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make session completion work with untrusted devices as well

This commit is contained in:
Daniel Gultsch 2018-05-09 09:24:31 +02:00
parent ffe610f961
commit 18a8a6e5ac
3 changed files with 11 additions and 7 deletions
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2
src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
View File

@ -1437,7 +1437,7 @@ public class AxolotlService implements OnAdvancedStreamFeaturesLoaded {
private void completeSession(XmppAxolotlSession session) {
final XmppAxolotlMessage axolotlMessage = new XmppAxolotlMessage(account.getJid().asBareJid(), getOwnDeviceId());
axolotlMessage.addDevice(session);
axolotlMessage.addDevice(session, true);
try {
Jid jid = Jid.of(session.getRemoteAddress().getName());
MessagePacket packet = mXmppConnectionService.getMessageGenerator().generateKeyTransportMessage(jid, axolotlMessage);

12
src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java
View File

@ -218,16 +218,20 @@ public class XmppAxolotlMessage {
return this.from;
}
public int getSenderDeviceId() {
int getSenderDeviceId() {
return sourceDeviceId;
}
public void addDevice(XmppAxolotlSession session) {
void addDevice(XmppAxolotlSession session) {
addDevice(session, false);
}
void addDevice(XmppAxolotlSession session, boolean ignoreSessionTrust) {
XmppAxolotlSession.AxolotlKey key;
if (authtagPlusInnerKey != null) {
key = session.processSending(authtagPlusInnerKey);
key = session.processSending(authtagPlusInnerKey, ignoreSessionTrust);
} else {
key = session.processSending(innerKey);
key = session.processSending(innerKey, ignoreSessionTrust);
}
if (key != null) {
keys.put(session.getRemoteAddress().getDeviceId(), key);

4
src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java
View File

@ -118,9 +118,9 @@ public class XmppAxolotlSession implements Comparable<XmppAxolotlSession> {
}
@Nullable
public AxolotlKey processSending(@NonNull byte[] outgoingMessage) {
public AxolotlKey processSending(@NonNull byte[] outgoingMessage, boolean ignoreSessionTrust) {
FingerprintStatus status = getTrust();
if (status.isTrustedAndActive()) {
if (ignoreSessionTrust || status.isTrustedAndActive()) {
try {
CiphertextMessage ciphertextMessage = cipher.encrypt(outgoingMessage);
return new AxolotlKey(ciphertextMessage.serialize(),ciphertextMessage.getType() == CiphertextMessage.PREKEY_TYPE);