = parser.bundle(packet);
- if (preKeyBundleList.isEmpty() || bundle == null) {
- Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "preKey IQ packet invalid: " + packet);
- fetchStatusMap.put(address, FetchStatus.ERROR);
+ if (packet.getType() == IqPacket.TYPE.RESULT) {
+ Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Received preKey IQ packet, processing...");
+ final IqParser parser = mXmppConnectionService.getIqParser();
+ final List<PreKeyBundle> preKeyBundleList = parser.preKeys(packet);
+ final PreKeyBundle bundle = parser.bundle(packet);
+ if (preKeyBundleList.isEmpty() || bundle == null) {
+ Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "preKey IQ packet invalid: " + packet);
+ fetchStatusMap.put(address, FetchStatus.ERROR);
+ finish();
+ return;
+ }
+ Random random = new Random();
+ final PreKeyBundle preKey = preKeyBundleList.get(random.nextInt(preKeyBundleList.size()));
+ if (preKey == null) {
+ //should never happen
+ fetchStatusMap.put(address, FetchStatus.ERROR);
+ finish();
+ return;
+ }
+
+ final PreKeyBundle preKeyBundle = new PreKeyBundle(0, address.getDeviceId(),
+ preKey.getPreKeyId(), preKey.getPreKey(),
+ bundle.getSignedPreKeyId(), bundle.getSignedPreKey(),
+ bundle.getSignedPreKeySignature(), bundle.getIdentityKey());
+
+ axolotlStore.saveIdentity(address.getName(), bundle.getIdentityKey());
+
+ try {
+ SessionBuilder builder = new SessionBuilder(axolotlStore, address);
+ builder.process(preKeyBundle);
+ XmppAxolotlSession session = new XmppAxolotlSession(account, axolotlStore, address, bundle.getIdentityKey().getFingerprint().replaceAll("\\s", ""));
+ sessions.put(address, session);
+ fetchStatusMap.put(address, FetchStatus.SUCCESS);
+ } catch (UntrustedIdentityException | InvalidKeyException e) {
+ Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Error building session for " + address + ": "
+ + e.getClass().getName() + ", " + e.getMessage());
+ fetchStatusMap.put(address, FetchStatus.ERROR);
+ }
+
finish();
- return;
- }
- Random random = new Random();
- final PreKeyBundle preKey = preKeyBundleList.get(random.nextInt(preKeyBundleList.size()));
- if (preKey == null) {
- //should never happen
+ } else {
fetchStatusMap.put(address, FetchStatus.ERROR);
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Error received while building session:" + packet.findChild("error"));
finish();
return;
}
-
- final PreKeyBundle preKeyBundle = new PreKeyBundle(0, address.getDeviceId(),
- preKey.getPreKeyId(), preKey.getPreKey(),
- bundle.getSignedPreKeyId(), bundle.getSignedPreKey(),
- bundle.getSignedPreKeySignature(), bundle.getIdentityKey());
-
- axolotlStore.saveIdentity(address.getName(), bundle.getIdentityKey());
-
- try {
- SessionBuilder builder = new SessionBuilder(axolotlStore, address);
- builder.process(preKeyBundle);
- XmppAxolotlSession session = new XmppAxolotlSession(account, axolotlStore, address, bundle.getIdentityKey().getFingerprint().replaceAll("\\s", ""));
- sessions.put(address, session);
- fetchStatusMap.put(address, FetchStatus.SUCCESS);
- } catch (UntrustedIdentityException | InvalidKeyException e) {
- Log.e(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Error building session for " + address + ": "
- + e.getClass().getName() + ", " + e.getMessage());
- fetchStatusMap.put(address, FetchStatus.ERROR);
- }
-
- finish();
}
});
} catch (InvalidJidException e) {